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Posts: 1
Joined: Wed Sep 17, 2008 12:28 pm

737 Flap Settings

Fri Sep 19, 2008 11:27 am

Please could someone tell me what the usual/most common takeoff flap setting is for the Boeing...

I know it varies by weight, runway length/height, temperature etc..., but am just after a rough guide.

Also, does anyone have access to runway takeoff data tables (ie. those that help determine assumed temperatures for de-rated takeoffs)? I know they are runway specific, but was again after a rough guide.

Many thanks in advance for any info. which people have.

Posts: 7275
Joined: Sun Jun 20, 2004 12:21 am

RE: 737 Flap Settings

Fri Sep 19, 2008 12:12 pm

Quoting Jetset409 (Thread starter):

I've only flown the 700/800 and certified flap setting were:

1, 5, 15, 25. Mostly was used 5.

WILCO737 (MD11F)
Posts: 614
Joined: Sat Sep 15, 2001 7:59 am

RE: 737 Flap Settings

Sat Sep 20, 2008 6:26 am

Yup, same with us at Caribbean Airlines. Flaps 5.

For your derated takeoff, we have an average assumed temp of between 54-60C.
Maintain own separation with terrain!
Posts: 1421
Joined: Mon Jul 30, 2007 12:47 pm

RE: 737 Flap Settings

Sat Sep 20, 2008 1:44 pm

Quoting Inbound (Reply 2):
average assumed temp of between 54-60C

Average assumed temps of 130F-140F??  Wink
Posts: 2100
Joined: Tue Sep 07, 2004 12:30 am

RE: 737 Flap Settings

Sat Sep 20, 2008 7:10 pm

on the 300-500 we use flaps 5

on the NG we use 1, 5 10 or 15 at my airline
The only time there is too much fuel onboard, is when you're on fire!

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