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Flaps Set At "zero"  
User currently offlineDaveT From Canada, joined Dec 2011, 1 posts, RR: 0
Posted (13 years 7 months ago) and read 1143 times:

Howdy,

Can anyone tell me if it is possible to have the flap setting to zero for takeoff and under certain conditions, rotate and climb successfully?

Are there any wind strengths and wind directions (I don't mean 300 miles an hour either.) that make this possible and is there any airport in the world due to its elevation or perhaps "unsual" meteioralogical conditions that "could" permit this?

Or.... if they are not set, anything from a DC-9 above, you are toast! period!

Any pilots, mechanics or instructors able to answer this?

Thanks


12 replies: All unread, jump to last
 
User currently offlineBuff From Australia, joined Mar 2007, 0 posts, RR: 1
Reply 1, posted (13 years 6 months 4 weeks 1 day 23 hours ago) and read 1106 times:

It depends entirely on the airplane. If flaps are required for takeoff, and a configuration warning device is enabled, then a warning will sound if flaps are not in correct position. Older airplanes don't have these config warnings. Some aircraft don't need flaps for takeoff.

You'll have to be more specific!

Best Regards,

Buff


User currently offlineHkgspotter1 From Hong Kong, joined Nov 2005, 0 posts, RR: 0
Reply 2, posted (13 years 6 months 4 weeks 1 day 23 hours ago) and read 1093 times:

I have a photo of a PR 744 lined up on the runway at Kai Tak with zero flaps !!!, As soon as he applied power he took it off again, must have been a few warnings going off !!!

User currently offlineRed Panda From Hong Kong, joined Jun 2000, 1521 posts, RR: 0
Reply 3, posted (13 years 6 months 4 weeks 1 day 23 hours ago) and read 1089 times:

There was an accident in the U.S. related to this. There was a DC-9 crashed about a min after takeoff because the pilots forgot to lower the flaps. Need not to say, all died on board.


I got this from a TLC program.

r panda


User currently offlineDaveT From Canada, joined Dec 2011, 1 posts, RR: 0
Reply 4, posted (13 years 6 months 4 weeks 1 day 23 hours ago) and read 1076 times:

To be specific, I guess I am referring to western commercial aircraft and Airbus.

ex. Can an A320 accomplish in any safe flying conditions what I wrote?

Red Panda: you are referring to the NW crash in Detroit. One baby survived the crash and lives in an undisclosed location presumably still in the states.


User currently offlineJETPILOT From United States of America, joined May 1999, 3130 posts, RR: 29
Reply 5, posted (13 years 6 months 4 weeks 1 day 22 hours ago) and read 1076 times:

Isn't this posted in the tech forum already?????

JEt


User currently offlineB767-400er From Hong Kong, joined Apr 2000, 290 posts, RR: 1
Reply 6, posted (13 years 6 months 4 weeks 1 day 22 hours ago) and read 1072 times:

As far as I know, the Fokker F-100 can do a 0-flaps T/O. There was a discussion in the Tech/ops forum a while ago, go do a search there and see if you can find it.

Tony,
B767-400er


User currently offlineAeroGlobeAir7 From United States of America, joined Jan 2001, 586 posts, RR: 2
Reply 7, posted (13 years 6 months 4 weeks 1 day 22 hours ago) and read 1068 times:

Beech 350s don't require flaps unless the runway is short. Airliner's require them, at least all of the ones I know of.

User currently offlineViflyer From US Virgin Islands, joined May 1999, 500 posts, RR: 0
Reply 8, posted (13 years 6 months 4 weeks 1 day 19 hours ago) and read 1039 times:

I usual SOP with the Saab340B normally has us taking off with 0 flap. Every now and then when there is a high load from a short runway (i.e. Thanksgiving out of the short 4000 ft. runway at DCA they used flaps 5) but about 95% of the time it's 0 flap. But it's a prop.


I reject your reality and subsitute my own
User currently offlineIahcsr From United States of America, joined Jun 1999, 3437 posts, RR: 42
Reply 9, posted (13 years 6 months 4 weeks 1 day 18 hours ago) and read 1037 times:
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The only aircraft in CO's fleet to routinely do zero flap takeoffs was the A-300. In theory, given enough speed, I would think most aircraft could do this.... but I wouldn't care to be on the plane that tried it.


Working very hard to Fly Right....
User currently offlineAstrojet From Germany, joined Aug 2000, 565 posts, RR: 2
Reply 10, posted (13 years 6 months 4 weeks 1 day 17 hours ago) and read 1019 times:

The A310 is able to take-off at zero flaps (not the leading edge flaps)

User currently offlineGunFighter 6 From Netherlands, joined Jan 2001, 404 posts, RR: 0
Reply 11, posted (13 years 6 months 4 weeks 1 day 15 hours ago) and read 1008 times:

The flap setting depends on the Weight of the aircraft and the length of the Runway.

e.g. if you have a short runway but you are a heavy B767 you apply more flaps e.g 30 to get of the ground.
the standard Flap setting is 15 for normal airliners such as the A330..

I don't see why an aircraft can't take of with zero flaps.
if the runway is long enough it should be possible.

but if I am wrong, someone please correct me.


User currently offlineCedarjet From United Kingdom, joined May 1999, 8117 posts, RR: 54
Reply 12, posted (13 years 6 months 4 weeks 1 day 14 hours ago) and read 1006 times:

A Lufthansa 747 crashed about a minute after takeoff in Nairobi in 1975 because the leading edge slats weren't deployed. They are actuated using pnuematics, which are closed during engine start. Switches were not reset and even though the flap/slat handle was correctly positioned, the slats didn't extend and the aircraft stalled. About 60 passengers were killed. This was after a BOAC 747 had a similar experience at Shannon a year or two previously but a change in start-up procedures was not widely published. The BOAC flight managed to fly away, just.


fly Saha Air 707s daily from Tehran's downtown Mehrabad to Mashhad, Kish Island and Ahwaz
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