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737 Flap Settings  
User currently offlineJetset409 From United Kingdom, joined Sep 2008, 21 posts, RR: 0
Posted (7 years 8 months 1 week 3 days 18 hours ago) and read 18534 times:

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.


4 replies: All unread, jump to last
User currently offlineWILCO737 From Greenland, joined Jun 2004, 9320 posts, RR: 69
Reply 1, posted (7 years 8 months 1 week 3 days 17 hours ago) and read 18527 times:

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)

User currently offlineInbound From Trinidad and Tobago, joined Sep 2001, 856 posts, RR: 2
Reply 2, posted (7 years 8 months 1 week 2 days 23 hours ago) and read 18426 times:

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!
User currently offlineTranspac787 From United States of America, joined Jul 2007, 3285 posts, RR: 13
Reply 3, posted (7 years 8 months 1 week 2 days 16 hours ago) and read 18399 times:

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

Average assumed temps of 130F-140F??  Wink

User currently offlinePilotaydin From Turkey, joined Sep 2004, 2561 posts, RR: 48
Reply 4, posted (7 years 8 months 1 week 2 days 10 hours ago) and read 18359 times:

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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