# NTSB investigations: Lycoming VO-540 series, ID

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 SEA00TA013](https://openairdocs.org/ntsb/SEA00TA013.md): Hiller UH-12E · Stites, ID · Accident · Serious injuries · Final report · Nov 2, 1999 · N5388V · Substantial damage
  > Inadequate inspection of the control rotor cuff by a company mechanic and subsequent fatigue fracture of the cuff, resulting in an inflight separation of the control rotor blade. Factors contributing to the accident were: inadequate quality control during…
- [NTSB SEA97LA174](https://openairdocs.org/ntsb/SEA97LA174.md): Bell 47G-3B1 · Idaho Falls, ID · Accident · No injuries · Limited investigation · Final report · Jul 22, 1997 · N3069G · Substantial damage
  > The pilot-in-command's failure to verify the proper chemical and fuel load aboard prior to takeoff. Factors contributing to the accident were: excessive fuel and chemical loading by ground personnel, tailwind conditions, and high density altitude.
- [NTSB SEA77DYA24](https://openairdocs.org/ntsb/SEA77DYA24.md): Hiller Acft UH-12E · Blackfoot, ID · Accident · No injuries · Closed · Jun 6, 1977 · N143HA · Substantial damage
- [NTSB SEA75FYA28](https://openairdocs.org/ntsb/SEA75FYA28.md): Hiller Acft UH-12E · Hammett, ID · Accident · No injuries · Closed · Jan 20, 1975 · N7755 · Substantial damage
- [NTSB SEA74DVA09](https://openairdocs.org/ntsb/SEA74DVA09.md): Hiller UH-12E · S.Glenns Ferry, ID · Accident · No injuries · Closed · Aug 26, 1973 · N7755 · Substantial damage
- [NTSB SEA72DYA07](https://openairdocs.org/ntsb/SEA72DYA07.md): Hiller UH12-E · Bliss, ID · Accident · No injuries · Closed · Jul 23, 1971 · N5345V · Substantial damage
- [NTSB SEA69D0043](https://openairdocs.org/ntsb/SEA69D0043.md): Hiller UH-12E · Rockford, ID · Accident · No injuries · Closed · Jul 27, 1968 · N4414 · Substantial damage
- [NTSB SEA67A0060](https://openairdocs.org/ntsb/SEA67A0060.md): Hiller UH-12E · Orofino, ID · Accident · No injuries · Closed · Apr 21, 1967 · N5388V · Substantial damage

## 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" = 'ID' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41534', '41582'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41534&state=ID

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.