# NTSB investigations: Lycoming 0-360-A1D: 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 CEN23LA358](https://openairdocs.org/ntsb/CEN23LA358.md): Robinson Helicopter R22 Beta · Sevierville, TN · Accident · No injuries · Class 4 · Limited · Final report · Aug 9, 2023 · N798MG · Substantial damage
  > The flight instructor’s improper flight control inputs during the practice hovering autorotation that resulted in a loss of control and impact with terrain.
- [NTSB WPR10LA370](https://openairdocs.org/ntsb/WPR10LA370.md): Piper PA-28-180 · Walla Walla, WA · Accident · Serious injuries · Limited investigation · Final report · Jul 28, 2010 · N57PJ · Substantial damage
  > The pilot's partial incapacitation during cruise flight and his subsequent inadequate fuel management, which resulted in fuel starvation.
- [NTSB WPR09CA375](https://openairdocs.org/ntsb/WPR09CA375.md): Robinson Helicopter R22 Beta · Troutdale, OR · Accident · Minor injuries · Data collection · Final report · Jul 29, 2009 · N7176W · Substantial damage
  > The flight instructor's failure to maintain adequate main rotor RPM.
- [NTSB WPR09CA023](https://openairdocs.org/ntsb/WPR09CA023.md): Robinson Helicopter R22 Beta · Temecula, CA · Accident · No injuries · Data collection · Final report · Oct 22, 2008 · N8356R · Substantial damage
  > The certified flight instructor's failure to maintain adequate rotor rpm during a simulated approach to landing under variable wind, and high density altitude conditions.

## 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 ('41504')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '092'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/092/cases?engine=41504

---
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.