Philippine Airlines Flight 421
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| Summary | |
|---|---|
| Date | April 18, 1977 |
| Type | Takeoff Accident |
| Site | Tokyo Haneda International Airport, Tokyo, Japan |
| Passengers | 140 |
| Crew | 13 |
| Fatalities | 0 |
| Survivors | 140 (all) |
| Aircraft type | McDonnell Douglas DC-8-53 |
| Aircraft name | PR421 |
| Operator | Philippine Airlines |
| Tail number | RP-C803[1] |
| Flight origin | Tokyo Haneda International Airport, Tokyo, Japan |
| Destination | Manila Ninoy Aquino International Airport Airport, Manila, Philippines |
Philippine Airlines Flight 421 was a scheduled passenger flight from Tokyo's Haneda Airport to Manila Ninoy Aquino International Airport which veered off the runway at Tokyo during it's take-off phase.[1]
[edit] Accident
At approximately 15:22 on April 18, 1977, Philippine Airlines Flight 421 ran off runway 15L at Tokyo's Haneda Airport during it's take-off phase. The aircraft banked to the left and touched down again, veered off the runway and continued for 800 meters off the runway before coming to a stop. There were no fatalities among the aircraft's crew and passengers. The aircraft, a McDonnell Douglas DC-8-53 with tail number RP-C803 was destroyed during the incident and subsequently retired from service (written-off).[1]
[edit] Cause
According to final reports of the accident, the probable cause for this accident was due to a faulty Left elevator geared tab drive arm and elevator gust lock crank which failed during the take-off phase of the Philippine Airlines McDonnell Douglas DC-8-53.[1]
