# NTSB investigations: Lycoming VO-540 series, 1968

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 SEA69D0181](https://openairdocs.org/ntsb/SEA69D0181.md): Hiller UH-12E · Brightwood, OR · Accident · No injuries · Closed · Dec 21, 1968 · N3820 · Substantial damage
- [NTSB ANC72DAA36](https://openairdocs.org/ntsb/ANC72DAA36-201689.md): Hiller UH-12E · Stevens Vill, AK · Accident · No injuries · Closed · Dec 7, 1968 · N9743C · Substantial damage
- [NTSB ANC69D0082](https://openairdocs.org/ntsb/ANC69D0082.md): Bell 47J-2 · Barrow, AK · Accident · No injuries · Closed · Dec 3, 1968 · N73960 · Substantial damage
- [NTSB ANC69A0027](https://openairdocs.org/ntsb/ANC69A0027.md): Bell 47G-4A · Kenai, AK · Accident · 1 fatal · Closed · Nov 4, 1968 · N1396X · Destroyed
- [NTSB CHI69F0360](https://openairdocs.org/ntsb/CHI69F0360.md): Bell 47G-4A · Chicago, IL · Accident · No injuries · Closed · Oct 26, 1968 · N4032G · Substantial damage
- [NTSB LAX69A0011](https://openairdocs.org/ntsb/LAX69A0011.md): Bell 47J-2 · Los Angeles, CA · Accident · No injuries · Closed · Aug 12, 1968 · N8432E · 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 OAK69F0075](https://openairdocs.org/ntsb/OAK69F0075.md): Hiller UH-12E · Greenville, CA · Accident · Serious injuries · Closed · Jul 13, 1968 · N90476 · Destroyed
- [NTSB MKC69D0035](https://openairdocs.org/ntsb/MKC69D0035.md): Bell 47G-2A · Crocker, MO · Accident · No injuries · Closed · Jun 21, 1968 · N8484E · Substantial damage
- [NTSB CHI68A0107](https://openairdocs.org/ntsb/CHI68A0107.md): Bell 47J-2 · Rice Lake, WI · Accident · 1 fatal · Closed · Jun 14, 1968 · N73258 · Destroyed
- [NTSB MIA69F0004](https://openairdocs.org/ntsb/MIA69F0004.md): Hiller UH-12 · Manati, PR · Accident · Serious injuries · Closed · May 17, 1968 · N9790C · Destroyed
- [NTSB ANC68A0045](https://openairdocs.org/ntsb/ANC68A0045.md): Hiller UH-12E · Wrangell, AK · Accident · No injuries · Closed · Mar 31, 1968 · N5352V · Substantial damage
- [NTSB FTW68A0084](https://openairdocs.org/ntsb/FTW68A0084.md): Brantly 305 · Orange, TX · Accident · 1 fatal · Closed · Mar 30, 1968 · N2212U · Destroyed
- [NTSB LAX68A0080](https://openairdocs.org/ntsb/LAX68A0080.md): Hiller UN-12L · Windna, AZ · Accident · Minor injuries · Closed · Feb 27, 1968 · N9780C · Substantial damage
- [NTSB LAX68A0067](https://openairdocs.org/ntsb/LAX68A0067.md): Hiller UH12L4 · Cucamonga, CA · Accident · Serious injuries · Closed · Jan 15, 1968 · N90483 · 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 year(c."eventDate") = 1968
  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&year=1968

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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.