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NTSB Report
February 18, 2018 · Sikorsky S76 C · N860AL
New Iberia, LA
Overview
Report Status
Final with probable cause
Event Type
Accident
Date
February 18, 2018
Injury Outcomes
No injuries (5 uninjured)
Location
New Iberia, LA
Aircraft
Sikorsky S76 C (2002)
Tail Number
N860AL
Operator
Bristow Us
Injuries
None
Aircraft Damage
Substantial
NTSB Number
GAA18CA138
The pilot reported that, while the copilot was taxiing the wheel-equipped helicopter to the runway for departure, he saw a "bump" on the concrete. The copilot reported that he attempted to stop before the "bump," which turned out to be a pothole, but the helicopter struck the pothole with the right main landing gear, which collapsed. The pilot and the copilot both reported that the taxi speed was less than 5 knots. The helicopter sustained substantial damage to the internal fuselage structure. The Director of Operations reported that there were no preaccident mechanical failures or malfunctions with the helicopter that would have precluded normal operation.
NTSB Probable Cause
The helicopter’s striking of a pothole while taxiing, which resulted in the right main landing gear collapsing.
Full Narrative
The pilot reported that while the co-pilot was taxiing the wheel-equipped helicopter to the runway for departure, he saw a "bump" on the concrete. The co-pilot reported that he attempted to stop before the "bump", which turned out to be a pothole, but the helicopter struck the pothole with the right main landing gear, which collapsed. The pilot and the co-pilot both reported that the taxi speed was less than 5 knots. The helicopter sustained substantial damage to the internal fuselage structure. The Director of Operations reported that there were no preaccident mechanical failures or malfunctions with the helicopter that would have precluded normal operation.
Flight
Event TypeAccident
Event Time09:15 CST
Nearest AirportAcadiana Rgnl (0nm ESE)
Flight Plan FiledIFR
Flight Plan ActivatedYes
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftSikorsky S76 C
Tail NumberN860AL
Aircraft CategoryHeli
DamageSubstantial
OperatorBristow Us
Operating RulePart 135
Engines2
Engine TypeTurboshaft
Engine DetailsSafran · Arriel 2S1 · Turboshaft · 794 | Safran · Arriel 2S1 · Turboshaft · 794
Seats14
People & Injuries
Injury SummaryNo injuries (5 uninjured)
Fatal0
Serious0
Minor0
Uninjured5
Total5
Crew 1Age 51 · First Class · None
Crew 2Age 50 · First Class · None
Conditions
ConditionsIMC
LightDaylight
Wind120° @ 7 kt
Visibility4 sm
CeilingOvercast 300 ft
Temperature / Dew Point64 F / 63 F
Altimeter30.20 inHg
Observation Time15:27
Weather SourceWFAC