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NTSB Report
September 11, 2007 · Bell 206-B2 · N205LT
Rosamond, CA
Overview
Report Status
Final with probable cause
Event Type
Accident
Date
September 11, 2007
Injury Outcomes
1 injury (1 minor injury)
Location
Rosamond, CA
Aircraft
Bell 206-B2
Tail Number
N205LT
Operator
William P Francis
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
SEA07CA258
After hover-taxiing to his normal parking spot in strong gusting variable winds, the pilot landed the helicopter. He then rolled the throttle to flight-idle, frictioned the collective down, started the timing for the required two-minute turbine cool down, and leaned forward to tighten the friction for the cyclic. At that point, the helicopter, which still had considerable energy in its slowing main rotor, was hit by a strong gust of wind. The helicopter became momentarily airborne, and collided with a nearby hangar. According to witnesses, the winds at the airport were gusting between the hangars, resulting in sudden strong gusts coming from varying directions.
NTSB Probable Cause
The pilot's inadequate compensation for gusting variable winds encountered after landing. Factors include gusting, suddenly shifting winds, and a hangar near the spot where the helicopter had landed.
Full Narrative
After hover-taxiing to his normal parking spot in strong gusting variable winds, the pilot landed the helicopter. He then rolled the throttle to flight-idle, frictioned the collective down, started the timing for the required two-minute turbine cool down, and leaned forward to tighten the friction for the cyclic. At that point, the helicopter, which still had considerable energy in its slowing main rotor, was hit by a strong gust of wind. The helicopter became momentarily airborne, and collided with a nearby hangar. According to witnesses, the winds at the airport were gusting between the hangars, resulting in sudden strong gusts coming from varying directions.
Flight
Event TypeAccident
Event Time15:00 PDT
Nearest AirportRosamond Skypark (0nm)
Flight Plan FiledNone
Aircraft FireNo
Aircraft
AircraftBell 206-B2
Tail NumberN205LT
Aircraft CategoryHeli
DamageSubstantial
OperatorWilliam P Francis
Operating RulePart 91
Engines1
Engine TypeTurboshaft
Engine DetailsRolls-Royce · 250-C20 · Turboshaft
People & Injuries
Injury Summary1 injury (1 minor injury)
Fatal0
Serious0
Minor1
Uninjured0
Total1
Crew 1Age 53 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind240° @ 14 kt, gusting 22 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point32 C
Altimeter29.97 inHg
Observation Time22:00