RTR-INTERVIEW1.ppt

INT

INTERVERVIEW IEW TOPICS TOPICS : : REGUREGULALATTIONS IONS ANDAND

PROCEDURE

PROCEDURE

•• ITU, ITU, WPC, WPC, ICAO, ICAO, DGCA, DGCA, AAIAAI

•• LICENSING LICENSING AND AND MINIMUM MINIMUM EQUIPMENT EQUIPMENT TO TO BE BE CARRIECARRIEDD REQUIREMENTS

REQUIREMENTS

•• Q Q CODES, CODES, PHONETICS, PHONETICS, PHRASESPHRASES

•• TELECOTELECOMMUNICATMMUNICATION ION SERVSERVICES, ICES, TYPES TYPES OF OF MESSAGESMESSAGES PRIORITY

PRIORITY AND DESAND DESIGNAIGNATIONTION

•• GENERAL GENERAL RADIO RADIO COMMUNICATCOMMUNICATION ION PROCEDURPROCEDURE, E, DISTRESSDISTRESS,, URGENCY COMMUNICATION, MERITIME MOBILE, HF NETWORK,

URGENCY COMMUNICATION, MERITIME MOBILE, HF NETWORK, ACTION IN CASE OF COMMUNICATION FAILURE

ACTION IN CASE OF COMMUNICATION FAILURE

•• DEFINITION DEFINITION IN IN AIPAIP, , ANNEX ANNEX 2, 2, ANNEX ANNEX 10 10 , , ANNEX ANNEX 11, 11, DOC DOC  AND RELEVANT CAR!S, RULES OF AIR "COMPLETE#

AND RELEVANT CAR!S, RULES OF AIR "COMPLETE#

•• AERONAUTICAERONAUTICAL AL INFORMATINFORMATION ION SERVSERVICE, ICE, AIPAIP, , AIRAC, AIRAC, AIC,AIC,  NOT

INTERV

INTERVIEW IEW TOPICS TOPICS : : TECHNICALTECHNICAL

•• BASIC BASIC ELECTRELECTRICITY, ICITY, OHM!S OHM!S LAWLAW, , DEFINITION DEFINITION OF OF CURRENT,CURRENT, VOLT, VARIOUS UNITS ETC$, WORKING OF MOTOR, GENERATOR,

VOLT, VARIOUS UNITS ETC$, WORKING OF MOTOR, GENERATOR, TRANSFORMER ETC

TRANSFORMER ETC

•• BASIC BASIC RADIO RADIO THEORYTHEORY, , SPECTRSPECTRUM, UM, FREQUENCY%FREQUENCY% W

WAAVVELEELENGTH, NGTH, PROPOPROPOGATGATION ION OF OF WWAAVVES, ES, POLAPOLARI&RI&ATATION,ION, MODULATION

MODULATION

•• TELE TELE COMMUNICATCOMMUNICATION ION EQUIPMENT, EQUIPMENT, TRANSRECIETRANSRECIEVER,VER, ANTENNAE, FREQUENCIES, RANGE, POWER USED

ANTENNAE, FREQUENCIES, RANGE, POWER USED

•• NANAV V AIDS, AIDS, WORKING WORKING PRINCIPLPRINCIPLE, E, FREQUENCIFREQUENCIES,ES, ERRPRS'LIMITATIONS,

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RTR "A# AND RTG

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RTR "A# AND RTG

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W P C : W-+*/*55 P/((-(< (3 C..+3-()-.( W-(<

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W P C : E-()-.(

W P C : E-()-.(

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ICAO: I()*+()-.(/ C-6-/ A6-)-.( O+<(-=)-.(

ICAO: I()*+()-.(/ C-6-/ A6-)-.( O+<(-=)-.(

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ICAO: A

ICAO: A

+)-/*

+)-/*





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ICAO: A

ICAO: A

+)-/*

+)-/*

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7

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ICAO: A((**5

ICAO: A((**5

A((* A((* 1 1 P*+5.((*/ P*+5.((*/ L-*(5-(<L-*(5-(< A A((((**  22 RR//**5 5 ..? ? ))>>* * AA--+  +   A A((((**   MM**) ) SS**++66--**55 A((*

A((*   A*+.()-/ A*+.()-/ C>+)5C>+)5 A

A((((**  ;; UU((--))5 5 ..? ? **55++****(())5 5 55**3 3 --( ( AA--+ + ((3 3 GG++..((3 3 OO55 A

A((((**   OO**++))--..( ( ..? ? AA--++++??)) P+)

P+) I I I() I() C.*+-/ C.*+-/ AA-+ -+ T+T+(5.+) (5.+)   A*+./(*A*+./(* P+) II I() G*(*+/ A6-)-.(  A*+./(*

P+) II I() G*(*+/ A6-)-.(  A*+./(* P+) III I()*+()-.(/ O5  H*/-.)*+5 P+) III I()*+()-.(/ O5  H*/-.)*+5 A((*

A((* 7 7 A-++?) A-++?) ()-.(/-)8 ()-.(/-)8 (3 (3 I3*()-?-)-.( I3*()-?-)-.( + +  A

ICAO: A((**5

ICAO: A((**5

A A((((**   FF--//--))))--..(( A A((((**  1100 AA**++..(())--/ / TT**//**..((--))--..((55 V

V../ / I I RADRADIO IO NAVNAVIGATIGATIOION N AIDSAIDS V

V../ / II II COMMCOMMUNICUNICAATTION ION PROCPROCEDUREDUREE V./ III COMMUNICATION SYSTEM

V./ III COMMUNICATION SYSTEM V./ IV SURVEILLANCE RADAR AND V./ IV SURVEILLANCE RADAR AND COLLISION

COLLISION AAVVOIDENCE OIDENCE SYSTEMSYSTEM V

V../ V/ V FREFREQUQUENCENCY SY SPECPECTRUTRUM UTILIM UTILI&A&ATTIONION A A((((**  1111 AA--+ + TT++????--  SS**++66--**55 A A((((**  1122 SS**++> > ((3 3 RR**55** A A((((** 1 1 AA--++++??) ) AA--33**(() -) -((66**55))--<<))--..(( A A((((**  11 AA**++..33++..**55 V

ICAO: A((**5

ICAO: A((**5

A((*

A((* 1; 1; A*+.()-/ A*+.()-/ I(?.+)-.( I(?.+)-.( S*+6-*5S*+6-*5 A A((((** 1 1 PP++..))**))--..( ( VV../ I / I NN..--55**, , VV../ I/ II I EE--5555--..(( A((* A((* 17 17 S*+-)8S*+-)8 A A((((** 1 199 SS??* * TT++((55..++) .) .? D? D((<<**++..5 G5 G....335 @5 @8 8 AA--+ + 

DGCA

DGCA

H*34+)*+5: H*34+)*+5: N* D*/>-N* D*/>-DTL DTL FID FID MED MED EXAMINATION EXAMINATION

A-+.+) A)>.+-)8 .? I(3-

A-+.+) A)>.+-)8 .? I(3-

•• H*34+)*+5: H*34+)*+5: N* DN* D*/>- "NAA */>- "NAA (3 IAAI#(3 IAAI#

•• E5)@/-5>*3 .( E5)@/-5>*3 .( 01 ( 19 01 ( 19 (3*+ NAA (3*+ NAA ) 19;) 19;

