# NTSB investigations: Robinson Helicopter R22, AZ

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 WPR22LA146](https://openairdocs.org/ntsb/WPR22LA146.md): Robinson Helicopter R22 · Phoenix, AZ · Accident · No injuries · Class 4 · Limited · Final report · Apr 7, 2022 · N19VH · Substantial damage
  > The pilot’s failure to maintain helicopter control while on the ground when his attention was diverted, which resulted in a dynamic rollover.
- [NTSB WPR22FA001](https://openairdocs.org/ntsb/WPR22FA001.md): Robinson Helicopter R22 · Chandler, AZ · Accident · 2 fatal · Class 3 · Field · Final report · Oct 1, 2021 · N412TL · 2 aircraft · Substantial damage
  > The failure of the pilots onboard the airplane to see and avoid the helicopter while maneuvering in the traffic pattern, which resulted in a midair collision.
- [NTSB WPR16LA156](https://openairdocs.org/ntsb/WPR16LA156.md): Robinson R22 · Prescott, AZ · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 2016 · N22UH · Substantial damage
  > The flight instructor’s delayed remedial action to address a low rotor rpm condition, which resulted in an excessive descent rate and a subsequent hard landing.
- [NTSB GAA15CA233](https://openairdocs.org/ntsb/GAA15CA233.md): Robinson Helicopter R22 · Prescott, AZ · Accident · No injuries · Data collection · Final report · Aug 18, 2015 · N5VH · Substantial damage
  > The flight instructor's decision to turn the helicopter downwind during a hover taxi which resulted in an uncontrolled descent and impact with terrain.
- [NTSB WPR09LA160](https://openairdocs.org/ntsb/WPR09LA160.md): Robinson Helicopter R22 · Prescott, AZ · Accident · No injuries · Limited investigation · Final report · Mar 20, 2009 · N90764 · Substantial damage
  > The pilot's failure to maintain adequate main rotor rpm while maneuvering at a low altitude.
- [NTSB LAX08CA126](https://openairdocs.org/ntsb/LAX08CA126.md): Robinson R22 Beta II · Prescott, AZ · Accident · Serious injuries · Data collection · Final report · May 2, 2008 · N331MD · Substantial damage
  > The instructor's inadequate supervision and delayed remedial action that resulted in ground contact and a rollover.
- [NTSB LAX92FA137](https://openairdocs.org/ntsb/LAX92FA137.md): Robinson R22 · Maricopa, AZ · Accident · 1 fatal · Field investigation · Final report · Mar 4, 1992 · N8413Q · Destroyed
  > Destructive mast bumping for an undetermined reason(s).
- [NTSB LAX91LA079](https://openairdocs.org/ntsb/LAX91LA079.md): Robinson R-22 HP · Scottsdale, AZ · Accident · No injuries · Limited investigation · Final report · Jan 25, 1991 · N21439 · Substantial damage
  > The failure of the drive belts due to excessive wear of the clutch assembly upper sheave and the pilot's inaccurate flare during the termination of the autorotation. A factor in the accident was the inadequate design of the clutch assembly upper sheave.
- [NTSB LAX89LA331](https://openairdocs.org/ntsb/LAX89LA331.md): Robinson R22 · Scottsdale, AZ · Accident · No injuries · Limited investigation · Final report · Sep 27, 1989 · N9078U · Substantial damage
  > Improper in-flight planning/decision by the instructor pilot (CFI). Factors related to the accident were: the cfi's lack of familiarity with the geographic area, and the fence.
- [NTSB LAX88LA089](https://openairdocs.org/ntsb/LAX88LA089.md): Robinson R22 · Sun City, AZ · Accident · Serious injuries · Limited investigation · Final report · Jan 17, 1988 · N90165 · Substantial damage
- [NTSB LAX87DUJ01](https://openairdocs.org/ntsb/LAX87DUJ01.md): Robinson R-22 · Tucson, AZ · Accident · Minor injuries · Final report · Nov 30, 1986 · N9006W · Destroyed
  > After 50 minutes of cruise flight, the pilot observed a decrease in oil pressure to zero and the illumination of the low oil pressure light. The pilot landed the helicopter and had an airframe and powerplant mechanic inspect the aircraft. There were no…
- [NTSB LAX82DA133](https://openairdocs.org/ntsb/LAX82DA133.md): Robinson R-22 · Mesa, AZ · Accident · No injuries · Final report · Apr 10, 1982 · N90736 · Substantial damage
  > After landing in a practice area the instructor told the student to pick the helicopter up to a hover. The aircraft lifted off the ground to approximately 5 feet and yawed to the right 45 degrees. As the instructor applied left pedal and lowered collective…
- [NTSB LAX81DUJ73](https://openairdocs.org/ntsb/LAX81DUJ73.md): Robinson R22 · Mesa, AZ · Accident · Minor injuries · Closed · Jun 25, 1981 · N9041Z · Destroyed

## 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" = 'AZ' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7640102'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7640102&state=AZ

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