# NTSB investigations: Robinson Helicopter R22, MA

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 ERA11CA235](https://openairdocs.org/ntsb/ERA11CA235.md): Robinson R22 · Marlboro, MA · Accident · No injuries · Data collection · Final report · Apr 10, 2011 · N791SH · Substantial damage
  > The student pilot's failure to maintain directional control during takeoff.
- [NTSB NYC89LA041](https://openairdocs.org/ntsb/NYC89LA041.md): Robinson R22 · Sharon, MA · Accident · Minor injuries · Limited investigation · Final report · Nov 29, 1988 · N9035U · Substantial damage
  > Engine power loss while landing due to fuel exhaustion.
- [NTSB NYC88LA210](https://openairdocs.org/ntsb/NYC88LA210.md): Robinson R22 · Ashburnham, MA · Accident · No injuries · Limited investigation · Final report · Aug 5, 1988 · N90789 · Substantial damage
  > A student pilot and flight instructor were making a practice pinnacle approach. The student pilot tried to terminate the descent, but was unable and a landing on rough terrain took place. The helicopter rolled over and received substantial damage but the two…
- [NTSB NYC87LA217](https://openairdocs.org/ntsb/NYC87LA217.md): Robinson R22 · Sterling, MA · Accident · No injuries · Limited investigation · Final report · Aug 2, 1987 · N9078Z · Destroyed
  > Before flying solo, the student plt & his instructor (CFI) practiced autorotations for about 1/2 hr. The CFI deplaned & the student took off on a solo flt. He flew to a reservoir area for more practice. After descending from about 1000' to 500', the eng lost…
- [NTSB NYC87LA178](https://openairdocs.org/ntsb/NYC87LA178.md): Robinson R-22 · Sterling, MA · Accident · No injuries · Limited investigation · Final report · Jun 13, 1987 · N351 · Substantial damage
  > While practicing hovering in the designated hover area at the arpt, the stu plt accidently pulled aft cyclic while the helicopter was drifting backwards. This caused the tail structure and rotor blades to contact the ground. The main rotor blades then…
- [NTSB NYC86LA233](https://openairdocs.org/ntsb/NYC86LA233.md): Robinson R22 · Sterling, MA · Accident · No injuries · Limited investigation · Final report · Sep 9, 1986 · N9033B · Substantial damage
  > On a student pilot's third solo supervised flight, the pilot placed the throttle in detent, became confused, and autorotated into trees.
- [NTSB NYC86LA013](https://openairdocs.org/ntsb/NYC86LA013.md): Robinson R22A · Sterling, MA · Accident · No injuries · Limited investigation · Final report · Oct 18, 1985 · N9069G · Substantial damage
  > The accident occurred when the CFI allowed the student who was in a hover maneuver to lose rotor RPM. The helicopter drift rearward, the left rear skid dug into the ground and the helicopter rolled over. RPM decayed so badly that the helicopter could not…

## 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" = 'MA' 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=MA

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