# NTSB investigations: Lycoming IGO-540-B1A

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 ANC97LA158](https://openairdocs.org/ntsb/ANC97LA158.md): Pilatus PC-6-350 · Palmer, AK · Accident · No injuries · Limited investigation · Final report · Sep 30, 1997 · N4911 · Substantial damage
  > An underspeed of the propeller system.
- [NTSB NYC87DNC03](https://openairdocs.org/ntsb/NYC87DNC03.md): Aero Commander 680 · Barre, VT · Accident · No injuries · Final report · Dec 3, 1986 · N6375U · Substantial damage
  > Witness observed the acft touchdown about 2000 feet down 5001 foot rwy. The rwy was reported wet and icy in spots at the north end only. The acft overran the rwys end and went down into a ravine about 25 ft below rwy level. There was no indication of…
- [NTSB ATL84LA142](https://openairdocs.org/ntsb/ATL84LA142.md): Aero Commander 560F · Hilton, SC · Accident · No injuries · Limited investigation · Final report · Apr 7, 1984 · N6368U · Substantial damage
  > The acft was landed with the gear retracted. The nose gear light indicating down remained'on' at all itmes but had no bearing on the landing gear extension/retraction system. The plt did not report using a checklist or lowering the landing gear. The landing…
- [NTSB FTW81DRD12](https://openairdocs.org/ntsb/FTW81DRD12.md): Aero Comdr 560C · Brownsville, TX · Accident · No injuries · Closed · Jan 23, 1981 · N4385 · Destroyed
- [NTSB MIA81DKT10](https://openairdocs.org/ntsb/MIA81DKT10.md): Aero Comdr 560F · Naples, FL · Accident · No injuries · Closed · Nov 18, 1980 · N444R · Destroyed
- [NTSB DEN79FTE12](https://openairdocs.org/ntsb/DEN79FTE12.md): Aero Comm 680F · Lajunta, CO · Accident · No injuries · Closed · Dec 12, 1978 · N11VM · Substantial damage
- [NTSB MIA78FLD38](https://openairdocs.org/ntsb/MIA78FLD38.md): Aero Comdr 560 · Holopaw, FL · Accident · No injuries · Closed · Apr 22, 1978 · N36JH · Destroyed
- [NTSB LAX77FUM14](https://openairdocs.org/ntsb/LAX77FUM14.md): Aero Comdr 560F · San Diego, CA · Accident · No injuries · Closed · Jan 29, 1977 · N301T · Substantial damage
- [NTSB ANC71FAG84](https://openairdocs.org/ntsb/ANC71FAG84.md): Pilatus PC-6 · Iliamna, AK · Accident · No injuries · Closed · May 4, 1971 · N4911 · Substantial damage
- [NTSB ANC69A0057](https://openairdocs.org/ntsb/ANC69A0057.md): Pilatus PC-6 · Dead Horse, AK · Accident · No injuries · Closed · May 20, 1969 · N4911 · Substantial damage
- [NTSB MIA69A0058](https://openairdocs.org/ntsb/MIA69A0058.md): Aero Comdr 560-F · Greenwood, MS · Accident · No injuries · Closed · Mar 27, 1969 · N356R · Substantial damage
- [NTSB OAK68D0173](https://openairdocs.org/ntsb/OAK68D0173.md): Aero Comdr 560-F · Hernandz Lk, CA · Accident · No injuries · Closed · Jun 14, 1967 · N160K · Substantial damage
- [NTSB LAX67F0037](https://openairdocs.org/ntsb/LAX67F0037.md): Aero Comdr 560F · Van Nuys, CA · Accident · No injuries · Closed · Jul 8, 1966 · N162K · 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41538'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41538

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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.