De Havilland DHC-6 Twin Otter crash, Dec 1, 1990 (3 killed)
De Havilland DHC-6 Twin Otter accident on December 1, 1990 near Iran with 3 fatalities.
- Date: December 1, 1990
- Aircraft: De Havilland DHC-6 Twin Otter
- Location: Iran
- Fatalities: 3
- Phase of flight: En route
A de Havilland DHC-6 Twin Otter 300 (EP-IOD) operated on an executive flight crashed in a mountainous area of southern Iran on 1 December 1990 with two crew and one passenger aboard. All three were killed and the aircraft was written off, in circumstances that the sources do not describe.