# NTSB investigations: Cessna 150L: 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 WPR25LA054](https://openairdocs.org/ntsb/WPR25LA054.md): Cessna 150L · Glen Avon, OR · Accident · No injuries · Class 3 · Limited · Preliminary report · Dec 4, 2024 · N5330Q · Substantial damage
  > On December 4, 2024, about 1420 Pacific standard time, a Cessna 150L, N5330Q, sustained substantial damage when it was involved in an accident near Glen Avon, Oregon. The pilot and passenger were not injured. The airplane was operated as a Title 14 Code of…
- [NTSB ERA23LA297](https://openairdocs.org/ntsb/ERA23LA297.md): Cessna 150L · Elberton, GA · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 12, 2023 · N16071 · Substantial damage
  > The pilot’s decision to take off with a known engine issue, which resulted in a partial loss of power on the initial climb due to the No. 1 cylinder’s exhaust valve becoming stuck. Contributing to the outcome, was the pilot’s delay in aborting the takeoff.
- [NTSB ERA16LA116](https://openairdocs.org/ntsb/ERA16LA116.md): Cessna 150L · Gettysburg, PA · Accident · No injuries · Limited investigation · Final report · Feb 27, 2016 · N976HB · Substantial damage
  > A partial loss of engine power during initial climb for undetermined reasons because examination of the engine and a successful test-run did not reveal any anomalies that would preclude normal operation.
- [NTSB WPR13LA101](https://openairdocs.org/ntsb/WPR13LA101.md): Cessna 150L · Matlock, WA · Accident · No injuries · Limited investigation · Final report · Jan 24, 2013 · N18690 · Substantial damage
  > A partial loss of engine power after a descent to a lower altitude due to the student pilot's delayed action in applying carburetor heat while operating in conditions conducive to carburetor icing.
- [NTSB WPR12LA228](https://openairdocs.org/ntsb/WPR12LA228.md): Cessna 150L · Tulare, CA · Accident · No injuries · Limited investigation · Final report · May 23, 2012 · N11428 · Substantial damage
  > A partial loss of engine power, which was likely the result of carburetor icing.
- [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 CEN09FA364](https://openairdocs.org/ntsb/CEN09FA364.md): Cessna 150L · Rockwall, TX · Accident · 1 fatal · Field investigation · Final report · Jun 17, 2009 · N66016 · Substantial damage
  > The pilot’s failure to maintain aircraft control following a loss of engine power due to contamination in the carburetor. Contributing the severity of the accident was the pilot’s failure to utilize his shoulder harness.
- [NTSB CEN09LA308](https://openairdocs.org/ntsb/CEN09LA308.md): Cessna 150L · Baton Rouge, LA · Accident · Minor injuries · Limited investigation · Final report · May 21, 2009 · N17214 · Substantial damage
  > The partial loss of engine power due to the instructor pilot's failure to use carburetor heat while operating in conditions conducive to carburetor icing. Contributing to the accident was the instructor pilot's decision to attempt a return to the departure…
- [NTSB CEN09IA172](https://openairdocs.org/ntsb/CEN09IA172.md): Cessna 150 · Grayslake, IL · Incident · No injuries · Incident investigation · Final report · Feb 17, 2009 · N747KA · No damage
  > The failure of the number 1 cylinder intake valve which resulted in a partial loss of engine power. Contributing to the incident was the failure of the operator to maintain the engine per manufacturer's recommendations.
- [NTSB LAX08LA108](https://openairdocs.org/ntsb/LAX08LA108.md): Cessna 150L · Columbia, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 15, 2008 · N1364Q · Substantial damage
  > The flight instructor's decision to attempt takeoff with an engine discrepancy and subsequent failure to abort takeoff when the airplane did not attain adequate airspeed during the initial climb, resulting in an aerodynamic stall. Contributing to the accident…
- [NTSB LAX08LA077](https://openairdocs.org/ntsb/LAX08LA077.md): Cessna 150L · Mesa, AZ · Accident · Minor injuries · Limited investigation · Final report · Mar 18, 2008 · N19521 · Substantial damage
  > A partial loss of engine power for undetermined reasons.

## 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 ('2071826')
    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=2071826

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