Cessna172RG From United States of America, joined Aug 2000, 750 posts, RR: 0
Reply 2, posted (11 years 8 months 2 weeks 5 days 7 hours ago) and read 2704 times:
Well, I do it in Cessnas all the time...
But yeah, I have seen many JAS A300s (now JAL) perform that very same maneuver, but I think that it is type related. I have flown in several A319s and a few A320s, and the flaps and slats both go down.
MD80Nut From United States of America, joined Jul 2003, 1024 posts, RR: 8
Reply 3, posted (11 years 8 months 2 weeks 5 days 5 hours ago) and read 2577 times:
I've flown on A300s many times and several of them took off without flaps extended, just the leading edge slats. The wings are so efficient that when conditions are right, like a lighter load or cool weather, they can take off in that configuration.
I experienced this on both A300B4 and -600R variants.
Buslover From Germany, joined Jan 2004, 109 posts, RR: 0
Reply 4, posted (11 years 8 months 2 weeks 5 days 5 hours ago) and read 2535 times:
OK here is the explanation:
There are three S/F positions (Slat/Flap) for T/O:
1) Slats 15 = Slats (only) extended
2) Flaps 15 = Slats fully extended and flaps to 15°
3) Flaps 20 = Slats fully extended and flaps to 20°
The crews usually select the optimum T/O position which is (I admit a little simplified for all the laymen around:
The higher the temperature is and
the higher the airport elevation is and
the longer the runway is
the lesser S/F position is selected