# NTSB investigations, PA: Abrupt maneuver

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 ERA20FA074](https://openairdocs.org/ntsb/ERA20FA074.md): Robinson R66 · Mechanicsburg, PA · Accident · 2 fatal · Class 3 · Field · Final report · Jan 10, 2020 · N450MC · Destroyed
  > A severe left roll excursion after the onset of pitch and roll oscillations, which were not arrested by the pilot for undetermined reasons. This resulted in main rotor blade contact with the airframe and a subsequent inflight breakup of the helicopter.
- [NTSB ERA17LA328](https://openairdocs.org/ntsb/ERA17LA328.md): Piper J3C · Hanover Township, PA · Accident · Minor injuries · Limited investigation · Final report · Sep 16, 2017 · N38365 · Substantial damage
  > The pilot's failure to maintain roll control while maneuvering, which resulted in a collision with trees and terrain.
- [NTSB ERA17FA017](https://openairdocs.org/ntsb/ERA17FA017.md): Piper PA28 · Austin, PA · Accident · 3 fatal · Field investigation · Final report · Oct 16, 2016 · C-GYSN · Destroyed
  > The pilot's loss of control while maneuvering in night instrument conditions that included light-to-heavy rain with severe turbulence, updrafts and downdrafts, and hail. Contributing to the accident was the pilot experiencing spatial disorientation, his lack…
- [NTSB ERA12LA557](https://openairdocs.org/ntsb/ERA12LA557.md): Piper PA-31-325 · Washington, PA · Accident · No injuries · Limited investigation · Final report · Sep 9, 2012 · N3591P · Substantial damage
  > The airplane’s encounter with a flock of geese during takeoff, which resulted in the airplane’s hard impact with the runway while the pilot maneuvered in an attempt to avoid the geese.

## 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" = 'PA' 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" = '270')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/270/cases?state=PA

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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.