Fatal NTSB investigations: Hiller UH-12E
20 cases on aircraft the registry lists as Hiller UH-12E. 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
| 1964 | 1 |
|---|---|
| 1966 | 1 |
| 1968 | 1 |
| 1971 | 1 |
| 1975 | 1 |
| 1977 | 2 |
| 1978 | 1 |
| 1979 | 1 |
| 1981 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 1 |
| 1993 | 2 |
| 1994 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 2010 | 1 |
| 2015 | 1 |
Where
Latest 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 ('4360122', '4360137'))
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 ('4360122', '4360137'))
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 WPR15LA168Accident · 1 fatalLimited investigationFinal reportHiller UH 12E · Wasco, CAAn in-flight impact with terrain for reasons that could not be determined based on available evidence.NTSB WPR10FA440Accident · 3 fatalField investigationFinal reportHiller UH 12E · Kamiah, IDIn-flight impact of a passenger's metal clipboard with the helicopter’s tail rotor, which resulted in destruction of the tail rotor and subsequent loss of control of the helicopter. The original location of the clipboard and how it became free could not be…NTSB SEA99FA013Accident · 1 fatalField investigationFinal reportHiller UH-12E · Marshall, WAThe loss of the bolt that connects the lateral cyclic linkage push rod to the lower end of the upper firewall-mounted lateral cyclic linkage bellcrank, resulting in an uncontrolled descent into the terrain.NTSB SEA97LA117Accident · 1 fatalLimited investigationFinal reportHiller UH-12E · Miltonfreewater, ORThe main rotor blade separated due to fatigue. Factors were: an Airworthiness Directive was not properly performed, and inadequate inspection of the main rotor blades.NTSB CHI94LA191Accident · 1 fatalLimited investigationFinal reportHiller HU-12E · Watertown, SDthe pilot's failure to maintain a visual lookout. A factor associated with the accident was the powerlines.NTSB DEN93FA033Accident · 3 fatalField investigationFinal reportHiller UH-12E · Applegate, ORThe pilot initiating flight into known adverse weather. Factors were: low ceiling, fog, and turbulence.NTSB SEA93GA052Accident · 1 fatalFinal reportHiller UH-12E · Chinook, MTInattentive FBO personnel.NTSB NYC88DGM01Accident · 1 fatalFinal reportHiller UH-12E · Lovely, PAThe undetermined loss of engine power while performing low level aerial application operations.NTSB SEA87FA106Accident · 1 fatalField investigationFinal reportHiller UH-12E · Shelton, WAThe pilot was properly certificated for the flight; however, due to operator insurance restrictions, all prior commercial flights had required the owner/operator to accompany this pilot, therefore this was the pilot's first commercial flight as sole pilot.…NTSB SEA86FA039Accident · 1 fatalField investigationFinal reportHiller-Soloy UH-12E · Horton, ORThe fork connecting the rotorcraft's blue blade to the main rotor hub separated after a long term fatigue crack had spread through more than 60% of the fork circumference. The operator failed to carry out the appropriate inspection of the fork unit as…NTSB SEA81FA053Accident · 3 fatalClosedSoloy UH-12E · Riggins, IDNTSB LAX79FUK10Accident · 1 fatalClosedHiller UH-12E · Somerton, AZNTSB SEA78FYK06Accident · 1 fatalClosedHiller UH-12E · Reedsport, ORNTSB ANC77FA063Accident · 1 fatalClosedHiller 12EJ3 · Ketchikan, AKNTSB LAX77FA039Accident · 1 fatalClosedHiller UH-12E · Thermal, CANTSB ANC76AA021Accident · 2 fatalClosedHiller Acft UH-12E · Painter Creek, AKNTSB SEA72FYE03Accident · 1 fatalClosedHiller 12E · Skykomish, WANTSB ANC69A0016Accident · 2 fatalClosedHiller UH-12E · Ketchikan, AKNTSB LAX67A0050Accident · 1 fatalClosedHiller UH-12E · Castaic, CANTSB UNK65X0380Accident · 1 fatalClosedHiller UH12E · Bond, CO