Anyone know what happened at EWR last evening???
04-10-2007 | 10:10 AM
#11
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From: A-320
04-10-2007 | 03:03 PM
#12
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From: Retired 121 pilot
Doesn't matter how short the runway at LGA is. V1 is adjusted for all criteria- weight, thrust, aircraft performance, runway condition, gradient, braking action, and runway length.
As long as you calculate V1 correctly and perform the appropriate abort/go decision and procedure in a timely manner, you will be protected (provided that the variables upon which V1 is calculated are all correct and the operating engine is producing the charted thrust).
As long as you calculate V1 correctly and perform the appropriate abort/go decision and procedure in a timely manner, you will be protected (provided that the variables upon which V1 is calculated are all correct and the operating engine is producing the charted thrust).
Of course many of the calculations come from the certification process where the pilots know they are going to have an aborted takeoff, the tires are new, the brakes are also new - and cool.
I remember a USAir 737-300 sitting in the water at LGA due to an aborted takeoff on 31 (1989 or so). As I recall, all of their calculations were correct.
The book doesn't take care of all variables in the real world.
04-10-2007 | 03:31 PM
#13
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From: B-737NG preferably in first class with a glass of champagne and caviar
It does if you don't abort well beyond V1 in the case of the USAir flight.
04-10-2007 | 03:44 PM
#14
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From: Directly behind the combiner
So then runway excursions should never happen.
Of course many of the calculations come from the certification process where the pilots know they are going to have an aborted takeoff, the tires are new, the brakes are also new - and cool.
I remember a USAir 737-300 sitting in the water at LGA due to an aborted takeoff on 31 (1989 or so). As I recall, all of their calculations were correct.
The book doesn't take care of all variables in the real world.
SikPilot implied that the numbers themselves would lie. He said that some numbers would say the airplane would not be able to stop on the runway at LGA.
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