Cold (eather Operations - FCOM-B737.pdf

3cing con!itions eist 'hen OA5 or 5A5 is 1$B# or -elo'. Do not use engine or 'ing anti ice 'hen OA5 or 5A5 is a-o>e 1$B#.

.re4light .ro*e(ure  Firt O44i*er

Do the %ollo'ing step a%ter completing normal Pre%light Proce!ure  First O%%icer?

• P,O4 =A5 s'itches...O7

◦ 6eri%y that all pro-e heat lights are etinguishe!

Engine Start .ro*e(ure

Do the normal ngine Start Proce!ure 'ith %ollo'ing mo!i%ications?

• 3n case o% temperatures -elo' +$B# !o not start engines.

#all maintenance.

DO NOT USE FO E!" N!#$%!T$ON Page 8

737-700/800 FCOM Boeing

• 3% temperature is -elo' *B# i!le engine %or t'o minutes

Engine !nti-i*e Operation  On the %roun(

ngine antiice must -e selecte! O7 imme!iately a%ter -oth engines are starte!. Do not use engine antiice 'hen OA5 is a-o>e 1$B#.

When engine antiice is nee!e!?

737 S5A,5 s'itches...#O75 F/O

737 A7533# s'itches...O7

• 6eri%y #OWL 6AL6 OP7 lights illuminate -right<

then !im

• 6eri%y #OWL A7533# lights are etinguishe!

F/O

When engine antiice is no longer nee!e!?

737 A7533# s'itches...OFF

• 6eri%y #OWL 6AL6 OP7 lights illuminate -right<

then etinguish

F/O

2ing !nti-i*e Operation  On the %roun(

"se 'ing antiice !uring all groun! operations -et'een engine start an! ta&eo%% 'hen icing con!itions eist or are anticipate!.

Do not use 'ing antiice 'hen OA5 is a-o>e 1$B#.

When 'ing anti ice is nee!e!?

W37 A7533# s'itch...O7

• 6eri%y that L an! , 6AL6 OP7 lights illuminate -right< then !im

F/O

When 'ing antiice is no longer nee!e!?

W37 A7533# s'itch...OFF F/O

DO NOT USE FO E!" N!#$%!T$ON Page 9

• 6eri%y that L an! , 6AL6 OP7 lights illuminate -right< then etinguish

Be4ore Ta)i .ro*e(ure

Do the normal 4e%ore 5ai Proce!ure 'ith the %ollo'ing mo!i%ications?

7,A5O, 1 an! 2 s'itches...O7 F/O Flight controls...#hec& # Flaps...#hec&

• :o>e %laps %rom Flaps up to Flaps +$ -ac& to Flaps up to ensure %ree mo>ement

3% tai through ice< sno' slush etc. tai 'ith %laps up

F/O

#all FlapsKKM as nee!e! #

Flap le>er...Set %laps< as nee!e! F/O

Ta)i-Out

5ai at a re!uce! spee!.

3% temperature is *B# or -elo'< !o an engine run up 'ith $N 71 %or approimately *$ secon!s.

De-i*ing/!nti-i*ing

3% !eicing/antiicing is nee!e!Q

AP"...As nee!e!

• AP" shoul! !o'n unless AP" operation is necessary

F/O

#all FLAPS "PM #

Flaps..."P

• Pre>ents ice an! slush %rom accumulating %lap

F/O

DO NOT USE FO E!" N!#$%!T$ON Page 8$

737-700/800 FCOM Boeing

ca>ities !uring !eicing

5hrust le>ers...3!le

• ,e!uces possi-ility o% inJury to personnel at inlet or ehaust areas

Sta-ili;er trim...Full APL 7OS DOW7 #

ngine 4LD air s'itches...OFF F/O AP" 4LD air s'itch...OFF F/O

A%ter !eicing/antiicing is complete!?

AP"...As nee!e!

Wait one minute a%ter !eicing is complete! to turn engine 4LD air s'itches to on

F/O

• ngine 4LD air s'itches...O7 F/O Sta-ili;er trim...KK"735S

• 6eri%y sta-ili;er trim is set %or ta&eo%%

Be4ore Ta'eo44 .ro*e(ure

Do the normal 4e%ore 5a&eo%% Proce!ure 'ith the %ollo'ing mo!i%ications?

#all FLAPSKKM as nee!e! %or ta&eo%% PF

Flap le>er...Set ta&eo%% %laps< as nee!e!

• 6eri%y L FLAPS 5 green light is illuminate!

Engine !nti-$*e Operation  $n 4light

ngine antiice must -e O7 !uring all %light operations 'hen icing con!itions eist or are anticipate!.

When engine antiice is nee!e!?

DO NOT USE FO E!" N!#$%!T$ON Page 81

737 S5A,5 s'itches...#O75 P:

737 A7533# s'itches...O7

• 6eri%y #OWL 6AL6 OP7 lights illuminate -right<

then !im

• 6eri%y #OWL A7533# lights are etinguishe!

When engine antiice is no longer nee!e!?

737 A7533# s'itches...OFF

• 6eri%y #OWL 6AL6 OP7 lights illuminate -right<

then etinguish

737 S5A,5 s'itches...OFF P:

2ing !nti-i*e Operation  $n Flight

When 'ing anti ice is nee!e!?

W37 A7533# s'itch...O7

• 6eri%y that L an! , 6AL6 OP7 lights illuminate -right< then !im

When 'ing antiice is no longer nee!e!?

W37 A7533# s'itch...OFF

• 6eri%y that L an! , 6AL6 OP7 lights illuminate -right< then etinguish

!pproa*h an( "an(ing

"se normal proce!ures an! re%erence spee!s unless a %laps 1

lan!ing is planne!.

3% a %laps 1 lan!ing 'ill -e ma!e?

• Set 6,F1

DO NOT USE FO E!" N!#$%!T$ON Page 82

737-700/800 FCOM Boeing

◦ 3% any o% the %ollo'ing con!itions apply< set 6,F 3#R6,F11$

▪ engine antiice 'ill -e use! !uring lan!ing

▪ 'ing antiice has -een use! any time !uring %light

▪ icing con!itions 'ere encountere! !uring %light an!

lan!ing temperature is -elo' 1$B#

!4ter "an(ing .ro*e(ure

Same proce!ure as Wing Antiice an! ngine Antiice proce!ures.

5ai at a re!uce! spee!.

Shut(own .ro*e(ure

Do the %ollo'ing step -e%ore starting normal Shut!o'n Proce!ure?

A%ter la!ing in icing con!itions?

• Sta-ili;er trim...Set $ to 2 units

Se*ure .ro*e(ure

Do the normal Secure Proce!ures 'ith the %ollo'ing mo!i%ications?

3% the airplane 'ill -e atten!e! in 'arm air circulation?

AP"...Start F/O AP" 7,A5O, -us s'itches...O7 F/O PA#C s'itches...A"5O F/O 3SOLA53O7 6AL6 s'itch...OP7 F/O Pressuri;ation mo!e selector...:A7 F/O Out%lo' >al>e s'itch...OP7

• Pre>ents aircra%t pressuri;ation

F/O

DO NOT USE FO E!" N!#$%!T$ON Page 8*

AP" 4LD air s'itch...O7 F/O

3% the airplane 'ill not -e atten!e!?

Pressuri;ation mo!e selector...:A7 F/O Out%lo' >al>e s'itch...#LOS

• Position the out%lo' >al>e %ully close! to inhi-it the inta&e o% sno' or ice.

F/O

Wheel choc&s...6eri%y in place # or F/O Par&ing -ra&e...,elease! #

In document FCOM-B737.pdf (Page 79-85)