Beechcraft 60 Duke crash, Jan 2, 1975 (5 killed), Mammoth...
Beechcraft 60 Duke accident on January 2, 1975 near Mammoth Lakes-Yosemite California, United States with 5 fatalities. Cause: The NTSB (report...
- Date: January 2, 1975
- Aircraft: Beechcraft 60 Duke
- Location: Mammoth Lakes-Yosemite California, United States
- Fatalities: 5
- Phase of flight: Takeoff and climb
- Cause: The NTSB (report OAK75AP029) cited inadequate preflight preparation by the pilot, with a propeller overspeed linked to congealed oil and no propeller checks before takeoff.
A Beechcraft Duke on a corporate flight from Mammoth Lakes toward Santa Ana lost both propellers to overspeed in initial climb. It stalled and crashed in flames near the airport, killing all five occupants.