# NTSB investigations, PR: Miscellaneous/other

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 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 ERA20CA059](https://openairdocs.org/ntsb/ERA20CA059.md): Eipper Quicksilver · Mayaguez, PR · Accident · Minor injuries · Data collection · Final report · Dec 22, 2019 · N211RR · Substantial damage
  > The student pilot's inadvertent movement of the fuel shutoff switch to the “off” position while attempting to take a picture of himself, which resulted in a total loss of engine power due to fuel starvation and a subsequent ditching in open water.
- [NTSB ERA17LA126](https://openairdocs.org/ntsb/ERA17LA126.md): Eurocopter AS 350 · San Juan, PR · Accident · No injuries · Limited investigation · Final report · Feb 21, 2017 · N413LP · Substantial damage
  > The flight instructor's incorrect manipulations of the twist grip throttle control during a practice autorotation, which resulted in an engine overspeed and subsequent fire.
- [NTSB ERA14LA465](https://openairdocs.org/ntsb/ERA14LA465.md): Britten-Norman BN-2A · Ceiba, PR · Accident · Minor injuries · Limited investigation · Final report · Sep 28, 2014 · N906GD · Substantial damage
  > The pilot’s loss of consciousness during taxi for reasons that could not be determined based on the available information.
- [NTSB ERA13LA152](https://openairdocs.org/ntsb/ERA13LA152.md): Robinson Helicopter R44 II · Ciales, PR · Accident · Minor injuries · Limited investigation · Final report · Mar 2, 2013 · N834RC · Destroyed
  > A loss of main rotor rpm for reasons that could not be determined because an examination of the helicopter’s engine and associated components did not reveal any mechanical malfunctions or failures that would have precluded normal operation.

## 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '900' 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/900/sequence?state=PR

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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.