# NTSB investigations: Robinson Helicopter R22 BETA: Loss of lift

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 GAA15CA147](https://openairdocs.org/ntsb/GAA15CA147.md): Robinson Helicopter R22 Beta · Kailua-Kona, HI · Accident · Minor injuries · Data collection · Final report · Jun 29, 2015 · N227FT · Substantial damage
  > The flight instructor's decision to conduct a high altitude pinnacle landing without adequate power, which resulted in the helicopter impacting terrain during the approach. Contributing to the accident was the density altitude at the high altitude pinnacle…
- [NTSB WPR13CA068](https://openairdocs.org/ntsb/WPR13CA068.md): Robinson R22 · Logan, UT · Accident · No injuries · Data collection · Final report · Dec 15, 2012 · N393LE · Substantial damage
  > The flight instructor’s delayed remedial action and inadequate supervision during a practice autorotation, which resulted in a failure to maintain adequate main rotor rpm. Contributing to the accident was the wet landing surface.
- [NTSB WPR12CA351](https://openairdocs.org/ntsb/WPR12CA351.md): Robinson R22 · Monticello, UT · Accident · Minor injuries · Data collection · Final report · Aug 11, 2012 · N7135J · Substantial damage
  > The pilot's failure to maintain adequate main rotor rpm while maneuvering at a low altitude, which resulted in the helicopter settling and subsequently colliding with the ground. Contributing to the accident was that the pilot had insufficient altitude to…
- [NTSB CEN11LA318](https://openairdocs.org/ntsb/CEN11LA318.md): Robinson Helicopter R22 Beta · Yancey, TX · Accident · No injuries · Limited investigation · Final report · May 3, 2011 · N927SH · Substantial damage
  > The loss of engine power due to the unintentional closure of the fuel shutoff valve.
- [NTSB ERA10LA190](https://openairdocs.org/ntsb/ERA10LA190.md): Robinson R22 · Miami, FL · Accident · No injuries · Limited investigation · Final report · Mar 28, 2010 · N72377 · Substantial damage
  > A loss of main rotor rpm for undetermined reasons.
- [NTSB CEN09CA273](https://openairdocs.org/ntsb/CEN09CA273.md): Robinson Helicopter R22 Beta · New Braunfels, TX · Accident · No injuries · Data collection · Final report · Apr 30, 2009 · N7519V · Substantial damage
  > The pilot's failure to maintain adequate main rotor rpm during a practice autorotation. Contributing to the accident was the instructor pilot's delayed remedial action.
- [NTSB CEN09CA180](https://openairdocs.org/ntsb/CEN09CA180.md): Robinson Helicopter R22 Beta · O'Donnell, TX · Accident · Minor injuries · Data collection · Final report · Feb 25, 2009 · N387AC · Substantial damage
  > The pilot's failure to maintain control while performing a quick stop maneuver to an out of ground effect (OGE) hover. Contributing to the accident was the high density altitude and near calm wind condition.

## 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.aircraft_model_code IN ('7640110', '7640103')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '500' 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/500/sequence?model=7640110

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