•• R*5.(5-@/* R*5.(5-@/* ?.+ /?.+ // 3./ 3.*5)-5 *5)-5 -+?-*/35, -+?-*/35, -6-/ -6-/ *(/6*5,*(/6*5, *+.()-/ . *+.()-/ .(-)-.( 5))-.(5 (3 -+ (-)-.( 5))-.(5 (3 -+ +.)* (3 -++.)* (3 -+ 5*$ 5*$ •• P+.6-3*5 P+.6-3*5 .(-.(-)-.( )-.( 585)*, 585)*, N6-<)-.(/ N6-<)-.(/ -35,-35, /(3-(< -35, +3+5, /(3-(< -35, +3+5, VV-5/ -35, 5?*)8 5*+6-*5 -5/ -35, 5?*)8 5*+6-*5 *)$*)$ •• S*+> S*+> (3 (3 R*5*$R*5*$

L-*(5-(< R*4-+**() .? I(5)//)-.( (3

L-*(5-(< R*4-+**() .? I(5)//)-.( (3

O*+)-.( .? R3-. -( A-++?)

O*+)-.( .? R3-. -( A-++?)

•• M(3).+8 M(3).+8 ?.+ ?.+ IFR IFR (3 (3 N-<>) N-<>) O5$O5$

E4-*() 5>// @* @/* .? .(3)-(< T. 8 E4-*() 5>// @* @/* .? .(3)-(< T. 8 .(- .(-)-.( -)> *+.()-/ 5))-.( )-.( -)> *+.()-/ 5))-.( .(.(  +*5+-@*3 ?+*4*(8  +*5+-@*3 ?+*4*(8$$ I( 5* ). 5*+)* 585)*5 +* +*4-+*3 )>*8 I( 5* ). 5*+)* 585)*5 +* +*4-+*3 )>*8 >6*>6* ). @* -(3**(3*()$ F-/+* .? .(* *4-*() 5>./3 ). @* -(3**(3*()$ F-/+* .? .(* *4-*() 5>./3 (.) ??*) )>* .)>*+$ (.) ??*) )>* .)>*+$ •• F.+ VF.+ VFR **FR **)-.( )-.( 8 @8 @* <-6*( * <-6*( @8 +.+-)*@8 +.+-)* )>.+-)8$ )>.+-)8$

 N6-<)-.(/ E

 N6-<)-.(/ E

4-*()

4-*()

A( A A( A*+./(* 5>// @* *+./(* 5>// @* +.6-3*3 -)> (6-<)-.( +.6-3*3 -)> (6-<)-.( *4-*()*4-*() >-> -// *(@/* -) ). >-> -// *(@/* -) ). +.**3+.**3 "# "# I( I( .+3(* .+3(* -)> -)> )>* )>* ?/-<>) ?/-<>) /(/( ""@@## II( ( ..++33((* * --))> )> )>>* +* +**44--+*+***(())5 .5 .? ? AA--++ T+??- S*+6-*5 T+??- S*+6-*5 E*) >*(, -? (.) 5. +*/3*3 @8 )>* +.+-)* E*) >*(, -? (.) 5. +*/3*3 @8 )>* +.+-)* )>.+-)8, N6-<)-.( ?.+ ?/-<>) (3*+ VFR -5 ./-5>*3 )>.+-)8, N6-<)-.( ?.+ ?/-<>) (3*+ VFR -5 ./-5>*3  @8 6-5/ +*?*+*(* ). /  @8 6-5/ +*?*+*(* ). /(3 +5 ) /*5) *(3 +5 ) /*5) *6*+8 0 NM$6*+8 0 NM$

 N6-<)-.(/ E

 N6-<)-.(/ E

4-*()

4-*()

A( A A( A*+./(* 5>// @* *+./(* 5>// @* +.6-3*3 -)> (6-<)-.( +.6-3*3 -)> (6-<)-.( *4-*()*4-*() >-> -// *(@/* -) ). >-> -// *(@/* -) ). +.**3+.**3 "# "# I( I( .+3(* .+3(* -)> -)> )>* )>* ?/-<>) ?/-<>) /(/( ""@@## II( ( ..++33((* * --))> )> )>>* +* +**44--+*+***(())5 .5 .? ? AA--++ T+??- S*+6-*5 T+??- S*+6-*5 E*) >*(, -? (.) 5. +*/3*3 @8 )>* +.+-)* E*) >*(, -? (.) 5. +*/3*3 @8 )>* +.+-)* )>.+-)8, N6-<)-.( ?.+ ?/-<>) (3*+ VFR -5 ./-5>*3 )>.+-)8, N6-<)-.( ?.+ ?/-<>) (3*+ VFR -5 ./-5>*3  @8 6-5/ +*?*+*(* ). /  @8 6-5/ +*?*+*(* ). /(3 +5 ) /*5) *(3 +5 ) /*5) *6*+8 0 NM$6*+8 0 NM$

 N6-<)-.(/ E

 N6-<)-.(/ E

4-*()

4-*()

O( ?/-<>) >-> -5 -()*(3*3 ). /(3 -( I O( ?/-<>) >-> -5 -()*(3*3 ). /(3 -( IMC, (MC, ( A*+./(* 5>// @* +.6-3*3 A*+./(* 5>// @* +.6-3*3 -)> *4-*() @/* .?-)> *4-*() @/* .? +**-6-(< 5-<(/5 +.6-3-(< <-3(* ).  .-() ?+. >-> +**-6-(< 5-<(/5 +.6-3-(< <-3(* ).  .-() ?+. >->  6-5/ /(3-(< (  6-5/ /(3-(< ( @* *??*)*3$@* *??*)*3$ T>-5 *4-*() 5>// @* @/* .? +.6-3-(< 5> T>-5 *4-*() 5>// @* @/* .? +.6-3-(< 5> <-3(* ?.+ *> *+.3+.* .? -()*(3*3 /(3-(< -( IMC <-3(* ?.+ *> *+.3+.* .? -()*(3*3 /(3-(< -( IMC (3 3*5-<()*3 /)*+()*$ (3 3*5-<()*3 /)*+()*$

M-(- R*4-+**() O? R3-. E4-*()

M-(- R*4-+**() O? R3-. E4-*()

