NONE · AEROSPATIALE AS355F1 · 1991-10-29 · BILLINGS, MT, USA
Event
NTSB number
SEA92LA029
Event ID
20001212X18400
Type
Accident
Date
1991-10-29
Location
BILLINGS, MT, USA
Coordinates
45.870731, -108.470985
Injuries
Highest injury
NONE
Fatal
0
Serious
0
Minor
0
Uninjured
3
Total aboard
3
Aircraft
Make
AEROSPATIALE
Model
AS355F1
Registration
N101UC
FAR Part
091
Engines
2
Damage
SUBS
Conditions
Light
NDRK
Weather
VMC
Probable cause
THE UNLATCHING AND SUBSEQUENT OPENING INFLIGHT OF THE LEFT-REAR ENGINE COWL DOOR. A FACTOR CONTRIBUTING TO THE ACCIDENT WAS THE FAILURE OF COMPANY MAINTENANCE PERSONNEL TO EXECUTE THE MANUFACTURER'S SERVICE BULLETIN.