Re: Braking

Date:         09 May 97 03:29:01 
From:         hackett@southwind.net (Kim Hackett)
Organization: Your Organization
References:   1
Next article
View raw article
  or MIME structure

>I noticed when I landed at Kai Tak in a CX B747-400 that the pilot
>used the thrust reversers to slow down the aircraft.
>
>When continuing with CX to Frankfurt the same aircraft this time only
>used air brakes (and probably wheel brakes) in order to slow down.
>
>I would imagine that air braking is more gentle to the
>aircraft superstructure. That's why it is used whenever
>possible.
>
>Are there other rules except for runway length that decides which
>braking technique to use?

I would guess that reverse thrust uses fuel; while the spoilers/speedbrakes
operate at no cost.