DGCA

DGCA +*5+-@*5 (3 +*5+-@*5 (3 +./<)*5 )>* ?.//.-(< ?.++./<)*5 )>* ?.//.-(< ?.+ A-++?) +*<-5)*+*3 -( I(3-

A-++?) +*<-5)*+*3 -( I(3- >6-(< A>6-(< AUW .? ;700 K< UW .? ;700 K< .+.+ .+* .+* "# "# R3-. R3-. C.(-C.(-)-.( )-.( *4-*() *4-*() @/* @/* .? .?  "-# "-# C.(3)-(< C.(3)-(< R3-. R3-. C.(-C.(-)-.( )-.( ?.+?.+ *+.3+.* .()+./ +.5*5$ *+.3+.* .()+./ +.5*5$ "--# "--# R**-6-(< R**-6-(< M*) M*) -(?.+)-.( -(?.+)-.( ) ) (8)-* (8)-* 3+-(<3+-(< ?/-<>)$ ?/-<>)$ "---# "---# C.(3)-(< C.(3)-(< ). ). 8 8 .(-.(-)-.( )-.( ) ) (8(8 )-* 3+-(< ?/-<>) -)> ) /*5) .(* *+.()-/ 5))-.( (3 )-* 3+-(< ?/-<>) -)> ) /*5) .(* *+.()-/ 5))-.( (3 -)> 5> .)>*+ 5))-.(5 .( F+*4*(-*5 5 +*5+-@*3 @8 -)> 5> .)>*+ 5))-.(5 .( F+*4*(-*5 5 +*5+-@*3 @8 )>* DGCA$ )>* DGCA$

M-(- R*4-+**() O? R3-. E4-*()

M-(- R*4-+**() O? R3-. E4-*()

DGCA

DGCA +*5+-@*5 (3 +*5+-@*5 (3 +./<)*5 )>* ?.//.-(< ?.++./<)*5 )>* ?.//.-(< ?.+ A-++?) +*<-5)*+*3 -( I(3-

A-++?) +*<-5)*+*3 -( I(3- >6-(< A>6-(< AUW .? ;700 K< UW .? ;700 K< .+.+ .+* .+* "# "# R3-. R3-. C.(-C.(-)-.( )-.( *4-*() *4-*() @/* @/* .? .?  "-# "-# C.(3)-(< C.(3)-(< R3-. R3-. C.(-C.(-)-.( )-.( ?.+?.+ *+.3+.* .()+./ +.5*5$ *+.3+.* .()+./ +.5*5$ "--# "--# R**-6-(< R**-6-(< M*) M*) -(?.+)-.( -(?.+)-.( ) ) (8)-* (8)-* 3+-(<3+-(< ?/-<>)$ ?/-<>)$ "---# "---# C.(3)-(< C.(3)-(< ). ). 8 8 .(-.(-)-.( )-.( ) ) (8(8 )-* 3+-(< ?/-<>) -)> ) /*5) .(* *+.()-/ 5))-.( (3 )-* 3+-(< ?/-<>) -)> ) /*5) .(* *+.()-/ 5))-.( (3 -)> 5> .)>*+ 5))-.(5 .( F+*4*(-*5 5 +*5+-@*3 @8 -)> 5> .)>*+ 5))-.(5 .( F+*4*(-*5 5 +*5+-@*3 @8 )>* DGCA$ )>* DGCA$

M-(- R*4-+**() O? R3-. E4-*()

M-(- R*4-+**() O? R3-. E4-*()

A-++?) +*<-5)*+*3 -( I(3-

A-++?) +*<-5)*+*3 -( I(3- >6-(< A>6-(< AUW .? /*55 )>(UW .? /*55 )>( ;700 K< 5>//, ?.+ ?/-<>) .(3)*3 (3*+ IFR ;700 K< 5>//, ?.+ ?/-<>) .(3)*3 (3*+ IFR -)> -(-)> -( .()+.//*3 -+5* @* +.6-3*3 -)> .()+.//*3 -+5* @* +.6-3*3 -)> +3-. .(-)-.(+3-. .(-)-.( *4-*() @/* .? -()-(-(< .()-(.5 /-5)*(-(< *4-*() @/* .? -()-(-(< .()-(.5 /-5)*(-(< )> .( )>* +.+-)* ?+*4*(8 (3 .(3)-(< ). )> .( )>* +.+-)* ?+*4*(8 (3 .(3)-(< ). 8 .(-)-.( -)> +.+-)* -+ 8 .(-)-.( -)> +.+-)* -+ )+??- 5*+6-*5)+??- 5*+6-*5 (-)5$ (-)5$ A-++?) +*<-5)*+*3 -( I(3-

A-++?) +*<-5)*+*3 -( I(3- >6-(< A>6-(< AUW .? /*55 )>(UW .? /*55 )>( 1;00 K< 8 @* 1;00 K< 8 @* ?/.( -)>.) ./8-(< )>-5 +*4-+**()?/.( -)>.) ./8-(< )>-5 +*4-+**() 5 /.(< 5 -) +*-(5 @*/. /.3 (3 -)> -( 5 /.(< 5 -) +*-(5 @*/. /.3 (3 -)> -( 5-<>) .? )>*5-<>) .? )>* <+.(3 ) // )-*5 3+-(< )>* ?/-<>) **) -)> -( <+.(3 ) // )-*5 3+-(< )>* ?/-<>) **) -)> -( .()+./.()+./ =.(* .? M@- A

L-*(5-(< R*4-+**() O? R3-.

L-*(5-(< R*4-+**() O? R3-.

E4-*()

E4-*()

T>* *4-*() -(5)//*3 5>// T>* *4-*() -(5)//*3 5>// "# "# @* @* .? .? )>* )>* )8* )8* +.6*3 +.6*3 @8 @8 )>* )>* DGCADGCA "@# "@# @* @* -(5)//*3 -(5)//*3 (3 (3 .*+)*3 .*+)*3 -)> -)>   /-*(5* /-*(5* (3*+ (3*+ I(3-(I(3-( T*/*<+> A) .? 199; (3 +/*5 3* )>*+* (3*+ -(  T*/*<+> A) .? 199; (3 +/*5 3* )>*+* (3*+ -(  ((*+ +.6*3 @8 )>* ((*+ +.6*3 @8 )>* DGCA$DGCA$ "# "# @* @* -()-(*3 -()-(*3 ) ) // // )-*5 )-*5 -( -( <..3 <..3 .+3*+ .+3*+ (3(3 .(3-)-.($ .(3-)-.($ "3# "3# @* @* .*+)*3 .*+)*3 .(/8 .(/8 @8 @8   *+5.( *+5.( >. >. >./35 >./35 (( +.+-)* 6/-3 /-*(5* -55*3 DGCA$ +.+-)* 6/-3 /-*(5* -55*3 DGCA$ "*# "*# (.) (.) @* @* .*+)*3 .*+)*3 -( -( ?/-<>) ?/-<>) (/*55 (/*55 -) -) >5 >5 @**( @**( -(5*)*3-(5*)*3 (3 *+)-?-*3 5 @*-(< -( +.*+ .+-(< .(3-)-.( @8 (3 *+)-?-*3 5 @*-(< -( +.*+ .+-(< .(3-)-.( @8   *+5.( )>.+-=*3 @8 )>* DG  *+5.( )>.+-=*3 @8 )>* DG

M-(- R*4-+**() O? R3-. E4-*()

M-(- R*4-+**() O? R3-. E4-*()

