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NTSB Report
October 18, 2019 · Bell 47G 5 · N7060J
King City, CA
Overview
Report Status
Final with probable cause
Event Type
Accident
Date
October 18, 2019
Injury Outcomes
1 injury (1 minor injury)
Location
King City, CA
Aircraft
Bell 47G 5 (1970)
Tail Number
N7060J
Operator
Wilbur-Ellis
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
GAA20CA034
The helicopter pilot reported that, while conducting an agricultural application flight, he planned to fly over the top of a power pole. He applied full-up collective to climb over the pole, but the helicopter struggled to gain altitude. He added that, after the helicopter cleared the pole, the main rotor speed reduced and the helicopter "quit flying," so he decided to conduct a run-on landing on the field. The helicopter landed hard, and the main rotor blades struck the tailboom. The helicopter sustained substantial damage to the tailboom. The pilot reported that there were no preaccident mechanical failures or malfunctions with the helicopter that would have precluded normal operation.
NTSB Probable Cause
The pilot's failure to maintain a proper descent rate, which resulted in a hard landing and the main rotor blades striking the tailboom.
Full Narrative
The helicopter pilot reported that, while conducting an agricultural application flight, he planned to fly over the top of the power pole. He applied full up collective to climb over the power lines, but the helicopter struggled to gain altitude. After clearing the pole, the main rotor speed got slow, the helicopter "quit flying", and he decided to conduct a run on landing on the field. The helicopter landed hard and the main rotor blades struck the tailboom. The helicopter sustained substantial damage to the tailboom. The pilot reported that there were no preaccident mechanical failures or malfunctions with the helicopter that would have precluded normal operation.
Flight
Event TypeAccident
Event Time07:42 PDT
Nearest AirportMesa Del Rey (2nm SSE)
Flight Plan FiledNone
Flight Plan ActivatedNo
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftBell 47G 5
Tail NumberN7060J
Aircraft CategoryHeli
DamageSubstantial
OperatorWilbur-Ellis
Operating RulePart 137
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · VO-435-B1A · Reciprocating · 265
Seats2
People & Injuries
Injury Summary1 injury (1 minor injury)
Fatal0
Serious0
Minor1
Uninjured0
Total1
Crew 1Age 65 · Second Class · Minor
Conditions
ConditionsVMC
LightDaylight
WindCalm
Visibility9 sm
CeilingNone
Temperature / Dew Point46 / 43 C
Altimeter30.06 inHg
Observation Time14:53
Weather SourceWFAC