# NTSB investigations: Robinson Helicopter R22: Collision with terr/obj (non-CFIT)

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 WPR23LA191](https://openairdocs.org/ntsb/WPR23LA191.md): Robinson Helicopter R22 · Spanish Fork, UT · Accident · No injuries · Class 4 · Limited · Final report · May 15, 2023 · N227WM · Substantial damage
  > The instructor pilot’s improper landing flare during a straight-in autorotation, which resulted in a hard landing.
- [NTSB CEN20CA230](https://openairdocs.org/ntsb/CEN20CA230.md): Robinson R22 · El Campo, TX · Accident · No injuries · Class 4 · Data collection · Final report · Jun 16, 2020 · N797SH · Substantial damage
  > The pilot's failure to maintain adequate clearance from the rice vegetation, which resulted in the helicopter's impact with terrain.
- [NTSB GAA20CA060](https://openairdocs.org/ntsb/GAA20CA060.md): Robinson R22 · Smoketown, PA · Accident · No injuries · Data collection · Final report · Nov 4, 2019 · N8560A · Substantial damage
  > The student pilot's improper cyclic input while hovering and the flight instructor's delayed remedial action, which resulted in a dynamic rollover.
- [NTSB ERA19TA153](https://openairdocs.org/ntsb/ERA19TA153.md): Robinson R22 · Bradenton Beach, FL · Accident · No injuries · Class 3 · Final report · Apr 13, 2019 · N689M · Substantial damage
  > The pilot's improper decision to execute a low altitude turn that resulted in a strong tailwind and to reduce the airspeed to 0 knots and the flight instructor's diverted attention and inadequate monitoring, which resulted in the helicopter settling with…
- [NTSB GAA16CA151](https://openairdocs.org/ntsb/GAA16CA151.md): Robinson Helicopter R22 · Riverside, CA · Accident · No injuries · Data collection · Final report · Mar 17, 2016 · N9076U · Substantial damage
  > The student pilot's incorrect action performance by not applying sufficient pressure to the right anti-torque pedal, resulting in an uncontrollable left yaw, and ground impact.
- [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 CEN14LA313](https://openairdocs.org/ntsb/CEN14LA313.md): Robinson R22 - Beta · Moscow Mills, MO · Accident · Minor injuries · Limited investigation · Final report · Jun 19, 2014 · N784SH · Substantial damage
  > The flight instructor’s delayed remedial action to correct the student pilot’s use of an excessive descent rate during a practice autorotation, which resulted in a hard landing.
- [NTSB WPR13LA315](https://openairdocs.org/ntsb/WPR13LA315.md): Robinson Helicopter R22 · Alta, UT · Accident · Minor injuries · Limited investigation · Final report · Jul 8, 2013 · N712U · Destroyed
  > The flight instructor's decision to follow a route over mountainous terrain in conditions that exceeded the helicopter’s ability to maintain terrain clearance.
- [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.

## 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 ('7640102')
    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" = '470' 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/470/sequence?model=7640102

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