T>* -++?) *4-*3 -)> +3-. T>* -++?) *4-*3 -)> +3-. *4-*() 5>// (.)*4-*() 5>// (.)  @* ?/.( **)  @* ?/.( **) -( 5* .? )*5) ?/-<>) -( 5* .? )*5) ?/-<>) (/*55 PIC -5 5)-5?-*3(/*55 PIC -5 5)-5?-*3 >-5*/? +-.+ ). )>* ?/-<>) )>) )>* +3-. *4-*() -(5)//*3 >-5*/? +-.+ ). )>* ?/-<>) )>) )>* +3-. *4-*() -(5)//*3 -5 -( .+3(* -)> )>*5* +*</)-.(5 (3 >5 @**( -5 -( .+3(* -)> )>*5* +*</)-.(5 (3 >5 @**( -(5*)*3 -(5*)*3 (3 (3 *+)-?-*3 *+)-?-*3 -)>-( -)>-( +**3-(< +**3-(< 2 2 H+5$H+5$ I? @5*() ?+. @5* ?.+ /.(<*+ I? @5*() ?+. @5* ?.+ /.(<*+ )>( 2 H+5 *4-*())>( 2 H+5 *4-*() 8 @* 5*3 -? PIC -5 5 8 @* 5*3 -? PIC -5 5)-5?-*3 )>) *4-*() -5)-5?-*3 )>) *4-*() -5 ?()-.(-(< ?()-.(-(< (.+//8(.+//8$$

M-(- R*4-+**() O? R3-. E4-*()

M-(- R*4-+**() O? R3-. E4-*()

F.+ A

F.+ A

-++?) R*<-5)*+*3

-++?) R*<-5)*+*3

O)5-3* I(3-

O)5-3* I(3-

A-++?) +*<-5)*+*3 */5* >*+* )>( I(3- 5>// A-++?) +*<-5)*+*3 */5* >*+* )>( I(3- 5>// "# "# C++8 C++8 6/-3 6/-3 L-*(5* L-*(5* ). ). -(5)// -(5)// (3 (3 .*+)* .*+)* -(-( .+3(* -)> +3-. *4-*() -( .+3(* -)> S))* .+3(* -)> +3-. *4-*() -( .+3(* -)> S))* .? +*<-5)+8$ .? +*<-5)+8$ "@# "@# E4-*() E4-*() 5>// 5>// @* @* .*+)*3 .*+)*3 .(/8 .(/8 @8 @8 )>* )>* 3/83/8 )>.+-=*3 (3 /-*(5*3 )>.+-=*3 (3 /-*(5*3 *@*+5 .? )>* *@*+5 .? )>* +*+*$$ "# "# )>* )>* +3-. +3-. .*+)-.(/ .*+)-.(/ +.*3+*5 +.*3+*5 .@5*+6*3 .@5*+6*3 @8@8 5> -++?) 5>// .(?.+ ). )>* ()-.(/ +*4-+**()5 5> -++?) 5>// .(?.+ ). )>* ()-.(/ +*4-+**()5 *5)@/-5>*3 (3 (.)-?-*3 @8 )>* DGCA$ *5)@/-5>*3 (3 (.)-?-*3 @8 )>* DGCA$

I.+)() D*?-(-)-.(5

I.+)() D*?-(-)-.(5

Absolute Minimum

Absolute Minimum The calculated R The calculated RVR, orVR, or at Aerodromes where; RVR measurements at Aerodromes where; RVR measurements are not taken or available, the visibility,

are not taken or available, the visibility, which is the lowest possible for any

which is the lowest possible for any

instrument approach to be made using

instrument approach to be made using thatthat particular approach aid.

particular approach aid. Advisory Area

Advisory Area A designated area where airA designated area where air trac advisory service is available.

I.+)() D*?-(-)-.(5

I.+)() D*?-(-)-.(5

 ADS servi

 ADS servicece. A service using aircraft. A service using aircraft informat

information provided by ion provided by means of automaticmeans of automatic dependent surveillance.

dependent surveillance. Aero

Aerodrome drome contrcontrol ol towertower.. A A unitunit established to provide air trac control established to provide air trac control service to aerodrome trac.

service to aerodrome trac.  Aerodrom

 Aerodrome e elevation.elevation.  The  The elevation elevation ofof the highest point of

I.+)() D*?-(-)-.(5

I.+)() D*?-(-)-.(5

Advisory Route

Advisory Route A designated route

A designated route

along which air trac advisory service

along which air trac advisory service

is available.

is available.

Aerodrome

Aerodrome

A(8 +* .? /(3 .+ )*+ 3*5-<(*3,

A(8 +* .? /(3 .+ )*+ 3*5-<(*3,

*4-*3, 5*) +) .+ ..(/8 5*3 ?.+

*4-*3, 5*) +) .+ ..(/8 5*3 ?.+

??

??.+3-(< ?-/-)-*5 ?.+ )>* /(3-(<

.+3-(< ?-/-)-*5 ?.+ )>* /(3-(< (3 3*+)+*

(3 3*+)+*

.? -++?)$

.? -++?)$

Aerodrome Control Service

I.+)() D*?-(-)-.(5

I.+)() D*?-(-)-.(5

 Aerodrome

 Aerodrome taxi taxi circuit.circuit. The specifedThe specifed path o aircrat on the manoeuvring path o aircrat on the manoeuvring area during specifc wind conditions.

area during specifc wind conditions.  Aerodrome

 Aerodrome trafc.trafc. All trac on theAll trac on the manoeuvring area o an aerodrome and manoeuvring area o an aerodrome and all aircrat ying in the vicinity o an all aircrat ying in the vicinity o an aerodrome.

aerodrome.

Note.— An aircrat is in the vicinity o Note.— An aircrat is in the vicinity o an aerodrome when it is in, entering or an aerodrome when it is in, entering or leaving an aerodrome trafc circuit 

leaving an aerodrome trafc circuit   Aerodrome

 Aerodrome trafc trafc circuit.circuit. The specifedThe specifed path to be own by aircrat operating path to be own by aircrat operating in the vicinity o an aerodrome.

I.+)() D*?-(-)-.(5

I.+)() D*?-(-)-.(5

Aerodrome Flight normation

Aerodrome Flight normation

!ervice "AF!#

!ervice "AF!# A !ight information

A !ight information

service provided t

service provided to aerodrome

o aerodrome

trac.

trac.

Aerodrome Tr

Aerodrome Traffic

affic Zone

Zone

A-+5* .? 3*?-(*3

A-+5* .? 3*?-(*3

3-*(5-.(5 *5)@/-5>*3 +.(3 ( *+.3+.*

3-*(5-.(5 *5)@/-5>*3 +.(3 ( *+.3+.*

?.+ )>* +.)*)-.( .? 

I.+)() D*?-(-)-.(5

I.+)() D*?-(-)-.(5

Aeronautical Mobile !ervice

Aeronautical Mobile !ervice A radioA radio communication service

communication service between aircrafbetween aircraftt stations and aeronautical stations, or

stations and aeronautical stations, or betweenbetween aircraft stations.

aircraft stations.

