# NTSB investigations: Lycoming O-360-J2A: Hard landing

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 SEA08CA032](https://openairdocs.org/ntsb/SEA08CA032.md): Robinson R22 Beta · Ramona, CA · Accident · Serious injuries · Data collection · Final report · Nov 20, 2007 · N463SH · Substantial damage
  > An excessive descent rate during a simulated 180-degree power-off autorotation, and the flight instructor's failure to initiate corrective action in time to keep the helicopter from impacting the terrain.
- [NTSB SEA08CA019](https://openairdocs.org/ntsb/SEA08CA019.md): Robinson R22 Beta · Parma, ID · Accident · No injuries · Data collection · Final report · Nov 3, 2007 · N3189Z · Substantial damage
  > The student pilot's improper use of the flight controls while performing a hovering autorotation and the flight instructor's excessive remedial action which resulted in a hard landing.
- [NTSB SEA07CA233](https://openairdocs.org/ntsb/SEA07CA233.md): Robinson R-22 Beta II · Tucson, AZ · Accident · No injuries · Data collection · Final report · Aug 13, 2007 · N453SH · Substantial damage
  > The student pilot's failure to maintain rotor RPM during landing approach, and the delayed remedial action by the flight instructor. A contributing factor was the high density altitude weather condition.
- [NTSB LAX07CA090](https://openairdocs.org/ntsb/LAX07CA090.md): Robinson R22 Beta · Tucson, AZ · Accident · No injuries · Data collection · Final report · Feb 19, 2007 · N453SH · Substantial damage
  > The failure of the student pilot to maintain an adequate main rotor rpm and the instructor’s failure to maintain control of the aircraft.

## 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 ('42314')
    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" = 200))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=42314&occurrence=200

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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.
