# NTSB investigations: Bell UH-1H, CA

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB WPR24LA030](https://openairdocs.org/ntsb/WPR24LA030.md): Arrow Falcon Exporters UH-1H · Firebaugh, CA · Accident · No injuries · Class 3 · Limited · Final report · Nov 4, 2023 · N3053Q · Substantial damage
  > An on-ground fuel fire for reasons that could not be determined due to extensive thermal damage.
- [NTSB WPR22FA098](https://openairdocs.org/ntsb/WPR22FA098.md): Bell UH-1H · Coalinga, CA · Accident · 1 fatal · Class 3 · Field · Final report · Feb 17, 2022 · N72297 · Substantial damage
  > The 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 WPR20LA280](https://openairdocs.org/ntsb/WPR20LA280.md): Arrow-Falcon Exporters UH-1H · Coalinga, CA · Accident · 1 fatal · Class 3 · Limited · Final report · Aug 19, 2020 · N711GH · Destroyed
  > The 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 WPR18LA206](https://openairdocs.org/ntsb/WPR18LA206.md): Bell UH 1H · Oakdale, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 24, 2018 · N107CH · Substantial damage
  > The pilot's loss of control during a precautionary landing following an abnormal noise in-flight, the source of which could not be determined.
- [NTSB GAA18CA107](https://openairdocs.org/ntsb/GAA18CA107.md): Bell UH 1H · Van Nuys, CA · Accident · No injuries · Data collection · Final report · Jan 12, 2018 · N205KS · Substantial damage
  > The pilot’s failure to maintain clearance from a stationary helicopter during landing. Contributing to the accident was the ground crew’s failure to ensure that the helicopter would clear the stationary helicopter.
- [NTSB WPR10TA318](https://openairdocs.org/ntsb/WPR10TA318.md): Bell UH-1H · Santa Barbara, CA · Accident · No injuries · Final report · Jun 24, 2010 · N205KS · Substantial damage
  > The failure of left tailboom upper attachment fitting as a result of fatigue.
- [NTSB LAX04TA018](https://openairdocs.org/ntsb/LAX04TA018.md): Bell UH-1H · Sacramento, CA · Accident · No injuries · Final report · Oct 15, 2003 · N114FD · Substantial damage
  > The loss of engine power due to the fatigue failure of a planetary reduction gear.
- [NTSB LAX99LA108](https://openairdocs.org/ntsb/LAX99LA108.md): Bell UH-1H · Glenn, CA · Accident · 1 fatal · Limited investigation · Final report · Feb 21, 1999 · N6258Z · Destroyed
  > An inflight loss of control for undetermined reasons.
- [NTSB LAX99FA057](https://openairdocs.org/ntsb/LAX99FA057.md): Bell UH-1H · Quincy, CA · Accident · 1 fatal · Field investigation · Final report · Dec 23, 1998 · N4590 · Destroyed
  > An 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 LAX97TA289](https://openairdocs.org/ntsb/LAX97TA289.md): Bell UH-1H · Tahoe City, CA · Accident · Minor injuries · Final report · Aug 15, 1997 · N205DF · Substantial damage
  > The pilot's decision to attempt a takeoff in environmental conditions which exceeded the helicopter's performance capability, and his improper use of the collective, which caused a decay of the main rotor rpm, the collision with the lake, and the subsequent…
- [NTSB LAX96TA298](https://openairdocs.org/ntsb/LAX96TA298.md): Bell UH-1H · Ukiah, CA · Accident · No injuries · Final report · Aug 7, 1996 · N499DF · Substantial damage
  > the commercial/student pilot's improper/abrupt use of aft cyclic during the flare, and the instructor's inadequate supervision of the flight.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA'
  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
```

This list as a web page: https://openairdocs.org/ntsb?model=1181407&state=CA

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