Fatal NTSB investigations: Bell UH-1H
17 cases on aircraft the registry lists as Bell UH-1H. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1998 | 2 |
|---|---|
| 1999 | 1 |
| 2000 | 3 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 1 |
| 2005 | 1 |
| 2013 | 1 |
| 2018 | 1 |
| 2020 | 3 |
| 2022 | 2 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
WHERE c.\"highestInjuryLevel\" = 'Fatal'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181407'))
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."highestInjuryLevel" = 'Fatal'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181407'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB CEN22FA317Accident · 4 fatalClass 3 · FieldFinal reportBell UH-1H · Chapelle, NMThe total loss of engine power due to the fatigue failure of the starter-generator input (zerol) gear which failed due to poor maintenance. Contributing to the accident was the unsuccessful autorotation complicated by the setting sun and high density altitude.NTSB WPR22FA098Accident · 1 fatalClass 3 · FieldFinal reportBell UH-1H · Coalinga, CAThe pilot’s loss of situational awareness for reasons that could not be determined given the available evidence, which led to controlled flight into terrain. Contributing to the accident was the pilot’s decision to operate the helicopter while ill and…NTSB WPR20LA280Accident · 1 fatalClass 3 · LimitedFinal reportArrow-Falcon Exporters UH-1H · Coalinga, CAThe pilot’s inability to maintain control of the helicopter due to a hydraulic system failure for reasons that could not be fully determined due to the thermal destruction from the postimpact fire.NTSB WPR20LA211Accident · 1 fatalClass 3 · LimitedFinal reportBell UH1H · Payson, AZA flight control malfunction due to either a hydraulic hardover or a flight control stiffness event, which resulted in a loss of control.NTSB WPR20LA130Accident · 1 fatalClass 3 · LimitedFinal reportBell UH 1H · Mesa, AZAn in-flight separation of the tail rotor gearbox from the airframe due to fatigue failure of the gearbox attachment studs, resulting in a loss of directional control and subsequent ground impact. Contributing to the accident were 1) the improper application…NTSB CEN18FA078Accident · 5 fatalField investigationFinal reportBell UH-1H · Raton, NMThe pilot's failure to maintain adequate altitude above mountainous terrain during cruise flight in dark night conditions, which resulted in controlled flight into terrain.NTSB CEN13FA415Accident · 1 fatalField investigationFinal reportBell UH-1H · Dove Creek, COPilot-induced oscillations caused by the loss of hydraulic assist of the flight controls due to an excessive loss of hydraulic fluid during a critical phase of flight, which resulted in ground impact. Contributing to the accident was an inadequate analysis of…NTSB DFW05WA254Accident · 1 fatalForeign investigationBell UH-1H · Pisa Flores, MexicoNTSB LAX03LA160Accident · 1 fatalLimited investigationFinal reportBell UH-1H · Kahoolawe, HIThe pilot's failure to remove the external load cable before the repositioning flight, which resulted in the cable striking the tail rotor in cruise flight.NTSB SEA02FA108Accident · 1 fatalField investigationFinal reportGarlick UH-1H · Clark Fork, IDA failure of unknown origin in the tail rotor drive assembly. Factors include mountainous terrain unsuitable for an emergency landing.NTSB SEA01LA046Accident · 1 fatalLimited investigationFinal reportWestern International UH-1H · Darby, MTInflight loss of a tail rotor pitch change link-to-blade grip attach bolt, resulting partial loss of tail rotor control, and subsequent entanglement of the helicopter's external load cable with a tree during emergency descent. Factors included the pilot's…NTSB MIA00GA264Accident · 2 fatalFinal reportBell UH-1H · Waynesville, NCAn in-flight encounter with ground level fog due to the pilot's decision to continue VMC flight into instrument conditions, resulting in an in-flight collision with trees.NTSB MIA00GA184Accident · 1 fatalFinal reportBell UH-1H · Fort Myers, FLthe pilot's failure to maintain control of the helicopter for undetermined reasons. Factors in this accident were self-induced pressure and fatigue due to lack of sleep and rest.NTSB NYC00FA136Accident · 1 fatalField investigationFinal reportBell UH-1H · Frenchville, PAForeign object damage to the compressor and turbine sections of the engine, which resulted in a loss of power.NTSB LAX99LA108Accident · 1 fatalLimited investigationFinal reportBell UH-1H · Glenn, CAAn inflight loss of control for undetermined reasons.NTSB LAX99FA057Accident · 1 fatalField investigationFinal reportBell UH-1H · Quincy, CAAn inaccurate exhaust gas temperature gauge, that allowed the engine to be run over-temperature unknowingly by the pilot, which resulted in the subsequent failure of the turbine sections. Also causal was the pilot's failure to maintain rotor RPM during the…NTSB MIA98GA069Accident · 4 fatalFinal reportBell UH-1H · Savannah, TNfailure of the flight crew to maintain sufficient altitude/clearance from the pole and workman. Related factors were: the gusty wind condition, inadequate communication/coordination between the flight crew and ground personnel, and an improper external system…