# NTSB investigations, MA: 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 NYC04LA186](https://openairdocs.org/ntsb/NYC04LA186.md): Cessna 150E · Marlboro, MA · Accident · Minor injuries · Limited investigation · Final report · Aug 7, 2004 · N6159T · Substantial damage
  > The loss of engine power due to a stuck cylinder exhaust valve. Factors were the tailwind and a jammed engine cylinder exhaust valve.
- [NTSB IAD04LA008](https://openairdocs.org/ntsb/IAD04LA008.md): Rockwell 112A · Bedford, MA · Accident · Minor injuries · Limited investigation · Final report · Jan 25, 2004 · N1381J · Destroyed
  > Failure of the #2 piston connecting rod cap, which resulted in a hole in the engine crankcase and a loss of engine power. A factor was dark night lighting condition.
- [NTSB BFO94LA010](https://openairdocs.org/ntsb/BFO94LA010.md): Gulfstream American AA-5B · Sterling, MA · Accident · Minor injuries · Limited investigation · Final report · Nov 14, 1993 · N28215 · Substantial damage
  > Separation of the number one exhaust valve due to fatigue cracking which resulted in loss of engine power. Other related factors were misjudgment of altitude and airspeed by the pilot resulting in on ground collision with the terrain and subsequent nose over.
- [NTSB NYC91IA137](https://openairdocs.org/ntsb/NYC91IA137.md): Boeing 727-214 · Boston, MA · Incident · No injuries · Incident investigation · Final report · Jun 6, 1991 · N750UA · Minor damage
  > The failure of the third stage turbine blade on the number two engine, due to high cycle fatigue.
- [NTSB NYC91DNA02](https://openairdocs.org/ntsb/NYC91DNA02.md): Bell 47-G3B1 · Harwich, MA · Accident · Minor injuries · Final report · Apr 20, 1991 · N1166W · Substantial damage
  > A failure of the clutch during takeoff due to improper maintenance procedures. Factors related to the accident were insufficient altitude to establish an autorotation.
- [NTSB NYC88FA181](https://openairdocs.org/ntsb/NYC88FA181.md): Cessna 421 · Taunton, MA · Accident · 1 fatal · Field investigation · Final report · Jul 14, 1988 · N825DW · Destroyed
  > Bfr rchg his destn, the plt adzd apch ctl that his rgt eng was 'blowing some smoke' & losing oil pressure. Vectors were provided for a visual apch, but there were low clouds in the area & vis was restricted due to haze. After reaching the vcnty of the arpt,…
- [NTSB NYC88LA201](https://openairdocs.org/ntsb/NYC88LA201.md): Bell 206B · Plymouth, MA · Accident · No injuries · Limited investigation · Final report · Jul 13, 1988 · N543CC · Substantial damage
  > A loss of power to the engine because the fuel control was not properly adjusted and collision with terrain due to an unsuitable landing area.
- [NTSB NYC87FA121](https://openairdocs.org/ntsb/NYC87FA121.md): Cessna 402C · Hyannis, MA · Accident · Minor injuries · Field investigation · Final report · Apr 12, 1987 · N87PB · Destroyed
  > Shortly after the initial pwr reduction drg tkof, the plt noted a partial loss of pwr in the rgt eng. He said he 'went to full power on both engines' & noted an 'extremely high' fuel flow indcn to the rgt eng. He said, 'thinking that the engine was flooding,…
- [NTSB NYC86LA008](https://openairdocs.org/ntsb/NYC86LA008.md): Waco UPF-7 · Norwood, MA · Accident · Minor injuries · Limited investigation · Final report · Oct 14, 1985 · N39714 · Substantial damage
  > According to the pilot, during the takeoff climb the aircraft did not develop sufficient power to maintain altitude. The pilot turned the aircraft to the right in an attempt to return to the airport. During the approach to the airport, the aircraft collided…
- [NTSB NYC84LA027](https://openairdocs.org/ntsb/NYC84LA027.md): Grumman AA-5A · Fitchburg, MA · Accident · Serious injuries · Limited investigation · Final report · Nov 13, 1983 · N26445 · Substantial damage
  > The aircraft's engine lost power on takeoff and the pilot elected to make an emergency landing in a residental area. The pilot maneuvered the aircraft between two homes and crashed into a tree. The aircraft rolled to the left and fell tothe ground.…
- [NTSB NYC82DA189](https://openairdocs.org/ntsb/NYC82DA189.md): Piper PA-12 · Wellesley, MA · Accident · No injuries · Final report · Aug 8, 1982 · N4463M · Substantial damage
  > The pilot experienced a power loss and decaying RPM and decided to land short of destination which was 10 miles away. After surveying a pond for landing, the RPM was 600 and the landing was hard enough to damage the floats. As inspection revealed a blockage…

## 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" = 'MA' AND c."eventCountry" = 'USA'
  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=MA

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