1 fatal · MITSUBISHI MU-2B-60 · 1990-02-09 · RAPID CITY, SD, USA
Event
NTSB number
DEN90FA055
Event ID
20001212X22539
Type
Accident
Date
1990-02-09
Location
RAPID CITY, SD, USA
Coordinates
44.070594, -103.229591
Injuries
Highest injury
FATL
Fatal
1
Serious
1
Minor
2
Uninjured
0
Total aboard
4
Aircraft
Make
MITSUBISHI
Model
MU-2B-60
Registration
N64MD
FAR Part
135
Engines
2
Damage
SUBS
Conditions
Light
DAYL
Weather
VMC
Probable cause
FAILURE OF THE PILOT TO MAINTAIN ADEQUATE AIRSPEED (VMC), WHICH RESULTED IN A LOSS OF AIRCRAFT CONTROL. A FACTOR RELATED TO THE ACCIDENT WAS: FATIGUE FAILURE OF A COUPLING SHAFT IN THE #1 ENGINE, WHICH RESULTED IN LOSS OF POWER IN THAT ENGINE.