Aeronautical !tation

Aeronautical !tation A land station in theA land station in the aeronaut

aeronautical mobile service. ical mobile service. "n certain"n certain

instances, an aeronautical station may be instances, an aeronautical station may be placed on board a ship or an

placed on board a ship or an earth satellite.earth satellite.  Aeronautical

 Aeronautical xed xed service service A!S".A!S". AA telecommunication service between speci#ed telecommunication service between speci#ed #$

I.+)() D*?-(-)-.(5

I.+)() D*?-(-)-.(5

 Aeronautical

 Aeronautical xed staxed station.tion. A station in theA station in the aeronautical #$ed service.

aeronautical #$ed service.  Aeronautical

 Aeronautical ground ground light.light. Any Any lightlight specially provided as an aid to air navigation, specially provided as an aid to air navigation, other than a

other than a light displayed on light displayed on an aircrafan aircraft.t.  Aeronautical

 Aeronautical #normat#normation $ircular Aion $ircular A#$". A#$". A notice containing inormation that does notice containing inormation that does

not %ualiy or the origination o a N&'A( not %ualiy or the origination o a N&'A( or or

or or inclinclusiousion in tn in the A#he A#)), *ut , *ut whichwhich

relates to +ight saety, air navigation, relates to +ight saety, air navigation, technical, administrative or legislative technical, administrative or legislative

I.+)() D*?-(-)-.(5

I.+)() D*?-(-)-.(5

 Aeronautical

 Aeronautical #normation #normation ))u*licationu*lication A#)".

A#)". A publication issued by or with theA publication issued by or with the authority of a %tate and containing authority of a %tate and containing aeronautical information of a lasting character aeronautical information of a lasting character essential to air navigation.

essential to air navigation.  A#) Amend

 A#) Amendment. )ment. )ermanent chermanent changes toanges to the i

the inornormatiomation conn containtained in ed in the Athe A#)#)..  A#) Sulem

 A#) Sulement. 'ent. 'emorary emorary changes tochanges to the inormation contained in the

the inormation contained in the A#)A#)

which are u*lished *y means o secial which are u*lished *y means o secial  ages.

I.+)() D*?-(-)-.(5

I.+)() D*?-(-)-.(5

A"RA&. An acronym 'aeronautical information A"RA&. An acronym 'aeronautical information regulation and control( signifying a system regulation and control( signifying a system aimed at advance noti#cation based on aimed at advance noti#cation based on common e)ective dates, of circumstances that common e)ective dates, of circumstances that necessitate signi#cant changes in operating necessitate signi#cant changes in operating practices.

practices.

Air defence identi#cation *one 'A+"(. %pecial Air defence identi#cation *one 'A+"(. %pecial designated airspace of de#ned dimensions

designated airspace of de#ned dimensions within which aircraft are re-uired to comply within which aircraft are re-uired to comply with special identi#cation andor reporting with special identi#cation andor reporting procedur

I.+)() D*?-(-)-.(5

I.+)() D*?-(-)-.(5

A"% product. Aeronautical information provided A"% product. Aeronautical information provided in the form of the

in the form of the elements of the "ntegratedelements of the "ntegrated Aeronautical "nformation /ackage 'e$cept

Aeronautical "nformation /ackage 'e$cept

01TA2 and /"3(, including aeronautical charts, 01TA2 and /"3(, including aeronautical charts, or in

or in the form of suitable electronic media.the form of suitable electronic media. Application. 2anipulation and processing of Application. 2anipulation and processing of data in support

data in support of user re-uiremenof user re-uirements '"%1ts '"%1 454678(.

454678(.

A%9TA2. A special series 01TA2 notifying by A%9TA2. A special series 01TA2 notifying by means of a speci#c

means of a speci#c format change in activityformat change in activity of a volcano, a volcanic eruption andor

I.+)() D*?-(-)-.(5

I.+)() D*?-(-)-.(5

Airborne $ollision

Airborne $ollision A

Avoidance !ystem

voidance !ystem

An aircraft system based on %%R

An aircraft system based on %%R

transponder signals which operates

transponder signals which operates

independently of ground based

independently of ground based

e-uipment to provide advice to the pilot

e-uipment to provide advice to the pilot

on potential con!icting aircraft that are

on potential con!icting aircraft that are

e-uipped with %%R transponders.

e-uipped with %%R transponders.

Aircraft Station

Aircraft Station

A

A .@-/* 5))-.(

.@-/* 5))-.( -( )>*

-( )>*

*+.()-/ .@-/* 5*+6-* .( @.+3 ( -++?)$

*+.()-/ .@-/* 5*+6-* .( @.+3 ( -++?)$

Air-ground Communications

Air-ground Communications

T.%8

T.%8

.(-)-.( @*)**( -++?) (3 5))-.(5 .+

.(-)-.( @*)**( -++?) (3 5))-.(5 .+

I.+)() D*?-(-)-.(5

I.+)() D*?-(-)-.(5

Air%&round $ommunication !ervice Air%&round $ommunication !ervice AA service that permits information to be

service that permits information to be passedpassed from an aeronautical station to an aircraft

from an aeronautical station to an aircraft station on or

station on or in the vicinity of in the vicinity of an aerodran aerodrome.ome.

 Air-to-ground communication. One-way communication  Air-to-ground communication. One-way communication  from

 from aircraft aircraft to to stations stations or or locations locations on on the the surface surface of of thethe earth.

earth.

Aeronautical ground light

Aeronautical ground light. . Any Any lightlight specially provided as an aid to air navigation, specially provided as an aid to air navigation, other than a

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 Aircrat

 Aircrat roximityroximity.. A situation in which, in theA situation in which, in the opinion of a pilot or air trac services personnel, the opinion of a pilot or air trac services personnel, the distance between aircraft as well as their relative distance between aircraft as well as their relative positions and speed have been such that the safety of positions and speed have been such that the safety of the aircraft involved may have been compromised. An the aircraft involved may have been compromised. An aircraft pro$imity is classi#ed as follows:

aircraft pro$imity is classi#ed as follows: Risk of collision.

Risk of collision.  The  The risk risk classi#cation classi#cation of of an an aircrafaircraftt pro$imity in which serious risk of collision has e$isted. pro$imity in which serious risk of collision has e$isted. Safety not assured.

Safety not assured. The risk classi#cation of an aircraf The risk classi#cation of an aircraftt pro$imity in which the safety of the aircraft may have pro$imity in which the safety of the aircraft may have been compromised.

been compromised. No risk of collision.

No risk of collision.  The risk  The risk classi#cation of classi#cation of an an aircrafaircraftt pro$imity in which no risk of collision has e$isted.

pro$imity in which no risk of collision has e$isted. Risk not determined.

