# NTSB investigations: Turbomeca ARRIEL-1D1: 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 ANC23LA038](https://openairdocs.org/ntsb/ANC23LA038.md): Aerospatiale AS350B2 · Honolulu, HI · Accident · No injuries · Class 4 · Limited · Final report · May 22, 2023 · N745RH · Substantial damage
  > The instructor pilot’s inadequate supervision of the pilot receiving instruction, which resulted in a hard landing, and substantial damage to the tail boom.
- [NTSB CEN21LA431](https://openairdocs.org/ntsb/CEN21LA431.md): Eurocopter AS350 · Romeo, MI · Accident · No injuries · Class 4 · Limited · Final report · Sep 15, 2021 · N632SD · Substantial damage
  > The flight instructor’s failure to reposition the fuel control to the flight detent during a practice autorotation, which resulted in insufficient engine power to arrest the helicopter’s decent and a hard landing.
- [NTSB GAA19CA121](https://openairdocs.org/ntsb/GAA19CA121.md): Eurocopter AS 350 · Tampa, FL · Accident · No injuries · Data collection · Final report · Jan 29, 2019 · N680DG · Substantial damage
  > The pilot's improper landing flare while practicing autorotations, which resulted in a hard, bounced landing.
- [NTSB GAA18CA571](https://openairdocs.org/ntsb/GAA18CA571.md): Eurocopter AS350 · Ruidoso, NM · Accident · No injuries · Data collection · Final report · Sep 29, 2018 · N894NA · Substantial damage
  > The pilot's failure to maintain the proper descent rate during landing. Contributing to the accident were the pilot’s failure to conduct preflight performance calculations, which resulted in his operating the helicopter in high-density altitude conditions,…
- [NTSB WPR09LA125](https://openairdocs.org/ntsb/WPR09LA125.md): Eurocopter AS 350 B2 · Cave Creek, AZ · Accident · No injuries · Limited investigation · Final report · Feb 23, 2009 · N353P · Substantial damage
  > The pilot's misjudged landing flare. Contributing to the accident was the brownout condition created by the dust cloud that interfered with the pilot's perception of proximity to the ground, and the glare interference from the parked fire vehicles headlights…

## 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 ('60053')
    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=60053

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