# NTSB investigations, 2012: 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 CEN13CA053](https://openairdocs.org/ntsb/CEN13CA053.md): Robinson Helicopter R44 II · Bryan, TX · Accident · No injuries · Data collection · Final report · Nov 6, 2012 · N131AA · Substantial damage
  > The pilot’s over-correction in an attempt to stabilize the helicopter during liftoff.
- [NTSB ANC12CA111](https://openairdocs.org/ntsb/ANC12CA111.md): Robinson Helicopter R22 Beta II · Anchorage, AK · Accident · No injuries · Data collection · Final report · Sep 26, 2012 · N4171J · Substantial damage
  > The flight instructor's inadequate supervision of the student pilot during a hovering autorotation, which resulted in a dynamic rollover.
- [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 ANC12FA084](https://openairdocs.org/ntsb/ANC12FA084.md): Mcdonnell Douglas Helicopter 600N · Delta Junction, AK · Accident · 1 fatal · Field investigation · Final report · Aug 8, 2012 · N737TV · Substantial damage
  > The pilot’s failure to clear the left landing gear skid, which resulted in the entanglement of the left landing gear skid with a log, and his subsequent application of collective pitch, which resulted in a dynamic rollover.
- [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 WPR12CA162](https://openairdocs.org/ntsb/WPR12CA162.md): Robinson Helicopter R44 II · Henderson, NV · Accident · No injuries · Data collection · Final report · Apr 9, 2012 · N55NZ · Substantial damage
  > The pilot did not maintain directional and yaw control of the helicopter during approach and landing, which resulted in a dynamic rollover.
- [NTSB CEN12CA191](https://openairdocs.org/ntsb/CEN12CA191.md): Bell 206L-3 · Southern Timbalier 52CA · Accident · No injuries · Data collection · Final report · Mar 12, 2012 · N104LP · Substantial damage
  > The pilot’s inadequate preflight inspection when he did not remove a tie-down strap prior to takeoff, which resulted in a dynamic rollover.
- [NTSB ANC12CA025](https://openairdocs.org/ntsb/ANC12CA025.md): Hughes 369 · Trading Bay, AK · Accident · No injuries · Data collection · Final report · Mar 11, 2012 · C-GVEB · Substantial damage
  > The pilot's selection of an unsuitable landing site in flat-light conditions, which resulted in an inadvertent dynamic rollover.
- [NTSB ERA12LA210](https://openairdocs.org/ntsb/ERA12LA210.md): Bell 206B · Titusville, FL · Accident · Minor injuries · Limited investigation · Final report · Mar 6, 2012 · N83AP · Substantial damage
  > The flight instructor's attempted takeoff in gusting wind conditions while the student pilot was adjusting her anti-torque pedals, which resulted in a dynamic rollover event.
- [NTSB ANC12LA017](https://openairdocs.org/ntsb/ANC12LA017.md): Pzl-Swidnik SW-4 · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Jan 15, 2012 · SP-SSW · Substantial damage
  > A loss of control during a simulated hydraulic emergency, which resulted in an inadvertent dynamic rollover from the which the pilot could not recover.

## 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 year(c."eventDate") = 2012
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '231' 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/231/sequence?year=2012

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