1 fatal · Bell 206B · 1999-04-01 · GRAND CANYON, AZ, USA
Event
NTSB number
LAX99FA136
Event ID
20001205X00484
Type
Accident
Date
1999-04-01
Location
GRAND CANYON, AZ, USA
Coordinates
36.030826, -112.019752
Injuries
Highest injury
FATL
Fatal
1
Serious
1
Minor
0
Uninjured
0
Total aboard
2
Aircraft
Make
Bell
Model
206B
Registration
N992UC
FAR Part
091
Engines
1
Damage
DEST
Conditions
Light
DAYL
Weather
VMC
Probable cause
The failure of the flight crew to properly preflight the helicopter and to detect and remove accumulated snow from the engine inlets and plenum chamber. Factors in the accident were the clouded plenum chamber inspection window and the failure of preceding flight crew to install the engine inlet covers in accordance with the operator's procedure.