New Landing Requirements?

[FM2436]

Questions for air carrier (Part 121) pilots. As I read this article, it sounds like the investgating agency (likely NTSB) is recommeding that runway landing requirements be calcuated with only the aircarft's brakes being able to stop a passenger jet and not be calcuated with a combination of thrust reversers and brakes? If correct, wouldn't that require longer runways at many air carrier airports!

http://yahoo.reuters.com/financeQuoteCompa...27328866_newsml

 

[320driver]

Questions for air carrier (Part 121) pilots. As I read this article, it sounds like the investgating agency (likely NTSB) is recommeding that runway landing requirements be calcuated with only the aircarft's brakes being able to stop a passenger jet and not be calcuated with a combination of thrust reversers and brakes? If correct, wouldn't that require longer runways at many air carrier airports!

http://yahoo.reuters.com/financeQuoteCompa...27328866_newsml

Aircraft Stopping Distance is not Calculated for reverse thrust only actual braking is used for performance that is why you can MEL thrust reverser it is more of a added feature.

 

[PHL]

Is this because they want to assume the thrust reversers won't deploy and the plane has to stop on it's own? I would think that is already regulation, but perhaps not....

 

[PoorPropDriver]

Is this because they want to assume the thrust reversers won't deploy and the plane has to stop on it's own? I would think that is already regulation, but perhaps not....

FAR 121.195 (excerpted)

(B) Except as provided in paragraph ©, (d), or (e) of this section, no person operating a turbine engine powered airplane may take off that airplane unless its weight on arrival, allowing for normal consumption of fuel and oil in flight (in accordance with the landing distance set forth in the Airplane Flight Manual for the elevation of the destination airport and the wind conditions anticipated there at the time of landing), would allow a full stop landing at the intended destination airport within 60 percent of the effective length of each runway described below from a point 50 feet above the intersection of the obstruction clearance plane and the runway. For the purpose of determining the allowable landing weight at the destination airport the following is assumed:

(1) The airplane is landed on the most favorable runway and in the most favorable direction, in still air.

(2) The airplane is landed on the most suitable runway considering the probable wind velocity and direction and the ground handling characteristics of the airplane, and considering other conditions such as landing aids and terrain.

 

[autofixer]

U does not include reversers for landing distance...brakes and spoilers only.

 

[pit_needs_help]

U does not include reversers for landing distance...brakes and spoilers only.

I believe in the Southwest case they did use the thrust reverser calculation and figured that into the decision. Usairways does not have that option.