# NTSB investigations: Boeing A75N1(PT17): Loss of engine power(total) - mech failure/malf

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 LAX96LA291](https://openairdocs.org/ntsb/LAX96LA291.md): Boeing A75N1 · Tracy, CA · Accident · No injuries · Limited investigation · Final report · Jul 29, 1996 · N68251 · Destroyed
  > A loss of engine power due to the disengagement of the crankshaft gear from it's hub due to the overload shear of the eight retaining screws.
- [NTSB FTW95LA360](https://openairdocs.org/ntsb/FTW95LA360.md): Boeing A75N1 · Evadale, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 24, 1995 · N68722 · Substantial damage
  > A failure that resulted in separation of the #5 cylinder and loss of engine oil. The lack of suitable terrain for a forced landing was a related factor.
- [NTSB CHI93LA357](https://openairdocs.org/ntsb/CHI93LA357.md): Boeing A75N1 · Springfield, MO · Accident · Serious injuries · Limited investigation · Final report · Sep 12, 1993 · N54941 · Substantial damage
  > the disconnection of the primer supply line at the fuel strainer.
- [NTSB SEA83LA110](https://openairdocs.org/ntsb/SEA83LA110.md): Boeing Stearman A75N1 · Turner, WA · Accident · No injuries · Limited investigation · Final report · May 27, 1983 · N56426 · Substantial damage
  > The acft nosed over during an emergency landing after an engine failure. The pilot stated that he had almost completed his spraying, when during a turn-around, the engine started to backfire. He dumped the remaining load and reduced power. The engine…
- [NTSB ATL83LA066](https://openairdocs.org/ntsb/ATL83LA066.md): Boeing A75N1 · Anderson, SC · Accident · No injuries · Limited investigation · Final report · Dec 16, 1982 · N61857 · Substantial damage
  > After takeoff, while several hundred feet in the air, the engine backfired & quit. The plt was able to turn around & head back toward the arpt, but could not quite reach the rwy. The acft landed 1,000 ft short of the rwy, hit a ditch & flipped over. The plt…

## 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.aircraft_model_code IN ('1380134')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 351))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1380134&occurrence=351

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