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Fully Laden 747  
User currently offlineAr385 From Mexico, joined Nov 2003, 6596 posts, RR: 35
Posted (11 years 1 month 2 weeks 1 day 19 hours ago) and read 1995 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 Netherlands, joined Apr 2001, 10213 posts, RR: 19
Reply 1, posted (11 years 1 month 2 weeks 1 day 18 hours ago) and read 1866 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if the runway were too short for aborting at v1 the pilot (if he survived) would likely have his license withdrawn for attempting to take off beyond MTOW for the airport.


I wish I were flying
User currently offlineShenzhen From United States of America, joined Jun 2003, 1712 posts, RR: 2
Reply 2, posted (11 years 1 month 2 weeks 1 day 18 hours ago) and read 1825 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 (11 years 1 month 2 weeks 1 day 18 hours ago) and read 1825 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 Mexico, joined Nov 2003, 6596 posts, RR: 35
Reply 4, posted (11 years 1 month 2 weeks 1 day 5 hours ago) and read 1555 times:
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B747Skipper

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

AR385


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