Helio H-550A Stallion crash, Apr 17, 1975 (4 killed), Tra...
Helio H-550A Stallion accident on April 17, 1975 near Trat Trat, Thailand with 4 fatalities.
- Date: April 17, 1975
- Aircraft: Helio H-550A Stallion
- Location: Trat Trat, Thailand
- Fatalities: 4
- Phase of flight: En route
A Royal Cambodian Air Force Helio Stallion crashed into the sea while descending toward Trat, killing all four people aboard. The cause is unknown and no official investigation report was found.