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Deicing procedures

Timeline of events

13:29 - Plane arrives at Washington National Airport as Flight 95

13:38 - Airport closes for snow removal

14:15 - Flight 90 scheduled to depart

14:20 - Maintenance personnel begin deicing procedures

- 10 ft into deicing, captain terminates procedure

14:30 - Passenger boarding begins

15:00 - Captain requests deicing to be resumed

15:15 - Cabin sealed and ramp retracted

15:35 - Plane finished push back

15:38 - Air Florida Flight 90 taxies to runway 36

15:58 - Receives clearance for take-off

16:00 - Flight 90 is on its take-off roll

16:01 - Plane hits the 14th Street Bridge and dives into the Potomac

How?

Why?

Air Investigators report

Where?

Ice on the wings

What?

Thrust reversal

The crew

  • The Pilot: Captain Larry Wheaton
  • The First Officer: Roger Pettit
  • Senior Flight Attendant: Donna Adams
  • Flight Attendant: Kelly Duncan
  • Flight Attendant: Marilyn Nichols

Air Florida today?

What caused things to go wrong?

  • Failed to activate anti-ice system
  • Pilot decided to take off with high amounts of ice on wings
  • Deicing wasn't correctly applied
  • Used reverse thrust

Alive / deceased

Five survivors-

  • Kelly Duncan
  • Joe Stiley
  • Priscilla Tirado
  • Bert Hamilton
  • Patricia Felch

Hero -

  • Arland Williams

Preventative measures put in place

  • Pilot training regulations
  • Improved rescue harnesses
  • A veteran crew member on board the flight at all times
  • First Officers to speak up
  • FAA paid more attention to the lower-cost carriers

Anti-ice systems

Air Florida Flight Palm 90

January 13, 1982

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