# NTSB investigations: Pratt & Whitney R-1830 series: Loss of engine power

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 MIA06LA125](https://openairdocs.org/ntsb/MIA06LA125.md): Douglas DC-3 · St. Thomas · Accident · Minor injuries · Limited investigation · Final report · Jul 19, 2006 · N782T · Substantial damage
  > The airplane's inability to maintain altitude for undetermined reasons, following a loss of power from the left engine.
- [NTSB ATL01FA040](https://openairdocs.org/ntsb/ATL01FA040.md): Douglas DC-3 · Donalsonville, GA · Accident · No injuries · Field investigation · Final report · Mar 16, 2001 · N842MB · Substantial damage
  > The failure and separation of No.12 cylinder from the engine case that resulted in an in-flight oil fed fire; and the subsequent separation of the right engine from airframe.
- [NTSB MIA87IA195](https://openairdocs.org/ntsb/MIA87IA195.md): Douglas DC3A · Hilliard, FL · Incident · No injuries · Incident investigation · Final report · Jun 30, 1987 · N31MS · Minor damage
  > According to the FAA the pilot stated that just after he rotated for takeoff the acft lost power in the left eng. He then aborted the takeoff, set the acft back on the runway & it slid off the left side into some bushes. The plts did not submit an operator…
- [NTSB MIA82FA128](https://openairdocs.org/ntsb/MIA82FA128.md): Douglas DC-3C · St. Petersburg, FL · Accident · Serious injuries · Field investigation · Final report · Jun 6, 1982 · N95C · Destroyed
  > After a local maintenance flight the crew returned to St. Petersburg to practice full stop landings. Shortly after becoming airborne during the 2nd takeoff, the right eng experienced a power loss. The acft was observed to climb to about 50 ft AGL, then veer…
- [NTSB MIA82DA046](https://openairdocs.org/ntsb/MIA82DA046.md): Howard 500 · Ft. Lauderdale, FL · Accident · No injuries · Final report · Feb 12, 1982 · N1515V · Substantial damage
  > The pilot stated that partial power failure of the left engine combined with torque and a crosswind caused a loss of directional control approximately 100 yards into the takeoff roll.

## 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.engine_model_code IN ('52020')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 350))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52020&occurrence=350

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