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Fully Laden 747  
User currently offlineAr385 From , joined Dec 1969, posts, RR:
Posted (10 years 5 months 2 weeks 3 days 11 hours ago) and read 1895 times:
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I always wondered what would happen if a passenger and fuel fully laden in Mexico City 747-400 taking off on RWY 5R or 5L had to abort takeoff at V1? Any ideas?

AR385

4 replies: All unread, jump to last
 
User currently offlineJwenting From , joined Dec 1969, posts, RR:
Reply 1, posted (10 years 5 months 2 weeks 3 days 11 hours ago) and read 1766 times:

if the runway were too short for aborting at v1 the pilot (if he survived) would likely have his license withdrawn for attempting to take off beyond MTOW for the airport.

User currently offlineShenzhen From , joined Dec 1969, posts, RR:
Reply 2, posted (10 years 5 months 2 weeks 3 days 11 hours ago) and read 1725 times:

Since V1 is based on the airplane and airport conditions, probably nothing more then a few tires (tyres) going flat.

User currently offlineB747skipper From , joined Dec 1969, posts, RR:
Reply 3, posted (10 years 5 months 2 weeks 3 days 11 hours ago) and read 1725 times:

Dear Ar385...
xxx
Many airplanes are severely restricted at MEX because of elevation and the temperature. I do not have the figures for the 400, but for a typical 200/300, your maximum takeoff weight would be reduced to some 350,000 kg, while these airplanes are certificated to takeoff at 377,800 at sea level...
xxx
As to making a V1 abort (even taking off at 350,000 kg)... I would say it is definitely not a good idea. Generally, I consider that we are commited for the takeoff as early as V1 - 5 or 10 knots... after that, I would continue...
xxx
What I say is not "me"... It is a Boeing official recommendation...
Happy contrails -
(s) Skipper


User currently offlineAr385 From , joined Dec 1969, posts, RR:
Reply 4, posted (10 years 5 months 2 weeks 2 days 22 hours ago) and read 1455 times:
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B747Skipper

So you are saying the MEX operation of a 747-400 is marginal?

AR385


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