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NTSB Report
January 20, 2009 · Md Helicopter 369E · N369PD
Atlanta, GA
Overview
Report Status
Final with probable cause
Event Type
Accident
Date
January 20, 2009
Injury Outcomes
No injuries (1 uninjured)
Location
Atlanta, GA
Aircraft
Md Helicopter 369E
Tail Number
N369PD
Operator
City of Atlanta Police Department
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ERA09CA138
The helicopter pilot was informed before landing about the wind direction and velocity (330 degrees at 18 knots with gusts to 28 knots). After an uneventful landing he began shutdown of the helicopter. He applied down collective and friction, and following a 2-minute cooldown period for the engine he closed the throttle and guarded the cyclic control. When the main rotor was at 200 rpm, he felt a wind gust from the right side of the helicopter and then heard a loud sound. He applied the rotor brake and exited the helicopter after the main rotor blades stopped. At that time he noted damage to the main rotor blades and also to the tailboom.
NTSB Probable Cause
Wind gusts during engine shutdown, which resulted in the main rotor blades contacting the tailboom.
Full Narrative
The pilot of the MD Helicopter 369E was informed before landing about the wind direction and velocity (330 degrees at 18 knots with gusts to 28 knots). After an uneventful landing the co-pilot exited the helicopter and he began shutdown of the helicopter. He applied down collective and friction, and following a 2-minute cool down period for the engine, he closed the throttle and guarded the cyclic control. When the main rotor was at 200 rpm, he felt a wind gust from the right side of the helicopter and then heard a loud sound. He applied the rotor brake and exited the helicopter after the main rotor blades stopped. At that time he noted damage to the main rotor blades and also to the tailboom.
Flight
Event TypeAccident
Event Time14:30 EST
Nearest AirportHartsfield-Jackson Atlanta Int (0nm)
Flight Plan FiledNone
Flight Plan ActivatedNo
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftMd Helicopter 369E
Tail NumberN369PD
Aircraft CategoryHeli
DamageSubstantial
OperatorCity of Atlanta Police Department
Operating RulePart 91
Engines1
Engine TypeTurboshaft
Engine DetailsAllison · 250-C20 SER · Turboshaft · 420
Seats4
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 36 · First Class · None
Conditions
ConditionsVMC
LightDaylight
Wind310° @ 23 kt, gusting 29 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point30 C / 12 C
Altimeter29.87 inHg
Observation Time19:52
Weather SourceWFAC