Mitsubishi MU-2 Marquise crash, Apr 23, 1981 (3 killed)
Mitsubishi MU-2 Marquise accident on April 23, 1981 near Alpena-County-Phelps-Collins, Michigan, USA, United States with 3 fatalities.
- Date: April 23, 1981
- Aircraft: Mitsubishi MU-2 Marquise
- Location: Alpena-County-Phelps-Collins, Michigan, USA, United States
- Fatalities: 3
A Mitsubishi MU-2B-20 Marquise (N9JS) crashed during approach near Alpena, Michigan, on 23 April 1981, killing all three people aboard.