PPRuNe Forums - View Single Post - PIA A320 Crash Karachi
View Single Post
Old 4th Jul 2020, 10:10
  #1583 (permalink)  
FlightDetent

Only half a speed-brake
 
Join Date: Apr 2003
Location: Commuting not home
Age: 46
Posts: 4,321
Received 3 Likes on 3 Posts
Most likely not. Given the inherent and regulatory margins, over-running the runway with a modern-day airliner requires substantial effort.

History suggests these usual suspects:
- runway is short (less than 2000 m)
- runway is slippery
- the braking effectiveness of the aircraft is significantly reduced
- touchdown is achieved well further than 2x the normal point (not to be confused with runway "touchdown zone")
- significant extra speed is carried for the landing, 20% or more.

Evidence shows satisfying 2 of the above is not enough to mowe the lawn. 3 will do, 50:50 and with 4 all you can do is wait for the final investigation report.

Last edited by FlightDetent; 4th Jul 2020 at 14:02.
FlightDetent is offline