Risk not determined.  The  The risk risk classi#cation classi#cation of of anan aircraft pro$imity in which insucient information was aircraft pro$imity in which insucient information was

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Air Trac

Air Trac All aircrafAll aircraft in !ight t in !ight or operating onor operating on the manoeuvring area of an aerodrome.

the manoeuvring area of an aerodrome. Air T

Air Trac $ontrorac $ontrol $learl $learanceance AuthorisationAuthorisation for an aircraft to procee

for an aircraft to proceed under d under conditionsconditions speci#ed by an air trac control unit.

speci#ed by an air trac control unit. Air Trac !ervice "AT!#

Air Trac !ervice "AT!# A generic termA generic term meaning variously, !ight

meaning variously, !ight informatinformation service,ion service, alerting service, air trac advisory service, air alerting service, air trac advisory service, air trac control service, area control service,

trac control service, area control service,

approach control service or aerodrome control approach control service or aerodrome control service.

service. Airway

Airway A control area or part of a control areaA control area or part of a control area established in the form of a

established in the form of a corridor e-uippedcorridor e-uipped with radio navigation aids.

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 Air

 Air trafc trafc advisory advisory service.service. A serviceA service provided within advisory airspace to ensure provided within advisory airspace to ensure separation, in so far as practical, between separation, in so far as practical, between aircraf

aircraft which are operating t which are operating on "R on "R !ight plans.!ight plans.  Air

 Air trafc trafc control control clearance.clearance. Authori*ationAuthori*ation for an aircraft to proceed under conditions for an aircraft to proceed under conditions speci#ed by an air trac control unit.

speci#ed by an air trac control unit.

Note 1.— For convenience, the term “air trac Note 1.— For convenience, the term “air trac control clearance” is frequently areviated to control clearance” is frequently areviated to “clearance” !hen used in a""ro"riate “clearance” !hen used in a""ro"riate conte#ts.

conte#ts.

Note $.— %he areviated term “clearance” Note $.— %he areviated term “clearance” may e "re&#ed y the !ords “ta#i”, “take' may e "re&#ed y the !ords “ta#i”, “take' o(”, “de"arture”, “en'route”, “a""roach” or o(”, “de"arture”, “en'route”, “a""roach” or

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 Air

 Air trafc trafc control control instruction.instruction. +irectives+irectives issued by air trac control for the purpose of issued by air trac control for the purpose of re-uiring a pilot to take a speci#c action.

re-uiring a pilot to take a speci#c action.  Air

 Air trafc trafc control control service.service. A serviceA service provided for the

provided for the purpose of:purpose of: a( preventing collisions:

a( preventing collisions:

4( between aircraft, and 4( between aircraft, and

<( on the manoeuvring area between <( on the manoeuvring area between aircraf

aircraft and t and obstructions; andobstructions; and

b( e$pediting and maintaining an orderly !ow b( e$pediting and maintaining an orderly !ow of air trac.

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 Air

 Air trafc trafc control control unit.unit. A generic termA generic term meaning variously,

meaning variously,

area control centre, approach control unit or area control centre, approach control unit or aerodrome

aerodrome

control tower. control tower.

 Air

 Air trafc trafc service service AA'S".'S". A generic termA generic term meaning variously, !ight information service, meaning variously, !ight information service, alerting service, air trac advisory service, air alerting service, air trac advisory service, air trac control service 'area control service, trac control service 'area control service, approach control service or aerodrome control approach control service or aerodrome control service(.

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 AIRMET

 AIRMET information.information. I(?.+)-.( -55*3 @8 I(?.+)-.( -55*3 @8  *)*.+./.<-/ )> .??-* .(*+(-(< )>* .++*(* .+ *)*.+./.<-/ )> .??-* .(*+(-(< )>* .++*(* .+ **)*3 .++*(* .? 5*-?-*3 *(%+.)* *)>*+ **)*3 .++*(* .? 5*-?-*3 *(%+.)* *)>*+  >*(.*(  >*(.*( >-> >-> 8 8 ??*) ??*) )>* )>* 5?*)8 5?*)8 .? .? /.%/*6*//.%/*6*/ -++?) .*+)-.(5 (3 >-> 5 (.) /+*38 -(/3*3 -( -++?) .*+)-.(5 (3 >-> 5 (.) /+*38 -(/3*3 -( )>* ?.+*5) -55*3 ?.+ /.%/*6*/ ?/-<>)5 -( )>* ?/-<>) )>* ?.+*5) -55*3 ?.+ /.%/*6*/ ?/-<>)5 -( )>* ?/-<>) -(?.+)-.( +*<-.( .(*+(*3 .+ 5@%+* )>*+*.?$ -(?.+)-.( +*<-.( .(*+(*3 .+ 5@%+* )>*+*.?$  Air-report.  Air-report. A +*.+) ?+. ( -++?) -( ?/-<>) +*+*3 -(A +*.+) ?+. ( -++?) -( ?/-<>) +*+*3 -( .(?.+-)8 -)> +*4-+**()5 ?.+ .5-)-.(, (3 .*+)-.(/ .(?.+-)8 -)> +*4-+**()5 ?.+ .5-)-.(, (3 .*+)-.(/ (3'.+ *)*.+./.<-/ +*.+)-(<$ (3'.+ *)*.+./.<-/ +*.+)-(<$

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 Air-taxiing.

 Air-taxiing. M.6**() .?  >*/-.)*+'VTOL @.6* )>*M.6**() .?  >*/-.)*+'VTOL @.6* )>* 5+?* .? ( *+.3+.*, (.+//8 -( <+.(3 *??*) (3 ) 5+?* .? ( *+.3+.*, (.+//8 -( <+.(3 *??*) (3 )  <+.(3 5**3 (.+//8 /*55 )>( 7

 <+.(3 5**3 (.+//8 /*55 )>( 7 '> "20 )#$'> "20 )#$  Note.—

 Note.— The The actual actual height height may may varyvary, , and and some some helicoptershelicopters may require air-taxiing above 8 m (2 !t" #$% to reduce may require air-taxiing above 8 m (2 !t" #$% to reduce  gro

 ground und e!!ect e!!ect turbulence turbulence or or proprovide vide clearance clearance !or !or cargcargoo  slingloads.

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Altitude

Altitude The vertical dista The vertical distance of a level, ance of a level, a point or an ob=ect co

point or an ob=ect considered as a point,nsidered as a point, measured from mean sea level.

measured from mean sea level. Area $ontrol $entre

Area $ontrol $entre A term used in theA term used in the >nited ?ingdom to describe a unit

>nited ?ingdom to describe a unit providingproviding en@route air trac control services.

en@route air trac control services. Automatic

Automatic TTerminal erminal normation normation !ervice!ervice "AT!# "'(#

"AT!# "'(# The prov The provision of currision of current, rent, routineoutine information to arriving and departing aircraft information to arriving and departing aircraft by means of

by means of continuous and repetitivecontinuous and repetitive broadcasts thr

broadcasts throughout the day oughout the day or a speci#edor a speci#ed portion of the day.

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 A-/!

 A-/!A.A.  The  The code code word word used used to to designate designate anan alert phase.

alert phase.

 Alerting

 Alerting service.service. A service provided to notifyA service provided to notify appropriate organi*ations regarding aircraft in appropriate organi*ations regarding aircraft in need of search and rescue aid, and assist such need of search and rescue aid, and assist such organi*ations as re-uired.

organi*ations as re-uired.

