# NTSB investigations, MA: Loss of engine power (partial)

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 ERA21LA196](https://openairdocs.org/ntsb/ERA21LA196.md): Cessna 402C · Hyannis, MA · Accident · No injuries · Class 4 · Limited · Final report · Apr 26, 2021 · N2714B · Substantial damage
  > The flight instructor’s failure to confirm the position of the left engine’s auxiliary fuel boost pump switch during a simulated engine out procedure, which resulted in an excess amount of fuel in the engine and subsequent partial loss of power during a…
- [NTSB ERA16LA300](https://openairdocs.org/ntsb/ERA16LA300.md): Cessna 150 · Littleton, MA · Accident · No injuries · Limited investigation · Final report · Aug 19, 2016 · N9230U · Substantial damage
  > A total loss of engine power during descent for reasons that could not be determined because postaccident examination of the airframe and engine revealed no anomalies that would have precluded normal operation.
- [NTSB ERA16LA280](https://openairdocs.org/ntsb/ERA16LA280.md): Piper PA 28R-201 · Northampton, MA · Accident · No injuries · Limited investigation · Final report · Aug 6, 2016 · N3783M · Substantial damage
  > The failure of the alternate air valve plate hinge pin, which caused the alternate air valve plate to lodge in the fuel servo assembly, which resulted in a restriction of air to the fuel servo assembly, a loss of engine power, and an off-airport emergency…
- [NTSB ERA15LA291](https://openairdocs.org/ntsb/ERA15LA291.md): Sontonastaso Mosquito · Winchendon, MA · Accident · No injuries · Limited investigation · Final report · Jul 29, 2015 · N285XE · Substantial damage
  > A partial loss of engine power due to a faulty electrical wiring crimp in the engine’s ignition system.
- [NTSB ERA15LA015](https://openairdocs.org/ntsb/ERA15LA015.md): Piper PA-28-151 · Granville, MA · Accident · No injuries · Class 3 · Limited · Final report · Oct 12, 2014 · N57SH · Substantial damage
  > Deformation of the No. 1 cylinder's intake valve, which resulted in a partial loss of engine power and a subsequent off-airport precautionary landing.
- [NTSB ERA14LA043](https://openairdocs.org/ntsb/ERA14LA043.md): Maule M-5-180C · Marshfield, MA · Accident · Serious injuries · Limited investigation · Final report · Nov 15, 2013 · N76RD · Destroyed
  > A partial loss of engine power for reasons that could not be determined in postaccident examinations because fire damage precluded testing of the fuel and several engine accessories.
- [NTSB ERA13LA241](https://openairdocs.org/ntsb/ERA13LA241.md): Cessna 182E · Southwick, MA · Accident · No injuries · Limited investigation · Final report · May 13, 2013 · N817JT · Substantial damage
  > The partial loss of engine power for reasons that could not be determined because postaccident examination of the engine did not reveal any malfunctions or failures that would have precluded normal operation.
- [NTSB ERA13LA034](https://openairdocs.org/ntsb/ERA13LA034.md): Cessna 150H · Mansfield, MA · Accident · No injuries · Limited investigation · Final report · Oct 21, 2012 · N7250S · Substantial damage
  > The pilots’ failure to apply carburetor heat during takeoff, which resulted in a partial loss of engine power due to the formation of carburetor ice.
- [NTSB ERA12FA143](https://openairdocs.org/ntsb/ERA12FA143.md): Cessna 150G · Fitchburg, MA · Accident · Serious injuries · Field investigation · Final report · Jan 11, 2012 · N4041J · Substantial damage
  > A partial loss of engine power due to the formation of carburetor ice and the flight instructor's improper application of carburetor heat.
- [NTSB ERA12CA118](https://openairdocs.org/ntsb/ERA12CA118.md): Cessna 120 · Montague, MA · Accident · No injuries · Data collection · Final report · Dec 17, 2011 · N89809 · Substantial damage
  > The pilot's delay in performing a rejected takeoff after experiencing an intermittent loss of engine power, which resulted in a runway excursion.
- [NTSB ERA11LA379](https://openairdocs.org/ntsb/ERA11LA379.md): Piper J3C-65 · Egremont, MA · Accident · Minor injuries · Limited investigation · Final report · Jul 5, 2011 · N98550 · Substantial damage
  > A partial loss of engine power due to the No. 4 intake and exhaust valves becoming lodged in the valve guides, which resulted from a lack of use, improper engine storage preparation, and improper return to service from indefinite storage.
- [NTSB ERA11LA383](https://openairdocs.org/ntsb/ERA11LA383.md): Cessna 150L · Plymouth, MA · Accident · No injuries · Limited investigation · Final report · Jul 4, 2011 · N150ET · Substantial damage
  > A partial loss of engine power during initial climb due to a stuck cylinder valve, which resulted from excessive corrosion and carbon deposits on the valve springs due to inadequate maintenance.
- [NTSB ERA10LA396](https://openairdocs.org/ntsb/ERA10LA396.md): Cessna 177B · Mashpee, MA · Accident · No injuries · Limited investigation · Final report · Aug 2, 2010 · N925KM · Substantial damage
  > The pilot’s delayed use of carburetor heat while flying at reduced power settings in conditions that were favorable for carburetor icing resulting in the partial loss of engine power.
- [NTSB ERA09LA496](https://openairdocs.org/ntsb/ERA09LA496.md): Piper PA28-151 · Mansfield, MA · Accident · No injuries · Limited investigation · Final report · Sep 1, 2009 · N32146 · Substantial damage
  > A loss of engine power due to carburetor icing as a result of the pilot's delayed use of carburetor heat.

## 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '342' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/342/sequence?state=MA

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