# NTSB investigations: Lycoming O-360 series: Dynamic rollover

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 ERA22LA328](https://openairdocs.org/ntsb/ERA22LA328.md): Robinson Helicopter R22 Beta · Orlando, FL · Accident · No injuries · Class 4 · Limited · Final report · Jul 17, 2022 · N224MG · Substantial damage
  > The flight instructor’s inadequate remedial actions following the student pilot’s improper control inputs, which resulted in dynamic rollover.
- [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 CEN22LA158](https://openairdocs.org/ntsb/CEN22LA158.md): Robinson Helicopter R22 Beta · Garnett, KS · Accident · No injuries · Class 4 · Limited · Final report · Mar 26, 2022 · N7087X · Substantial damage
  > The pilot’s failure to maintain lateral control while hovering which resulted in a dynamic rollover.
- [NTSB ERA22LA140](https://openairdocs.org/ntsb/ERA22LA140.md): Robinson Helicopter R22 · Fallston, MD · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 1, 2022 · N786SH · Substantial damage
  > The student pilot's unstabilized hover, which resulted in ground contact and a dynamic rollover. Contributing to the accident was the flight instructor's inadequate supervision of the student and his delayed remedial action.
- [NTSB GAA19CA347](https://openairdocs.org/ntsb/GAA19CA347.md): Robinson R22 · San Antonio, TX · Accident · Minor injuries · Data collection · Final report · Jun 15, 2019 · N511HE · Substantial damage
  > The pilot receiving instruction's improper cyclic control input during landing, which resulted in a dynamic rollover, and the flight instructor's improper decision to practice landings in tall grass in gusting wind conditions.
- [NTSB GAA17CA551](https://openairdocs.org/ntsb/GAA17CA551.md): Robinson Helicopter R22 · Santa Barbara, CA · Accident · No injuries · Data collection · Final report · Sep 24, 2017 · N177SR · Substantial damage
  > The student pilot’s unstabilized hover, which resulted in ground contact and a dynamic rollover. Contributing to the accident was the flight instructor’s delayed remedial action.
- [NTSB WPR12CA405](https://openairdocs.org/ntsb/WPR12CA405.md): Robinson Helicopter R22 Beta · Lake Newman, WA · Accident · No injuries · Data collection · Final report · Sep 7, 2012 · N212SH · Substantial damage
  > The flight instructor's failure to maintain clearance from terrain while correcting for the student pilot's failure to maintain directional control of the helicopter.
- [NTSB WPR12FA298](https://openairdocs.org/ntsb/WPR12FA298.md): Robinson Helicopter R22 Beta · Murrieta, CA · Accident · 1 fatal · Field investigation · Final report · Jul 9, 2012 · N7527Y · Substantial damage
  > The pilot's failure to maintain clearance from high vegetation while making a hovering turn, which resulted in a dynamic rollover.
- [NTSB CEN10CA156](https://openairdocs.org/ntsb/CEN10CA156.md): Robinson Helicopter R22 Beta · Houston, TX · Accident · No injuries · Data collection · Final report · Mar 13, 2010 · N822SH · Substantial damage
  > The student pilot's loss of directional control during takeoff, resulting in a dynamic rollover of the helicopter.

## 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 ('41575')
    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" = '231'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/231/cases?engine=41575

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