 Alert

 Alert hase.hase. A A situation situation whereinwherein apprehension e$ists as to the safety of an apprehension e$ists as to the safety of an aircraf

aircraft and t and its occupants.its occupants.  Alerting

 Alerting ost.ost. A unit designated to receiveA unit designated to receive information from the general public regarding information from the general public regarding

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 Alternate

 Alternate aerodrome.aerodrome. An aerodrome to which anAn aerodrome to which an aircraft may proceed when it becomes either aircraft may proceed when it becomes either impossible or inadvisable to proceed to or to land at impossible or inadvisable to proceed to or to land at the aerodrome of intended landing. Alternate the aerodrome of intended landing. Alternate aerodromes include the following:

aerodromes include the following: %

%ake'o( ake'o( alternaalternatete. An alternate aerodrome at which an. An alternate aerodrome at which an aircraft can land should this become necessary shortly aircraft can land should this become necessary shortly after take@o) and it is not possible to use the after take@o) and it is not possible to use the aerodrome of departure.

aerodrome of departure. +n'route alternate

+n'route alternate. An aerodrome at which an aircraft. An aerodrome at which an aircraft would be able to land after e$periencing an abnormal would be able to land after e$periencing an abnormal or emergency condition while en route.

or emergency condition while en route. estination alternate

estination alternate. An alternate aerodrome to. An alternate aerodrome to which anaircraft may proceed should it become either which anaircraft may proceed should it become either impossible or inadvisable to land at the aerodrome of impossible or inadvisable to land at the aerodrome of intended landing.

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 A

 A roach  roach control control service.service. Air trac control serviceAir trac control service for arriving or departing controlled !ights.

for arriving or departing controlled !ights.  Aroach

 Aroach control control unit.unit. A unit established toA unit established to provide air trac control service to controlled !ights provide air trac control service to controlled !ights arriving at, or departing from, one or more arriving at, or departing from, one or more aerodromes.

aerodromes. Aroach

Aroach unnel.unnel. A speci#ed airspace around aA speci#ed airspace around a nominal approach path within which an aircraft nominal approach path within which an aircraft approaching to land is considered to be making a approaching to land is considered to be making a normal approach.

normal approach.  Aroach

 Aroach se%uence.se%uence.  The  The order order in in which which two two oror more aircraft are cleared to approach to land at the more aircraft are cleared to approach to land at the aerodrome.

aerodrome.  Aron.

 Aron. A de#ned area, on a land aerodrome, intendedA de#ned area, on a land aerodrome, intended to accommodate aircraft for purposes of loading or to accommodate aircraft for purposes of loading or unloading passengers, mail or cargo, fuelling, parking unloading passengers, mail or cargo, fuelling, parking or maintenance.

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 Area

 Area control control service.service. Air trac control service forAir trac control service for controlled !ights in control areas.

controlled !ights in control areas.  Area

 Area navigation navigation /NA/NA0".0". A method of navigationA method of navigation which permits aircraft operation on any desired !ight which permits aircraft operation on any desired !ight path within the coverage of station@referenced path within the coverage of station@referenced navigation aids or within the limits of the capability of navigation aids or within the limits of the capability of self@contained aids, or a combination of these.

self@contained aids, or a combination of these.  Area

 Area navigation route.navigation route. An AT% route established forAn AT% route established for the use of aircraft capable of employing area the use of aircraft capable of employing area navigation.

navigation.

 Assignment,

 Assignment, assign.assign. +istribution of fre-uencies to+istribution of fre-uencies to stations. +istribution of %%R &odes or <7@bit aircraft stations. +istribution of %%R &odes or <7@bit aircraft addresses to aircraft.

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 A

 A'S 'S route.route. A speci#ed route designed forA speci#ed route designed for channelling the !ow of trac as necessary for channelling the !ow of trac as necessary for the provision of air trac services.

the provision of air trac services.

Note 1.— %he term “-%S route” is used to Note 1.— %he term “-%S route” is used to mean variously, air!ay, advisory route, mean variously, air!ay, advisory route, controlled or uncontrolled route, arrival or controlled or uncontrolled route, arrival or de"arture route, etc.

de"arture route, etc.

Note $.— -n -%S route is de&ned y route Note $.— -n -%S route is de&ned y route s"eci&cations !hich include an -%S route s"eci&cations !hich include an -%S route desi)nator, the track to or from si)ni&cant desi)nator, the track to or from si)ni&cant  "oints

 "oints !ay"oints/, !ay"oints/, distance distance et!eenet!een si)ni&cant "oints, re"ortin) requirements and, si)ni&cant "oints, re"ortin) requirements and, as determined y the a""ro"riate -%S as determined y the a""ro"riate -%S

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 Automatic

 Automatic terminal terminal inormation inormation service service AA'#S".'#S". 'he sym*ol used to designate automatic 'he sym*ol used to designate automatic terminal inormation service. 'he automatic terminal inormation service. 'he automatic  rovision

 rovision o o current, current, routine routine inormation inormation toto arriving and dearting aircrat throughout 12 arriving and dearting aircrat throughout 12 hours or a secied ortion thereo3

hours or a secied ortion thereo3

Data lin45automatic terminal inormation service Data lin45automatic terminal inormation service D5A'#S". 'he rovision o A'#S via data lin4.

D5A'#S". 'he rovision o A'#S via data lin4.

0oice5automatic terminal inormation service 0oice5automatic terminal inormation service 0oice5A'#S". 'he rovision o A'#S *y means o 0oice5A'#S". 'he rovision o A'#S *y means o continuous and reetitive voice

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)ase Turn

)ase Turn A turn e$ecuted by the aircraftA turn e$ecuted by the aircraft

during the initial approach between the end of during the initial approach between the end of the outbound track and the beginning of the the outbound track and the beginning of the intermedi

intermediate or ate or #nal approach track. The#nal approach track. The tracks are not reciprocal.

tracks are not reciprocal. 6are arth.

6are arth. !urace o the *arth including!urace o the *arth including bodies o water and permanent ice and

bodies o water and permanent ice and

snow+ and e,cluding vegetation and snow+ and e,cluding vegetation and man-made obects.

made obects.

)lind Transmission

)lind Transmission A transmission from oneA transmission from one station to another station in

station to another station in circumstcircumstancesances where two@way communication cannot be where two@way communication cannot be established but where it is believed that the established but where it is believed that the called station is able

called station is able to receive theto receive the transmission.

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$eiling. The height above the ground or $eiling. The height above the ground or water o the base o the lowest layer o water o the base o the lowest layer o cloud below / 000 m "10 000 t# covering cloud below / 000 m "10 000 t# covering more than hal the s2y.

more than hal the s2y.

$hange-over point. The point at which an $hange-over point. The point at which an aircrat navigating on an AT! route aircrat navigating on an AT! route segment defned by reerence to very segment defned by reerence to very high re3uency omni-directional radio high re3uency omni-directional radio ranges is e,pected to transer its primary ranges is e,pected to transer its primary navigational reerence rom the acility navigational reerence rom the acility behind the aircrat to the ne,t acility behind the aircrat to the ne,t acility ahead o the aircrat.

ahead o the aircrat.

