# Final NTSB investigations, ND: Loss of engine power(partial) - 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 CHI99LA162](https://openairdocs.org/ntsb/CHI99LA162.md): Grumman-Schweizer G-164B · Buxton, ND · Accident · No injuries · Limited investigation · Final report · May 25, 1999 · N6524K · Substantial damage
  > the number one cylinder's separation, the pilot's visual lookout not possible through the oil given off by the number one cylinder, and the embankment. A factor in the accident was the oil.
- [NTSB CHI96FA216](https://openairdocs.org/ntsb/CHI96FA216.md): Fairchild SA227AC · Grand Forks, ND · Accident · No injuries · Field investigation · Final report · Jun 25, 1996 · N2692P · Substantial damage
  > insufficient clearance between the second stage compressor impeller and the shroud. A factor was the subsequent fatigue failure of the impeller.
- [NTSB CHI95LA008](https://openairdocs.org/ntsb/CHI95LA008.md): Cessna T210R · Lakota, ND · Accident · Minor injuries · Limited investigation · Final report · Oct 10, 1994 · CGHRG · Substantial damage
  > Partial loss of engine power due to preignition and/or detonation, which resulted in failure of the number 4 cylinder. The unfavorable tailwind for landing was a related factor.
- [NTSB CHI93DTG02](https://openairdocs.org/ntsb/CHI93DTG02.md): Aero Commander S2R · Hoople, ND · Accident · No injuries · Final report · Jul 18, 1993 · N5635X · Substantial damage
  > A loss of engine power due to a cracked engine cylinder.
- [NTSB CHI93FA028](https://openairdocs.org/ntsb/CHI93FA028.md): Smith, Ted Aerostar Aerostar 601 · Wahpeton, ND · Accident · Minor injuries · Field investigation · Final report · Nov 6, 1992 · N72AW · Substantial damage
  > Other maintenance personnel's improper maintenance (installation).
- [NTSB CHI93DTG01](https://openairdocs.org/ntsb/CHI93DTG01.md): King BOWERS-FLYBABY · Buffalo, ND · Accident · No injuries · Final report · Oct 22, 1992 · N199 · Substantial damage
  > Partial loss of engine power due to improper installation of the carburetor, by the pilot/owner.
- [NTSB CHI92DTG04](https://openairdocs.org/ntsb/CHI92DTG04.md): Grumman G-164B · Grandin, ND · Accident · No injuries · Final report · Aug 14, 1992 · N48687 · Substantial damage
  > The cracked cylinder which resulted in a forced landing. The lack of suitable terrain on which to make an emergency landing was a factor.
- [NTSB DEN87LA004](https://openairdocs.org/ntsb/DEN87LA004.md): Piper PA-32R-301T · Grafton, ND · Accident · No injuries · Limited investigation · Final report · Oct 8, 1986 · N8125H · Substantial damage
  > Plt made forced landing on dirt road shortly after takeoff when the eng reportedly lost power. Plt extended landing gear but acft touched down before gear locked and left main landing gear collapsed. Left wing also struck a mailbox during rollout. Post…
- [NTSB DEN86LA209](https://openairdocs.org/ntsb/DEN86LA209.md): Piper PA-28-180 · Fargo, ND · Accident · No injuries · Limited investigation · Final report · Jul 26, 1986 · N7592W · Destroyed
  > The plt reports that the flt was descending through 7,000 ft approaching the dest arpt when the eng began to run rough and lost pwr. The flt continued toward to the arpt but was unable to reach the rwy and landed about 1/4 mi short. After touchdown the acft…
- [NTSB DEN84LA270](https://openairdocs.org/ntsb/DEN84LA270.md): Weatherly 201B · Grand Forks, ND · Accident · No injuries · Limited investigation · Final report · Aug 27, 1984 · N1268W · Substantial damage
  > During initial takeoff climb at an alt of aprx 100 ft AGL, engine began missing. Unable to maintain alt, forced landing was made in a plowed field during which landing gear was torn from the acft. Inspection revealed #5 cylinder head separated from the…
- [NTSB DEN82DA040](https://openairdocs.org/ntsb/DEN82DA040.md): Bell 206B III · Trenton, ND · Accident · Serious injuries · Final report · Mar 7, 1982 · N16867 · Substantial damage
  > The aircraft was hovering during a sling load operation when the engine lost power. The pilot released the load but due to low rotor RPM the aircraft landed hard, substantially damaging the aircraft. Investigaton revealed a failure of the forward male splines…

## 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" = 'ND' AND c."eventCountry" = 'USA'
  AND c."completionStatus" = 'Completed'
  AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 352)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=352&state=ND&status=final

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