# NTSB investigations: Piper J3C-65: 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 ERA14LA253](https://openairdocs.org/ntsb/ERA14LA253.md): Piper J3C - 65 · Hopkinsville, KY · Accident · Serious injuries · Limited investigation · Final report · May 22, 2014 · N46777 · Substantial damage
  > The failure of the pilot to identify poor engine performance during the engine run-up before takeoff. Also causal to the accident was the mistimed right magneto and the poor condition of the spark plugs in the No. 4 cylinder.
- [NTSB CEN13LA193](https://openairdocs.org/ntsb/CEN13LA193.md): Piper J3C-65 · Seguin, TX · Accident · Minor injuries · Limited investigation · Final report · Mar 13, 2013 · N88313 · Substantial damage
  > The partial loss of engine power for reasons that could not be undetermined because an examination of the engine did not reveal any malfunctions or failures that would preclude normal operation.
- [NTSB CEN12FA616](https://openairdocs.org/ntsb/CEN12FA616.md): Piper J3C-65 · Kingsland, TX · Accident · 1 fatal · Field investigation · Final report · Sep 8, 2012 · N70108 · Substantial damage
  > The pilot’s failure to maintain adequate airspeed following a partial loss of engine power resulting from an engine intake valve that became stuck open. Contributing to the accident was the pilot’s decision to operate the airplane when a required maintenance…
- [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 CEN11LA348](https://openairdocs.org/ntsb/CEN11LA348.md): Piper J3C · Cypress, TX · Accident · Minor injuries · Limited investigation · Final report · May 21, 2011 · N55754 · Substantial damage
  > The loss of engine power due to carburetor ice.
- [NTSB ERA10LA437](https://openairdocs.org/ntsb/ERA10LA437.md): Piper J3C-65 · Williamstown, NJ · Accident · Minor injuries · Limited investigation · Final report · Aug 21, 2010 · N209RC · Substantial damage
  > The partial loss of engine power during takeoff due to weak spark plugs on the No. 1 cylinder.
- [NTSB CEN10CA252](https://openairdocs.org/ntsb/CEN10CA252.md): Piper J3C-65 · Sandwich, IL · Accident · No injuries · Data collection · Final report · May 15, 2010 · N22394 · Substantial damage
  > The pilot's delay in using carburetor heat resulting in a partial loss of engine power due to carburetor icing.
- [NTSB CEN10LA002](https://openairdocs.org/ntsb/CEN10LA002.md): Piper J3C-65 · Rosemount, MN · Accident · Serious injuries · Limited investigation · Final report · Oct 3, 2009 · N70585 · Substantial damage
  > The pilot's delayed use of carburetor heat while operating in conditions conducive to carburetor icing.
- [NTSB CEN09CA431](https://openairdocs.org/ntsb/CEN09CA431.md): Piper J3C-65 · Porter, TX · Accident · Minor injuries · Data collection · Final report · Jul 13, 2009 · N70455 · Substantial damage
  > The partial loss of engine power due to carburetor icing resulting in the pilot's inability to clear the wires.
- [NTSB ERA09CA543](https://openairdocs.org/ntsb/ERA09CA543.md): Piper J3C-65 · Rosedale, MS · Accident · No injuries · Data collection · Final report · Jun 28, 2008 · N42156 · Substantial damage
  > The failure of the pilots to maintain airspeed following a reported partial loss of engine power.

## 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 ('7100510')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND 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?model=7100510

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