Tower Air - Boeing - B747-136 (N-605FF) flight TOW41

Tower Air – Boeing – B747-136 (N-605FF) flight TOW41

Tower Air - Boeing - B747-136 (N-605FF) flight TOW41
Ground path of Tower Air B747-136 (N-605FF) flight TOW41

Tower Air flight TOW41 : on December 20, 1995, at 1136, Tower Air flight 41, a Boeing B-747, veered off the left side of runway 4L during an attempted takeoff at John F. Kennedy International Airport (JFK), Jamaica, New York.

The flight was a regularly scheduled passenger/cargo flight conducted under the provisions of Title 14 Code of Federal Regulations (CFR) Part 121. Of the 468 persons aboard (451 passengers, 12 cabin crewmembers, 3 flightcrew members, and 2 cockpit jumpseat occupants), 24 passengers sustained minor injuries, and a flight attendant received serious injuries.

Tower Air flight TOW41 sustained substantial damage. The weather at the time of the accident was partially obscured, with a 700-foot broken cloud ceiling, 10 mile visibility, light snow, and fog.

The National Transportation Safety Board determines that the probable cause of the Tower Air flight TOW41 accident was the captain’s failure to reject the takeoff in a timely manner when excessive nosewheel steering tiller inputs resulted in a loss of directional control on a slippery runway.

Tower Air flight TOW41 : “current Boeing 747 flight manual guidance is inadequate about when a pilot should reject a takeoff following some indication of a lack of directional control response”.

Inadequate Boeing 747 slippery runway operating procedures developed by Tower Air, Inc., and the Boeing Commercial Airplane Group and the inadequate fidelity of B-747 flight training simulators for slippery runway operations contributed to the cause of this accident.

The captain’s reapplication of forward thrust before the airplane departed the left side of the runway contributed to the severity of the runway excursion and damage to the airplane.

The safety issues discussed in this report include :

  • the adequacy of Boeing and air carrier procedures for B-747 operations on slippery runways
  • adequacy of flight simulators for training B-747 pilots in slippery runway operations
  • security of galley equipment installed on transport category aircraft
  • role of communications among flight attendants and between the cabin crew and the flightcrew
  • adequacy of Tower Air galley security training; compliance of Tower Air’s maintenance department with its established procedures
  • failure of the FDR system to function during the accident
  • adequacy of the Tower Air operational management structure
  • adequacy of FAA surveillance and workload imposed on POIs
  • adequacy of runway friction measurement requirements, including correlation of runway friction measurements with aircraft braking and ground handling performance.

 

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accident date: 20/12/1995
operator: TOWER AIR
make: BOEING
model: B747-136
registration: N-605FF
msn: 20271
location: New York JFK, USA
flight number: TOW41

Category: Aviation Accident

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