Rockwell Gulfstream 690C Jetprop 840 crash, Oct 11, 1990 (3 killed)
Rockwell Gulfstream 690C Jetprop 840 accident on October 11, 1990 near Arctic Ocean, World with 3 fatalities.
- Date: October 11, 1990
- Aircraft: Rockwell Gulfstream 690C Jetprop 840
- Location: Arctic Ocean, World
- Fatalities: 3
- Phase of flight: En route
A Rockwell Gulfstream 690C Jetprop 840 (N45Q) operated by Alaska Helicopters on a US Department of the Interior polar bear survey flight disappeared on 11 October 1990 after radar contact was lost about 200 miles north-northwest of Deadhorse, Alaska. The pilot and two passengers are presumed killed, and neither the aircraft nor the occupants were found.