# NTSB investigations: Jacobs L4 /R755-7: Loss of engine power

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 ATL07LA001](https://openairdocs.org/ntsb/ATL07LA001.md): Grumman G-164 · Somerville, TN · Accident · Minor injuries · Limited investigation · Final report · Oct 4, 2006 · N493Y · Destroyed
  > The total loss of engine power for undetermined reasons.
- [NTSB NYC04LA118](https://openairdocs.org/ntsb/NYC04LA118.md): Cessna T-50 · Sharon, MA · Accident · 1 fatal · Limited investigation · Final report · May 7, 2004 · N45P · Substantial damage
  > The loss of power in one engine for undetermined reasons. Factors were the excessive weight, and degraded climb performance.
- [NTSB FTW00LA104](https://openairdocs.org/ntsb/FTW00LA104.md): Cessna 195A · Roanoke, TX · Accident · Serious injuries · Limited investigation · Final report · Mar 24, 2000 · N9847A · Substantial damage
  > The pilot's inadequate preflight resulting in loss of engine power due to water and rust contamination of the fuel. A factor was the lack of suitable terrain for the forced landing.
- [NTSB SEA98LA193](https://openairdocs.org/ntsb/SEA98LA193.md): Cessna T-50 · Missoula, MT · Accident · No injuries · Limited investigation · Final report · Sep 27, 1998 · N6HS · Substantial damage
  > A quick drain was open due to the pilot's inadequate preflight.
- [NTSB ATL97FA095](https://openairdocs.org/ntsb/ATL97FA095.md): Boeing Stearman B75N1 · Locust Grove, GA · Accident · 1 fatal · Field investigation · Final report · Jul 2, 1997 · N450GC · Destroyed
  > The inadvertent stall encountered by the pilot after experiencing an in-flight cylinder head separation.
- [NTSB CHI83LA232](https://openairdocs.org/ntsb/CHI83LA232.md): Boeing A75N1 · Lebanon, IN · Accident · 1 fatal · Limited investigation · Final report · May 27, 1983 · N52470 · Substantial damage
  > The plt had flown the acft to boone county arpt to get the acft's carburetor adjusted. After the adjustment, he took off to the south on a grass rwy beside the concrete rwy. While climbing thru about 300 to 400 ft AGL, the eng began running rough. 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.engine_model_code IN ('35003')
    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" = 350))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=35003&occurrence=350

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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.