De Havilland DHC-6 Twin Otter crash, Jul 21, 1989 (3 killed)
De Havilland DHC-6 Twin Otter accident on July 21, 1989 near Porgera, Enga, Papua New Guinea with 3 fatalities.
- Date: July 21, 1989
- Aircraft: De Havilland DHC-6 Twin Otter
- Location: Porgera, Enga, Papua New Guinea
- Fatalities: 3
- Phase of flight: Approach and landing
A De Havilland DHC-6 Twin Otter 300 on a scheduled Mount Hagen to Porgera flight struck trees on final approach to Porgera Airfield and crashed in dense forest. Three people died, including both pilots, and 19 others were injured.