Pilatus PC-6 (Porter & Turbo Porter) crash, Oct 5, 1977 (5 killed)
Pilatus PC-6 (Porter & Turbo Porter) accident on October 5, 1977 near Oklahoma City-Wiley Post Oklahoma, United States with 5 fatalities.
- Date: October 5, 1977
- Aircraft: Pilatus PC-6 (Porter & Turbo Porter)
- Location: Oklahoma City-Wiley Post Oklahoma, United States
- Fatalities: 5
- Phase of flight: Takeoff and climb
A Pilatus PC-6 Porter lost speed and height just after liftoff at Oklahoma City-Wiley Post during a demonstration flight and crashed in flames. All five occupants died.