# NTSB investigations: Pratt & Whitney R-1830 series, FL

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 MIA93LA106](https://openairdocs.org/ntsb/MIA93LA106.md): Douglas DC-3C · Zephyrhills, FL · Accident · No injuries · Limited investigation · Final report · Apr 20, 1993 · N8056 · Substantial damage
  > The pilot-in-command's failure to maintain best single-engine rate-of-climb speed which resulted in a forced landing. A factor which contributed to the accident was a possible exhaust system clamp failure.
- [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 MIA84FA256](https://openairdocs.org/ntsb/MIA84FA256.md): Douglas DC3 · Boca Raton, FL · Accident · No injuries · Field investigation · Final report · Sep 18, 1984 · N143D · Substantial damage
  > Four hours and forty mins after takeoff aprx 6 miles from the dest aprt, both engs stopped running. Attempts to restart the engs were unsuccessful. Thinking they were out of fuel, the crew accomplished a forced landing in a wildlife refuge in 10 ft tall…
- [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.
- [NTSB MIA80FA058](https://openairdocs.org/ntsb/MIA80FA058.md): Douglas C-47B · Dania, FL · Accident · Serious injuries · Closed · Apr 23, 1980 · N709Z · Destroyed
- [NTSB MIA79FLD79](https://openairdocs.org/ntsb/MIA79FLD79.md): Douglas DC3-C · Tampa, FL · Accident · No injuries · Closed · Jul 22, 1979 · N77B · Substantial damage
- [NTSB MIA79DA001](https://openairdocs.org/ntsb/MIA79DA001.md): Douglas DC-3 · Ft Walton Bch, FL · Accident · 1 fatal · Closed · Oct 1, 1978 · N74Z · Destroyed
- [NTSB MIA77DLD39](https://openairdocs.org/ntsb/MIA77DLD39.md): Douglas DC-3 · Polk City, FL · Accident · No injuries · Closed · Mar 18, 1977 · N25670 · Substantial damage
- [NTSB MIA74AM088](https://openairdocs.org/ntsb/MIA74AM088.md): Douglas DC3C · Tampa, FL · Accident · No injuries · Closed · Apr 18, 1974 · N90830 · Substantial damage

## 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" = 'FL' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52020'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

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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.