4ote.5 $hange-over points are 4ote.5 $hange-over points are established to provide the optimum established to provide the optimum balance in respect o signal strength and balance in respect o signal strength and

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$ode "!!R#. The number assigned to a $ode "!!R#. The number assigned to a particular multiple pulse reply signal particular multiple pulse reply signal transmitted by a transponder in Mode A transmitted by a transponder in Mode A or Mode $.

or Mode $.

$learance 7imit

$learance 7imit The point to which an The point to which an aircraf

aircraft is gt is granted an air ranted an air trac controltrac control clearance.

clearance.

$ontrol Area

$ontrol Area A controlled airspace A controlled airspace e$tee$tendingnding upwards from a speci#ed limit above the

upwards from a speci#ed limit above the surface of the earth.

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$ontrolled aerodrome.

$ontrolled aerodrome. An aerodrome atAn aerodrome at which air trac control service is which air trac control service is provided to aerodrome trac.

provided to aerodrome trac.

Note.— 'he term 7controlled aerodrome8 Note.— 'he term 7controlled aerodrome8 indicates that air trafc control service is indicates that air trafc control service is  rovided

 rovided to to aerodrome aerodrome trafc trafc *ut *ut doesdoes not necessarily imly that a control 9one not necessarily imly that a control 9one exists.

exists. $ruise

$ruise clim*. clim*. An An aerolane aerolane cruisingcruising techni%ue resulting in a net increase in techni%ue resulting in a net increase in altitude as the aerolane mass altitude as the aerolane mass decreases.

decreases.

$urrent data authority. 'he designated $urrent data authority. 'he designated ground system through which a $)D-$ ground system through which a $)D-$

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$urrent +ight lan $)-". 'he +ight lan, $urrent +ight lan $)-". 'he +ight lan, including changes, i any, *rought a*out including changes, i any, *rought a*out *y su*se%uent

*y su*se%uent clearances.clearances.

Note.— :hen the word 7message8 is Note.— :hen the word 7message8 is used as a sufx to this term, it denotes used as a sufx to this term, it denotes the content and ormat o the current the content and ormat o the current +ight lan data sent rom one unit to +ight lan data sent rom one unit to another.

another.

$ontrolled Airspace

$ontrolled Airspace An airspace of de#nedAn airspace of de#ned dimensions within which air trac control dimensions within which air trac control service is provided in accordance with the service is provided in accordance with the airspace classi#cation.

airspace classi#cation. $ontrol 8one

$ontrol 8one A controlled airspace A controlled airspace e$te$tendingending upwards fr

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$alendar. Discrete temoral reerence $alendar. Discrete temoral reerence system that rovides the *asis or system that rovides the *asis or dening temoral osition to a

dening temoral osition to a resolutionresolution o one day #S& ;<;=>?".

o one day #S& ;<;=>?".

$anoy. 6are arth sulemented *y $anoy. 6are arth sulemented *y vegetation height.

vegetation height.

$ulture. All man5made eatures $ulture. All man5made eatures constructed on the surace o the arth, constructed on the surace o the arth, such as cities, railways and canals.

such as cities, railways and canals.

$yclic redundancy chec4 $/$". A $yclic redundancy chec4 $/$". A mathematical algorithm alied to the mathematical algorithm alied to the digital exression o data that rovides a digital exression o data that rovides a level o assurance against loss or level o assurance against loss or alteration o data.

I.+)() D*?-(-)-.(5

I.+)() D*?-(-)-.(5

Deendent arallel aroaches. Deendent arallel aroaches. !imultaneous approaches to parallel or !imultaneous approaches to parallel or near-parallel instrument runways where near-parallel instrument runways where radar separation minima between aircrat radar separation minima between aircrat on adacent e,tended runway centre on adacent e,tended runway centre lines are prescribed.

lines are prescribed. D'/S!A.

D'/S!A. The code word used toThe code word used to designate a distress phase.

designate a distress phase. Discrete code.

Discrete code. A our-digit !!R $ode withA our-digit !!R $ode with the last two digits not being 900:.

the last two digits not being 900:. Distress hase.

Distress hase. A situation wherein thereA situation wherein there is reasonable certainty that an aircrat is reasonable certainty that an aircrat and its occupants are threatened by and its occupants are threatened by grave and imminent danger or re3uire grave and imminent danger or re3uire

I.+)() D*?-(-)-.(5

I.+)() D*?-(-)-.(5

;anger area. An airspace o defned ;anger area. An airspace o defned dimensions within which activities dimensions within which activities dangerous to the ight o aircrat may dangerous to the ight o aircrat may e,ist at specifed times.

e,ist at specifed times.

;atabase. <ne or more fles o data so ;atabase. <ne or more fles o data so structured that appropriate applications structured that appropriate applications may draw rom the fles and update may draw rom the fles and update them.

them.

4ote.5 This primarily reers to data 4ote.5 This primarily reers to data stored electronically and accessed by stored electronically and accessed by computer rather than in fles o physical computer rather than in fles o physical records.

records.

;ata product. ;ata set or data set series ;ata product. ;ata set or data set series that conorms to a data product that conorms to a data product

I.+)() D*?-(-)-.(5

I.+)() D*?-(-)-.(5

;ata product specifcation. ;etailed ;ata product specifcation. ;etailed description o a data set or data set description o a data set or data set series together with additional series together with additional inormation that will enable it to be inormation that will enable it to be created+ supplied to and used by another created+ supplied to and used by another party "!< =>=?=@#.

party "!< =>=?=@#.

4ote.5 A data product specifcation 4ote.5 A data product specifcation provides a description o the universe o provides a description o the universe o discourse and a specifcation or mapping discourse and a specifcation or mapping the universe o discourse to a data set. t the universe o discourse to a data set. t may be used or production+ sales+ may be used or production+ sales+ end-use or other purpose.

use or other purpose.

;ata 3uality. A degree or level o ;ata 3uality. A degree or level o confdence that the data provided meets confdence that the data provided meets the re3uirements o the data user in the re3uirements o the data user in

I.+)() D*?-(-)-.(5

I.+)() D*?-(-)-.(5

;ata set. dentifable collection o data ;ata set. dentifable collection o data "!< =>=0=@#. ;ata set series.

"!< =>=0=@#. ;ata set series.

$ollection o data sets sharing the same $ollection o data sets sharing the same product specifcation "!< =>==@#.

product specifcation "!< =>==@#.

;atum. Any 3uantity or set o 3uantities ;atum. Any 3uantity or set o 3uantities that may serve as a reerence or basis or that may serve as a reerence or basis or the calculation o other 3uantities "!< the calculation o other 3uantities "!< =>=0B@#.

=>=0B@#.

;igital *levation Model ";*M#. The ;igital *levation Model ";*M#. The representation o terrain surace by representation o terrain surace by continuous elevation values at all continuous elevation values at all intersections o a defned grid+ intersections o a defned grid+ reerenced to common datum.