De Havilland DHC-6 Twin Otter crash, May 25, 1987 (7 killed)
De Havilland DHC-6 Twin Otter accident on May 25, 1987 near Ilaga, Special Region of West Papua, Indonesia with 7 fatalities.
- Date: May 25, 1987
- Aircraft: De Havilland DHC-6 Twin Otter
- Location: Ilaga, Special Region of West Papua, Indonesia
- Fatalities: 7
- Phase of flight: Approach and landing
On 25 May 1987 a De Havilland Twin Otter 100 (PK-MAM) on a flight from Wamena crashed while approaching Ilaga in Papua, Indonesia, killing seven of the 30 people aboard. Heavy rain is reported at the time, and the cause was still under investigation.