# NTSB investigations, PR: 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 ERA24FA301](https://openairdocs.org/ntsb/ERA24FA301.md): Cessna 402B · Aguadilla, PR · Accident · 1 fatal · Class 3 · Field · Final report · Jul 11, 2024 · N4167G · Destroyed
  > The pilot’s decision to operate the airplane with known maintenance discrepancies, which resulted in a total loss of right engine power. Contributing to the outcome was the pilot’s failure to maintain airspeed while returning to the airport with a single…
- [NTSB ERA20LA202](https://openairdocs.org/ntsb/ERA20LA202.md): Piper PA23 · San Juan, PR · Accident · 2 fatal · Class 3 · Limited · Final report · Jun 2, 2020 · N14181 · Substantial damage
  > The pilot’s intentional operation of the airplane with known deficiencies of the left engine and subsequent in-flight loss of control after takeoff. Contributing to the loss of engine power was internal contamination of the left servo fuel injector.…
- [NTSB ERA15LA133](https://openairdocs.org/ntsb/ERA15LA133.md): Johnson Joel H Rans S-6ES Coyote II · Rincon, PR · Accident · 1 fatal · Limited investigation · Final report · Feb 19, 2015 · N5196W · Substantial damage
  > The inadequate maintenance and inspection of the fuel system, which resulted in partial blockage of a fuel filter, a partial loss of engine power, and subsequent ditching.
- [NTSB ERA11LA230](https://openairdocs.org/ntsb/ERA11LA230.md): Cessna 172P · Vega Baja, PR · Accident · No injuries · Limited investigation · Final report · Apr 1, 2011 · N98FR · Substantial damage
  > The failure of the No. 2 cylinder exhaust valve resulting in a loss of engine power.
- [NTSB ERA11LA037](https://openairdocs.org/ntsb/ERA11LA037.md): Piper PA-31-350 · Aguadilla, PR · Accident · No injuries · Limited investigation · Final report · Oct 27, 2010 · N350RL · Substantial damage
  > The pilot's improper decision to ditch the airplane after a reported partial loss of engine power and overheat on one engine for undetermined reasons.
- [NTSB ERA10LA222](https://openairdocs.org/ntsb/ERA10LA222.md): Beech 95-A55 · Arecibo, PR · Accident · Serious injuries · Limited investigation · Final report · Apr 11, 2010 · N9646Y · Substantial damage
  > A loss of engine power in one engine due to fuel starvation as a result of the pilot's improper fuel management, resulting in a forced landing in a field.
- [NTSB ERA10TA215](https://openairdocs.org/ntsb/ERA10TA215.md): Cessna 404 · Ponce, PR · Accident · No injuries · Final report · Apr 7, 2010 · N6035 · Substantial damage
  > A loss of power to the right engine 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."eventStateOrRegion" = 'PR' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '342')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

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