# NTSB investigations: Cessna 152: Powerplant sys/comp malf/fail

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 ERA19LA069](https://openairdocs.org/ntsb/ERA19LA069.md): Cessna 152 · Bell Glade, FL · Accident · No injuries · Limited investigation · Final report · Dec 17, 2018 · N4886B · Substantial damage
  > A partial loss of engine power due to the No. 1 cylinder's valve keeper becoming dislodged, which ultimately resulted in the intake valve becoming stuck in the valve guide and in the loss of compression to the cylinder.
- [NTSB ERA18LA259](https://openairdocs.org/ntsb/ERA18LA259.md): Cessna 152 · St. Augustine, FL · Accident · No injuries · Limited investigation · Final report · Sep 8, 2018 · N6469P · Substantial damage
  > The partial loss of engine power due to a fractured exhaust valve, which resulted in a forced landing on unsuitable terrain and a subsequent rollover.
- [NTSB CEN15IA230](https://openairdocs.org/ntsb/CEN15IA230.md): Cessna 152 · Pilot Point, TX · Incident · No injuries · Incident investigation · Final report · Apr 30, 2015 · N49158 · Minor damage
  > The loss of engine power due to the separation of the distributor gear arm on the left magneto.
- [NTSB ERA10LA235](https://openairdocs.org/ntsb/ERA10LA235.md): Cessna 152 · Avon Park, FL · Accident · No injuries · Limited investigation · Final report · Apr 18, 2010 · N5499B · Substantial damage
  > The operator's failure to correct known deficiencies with the carburetor, which resulted in a complete loss of engine power and subsequent forced landing by the pilot. Also causal was the operator's decision to rent the airplane in an unairworthy condition.
- [NTSB WPR09LA196](https://openairdocs.org/ntsb/WPR09LA196.md): Cessna 152 · Glendale, AZ · Accident · Minor injuries · Limited investigation · Final report · Apr 15, 2009 · N6285M · Substantial damage
  > A loss of engine power due to the failure of both magnetos resulting from an improper maintenance repair by maintenance personnel.
- [NTSB ERA09LA146](https://openairdocs.org/ntsb/ERA09LA146.md): Cessna 152 · Wauchula, FL · Accident · No injuries · Limited investigation · Final report · Jan 18, 2009 · N6566P · Substantial damage
  > A loss of engine power due to failure of the Number 3 connecting rod due to oil contamination. Contributing to the accident was the insufficient oil change time intervals performed by company personnel.

## 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 ('2071835')
    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" = '340' 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/340/sequence?model=2071835

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
