# NTSB investigations: 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.

Page 4 of 4 · 163 cases

## Cases, newest first

- [NTSB CEN10FA079](https://openairdocs.org/ntsb/CEN10FA079.md): Sikorsky S-76C++ · Gulf of Mexico (Gulf of Mexico) · Accident · No injuries · Field investigation · Final report · Dec 24, 2009 · N798P · Substantial damage
  > The pilot's failure to fully land the helicopter prior to entering a turn in strong, crosswind conditions, which resulted in a dynamic rollover.
- [NTSB WPR10CA065](https://openairdocs.org/ntsb/WPR10CA065.md): Robinson Helicopter R22 Beta · Long Beach, CA · Accident · No injuries · Data collection · Final report · Nov 25, 2009 · N505LA · Substantial damage
  > The flight instructor's failure to arrest the helicopter's descent and to maintain lateral control during a hovering autorotation practice.
- [NTSB ERA10CA065](https://openairdocs.org/ntsb/ERA10CA065.md): Robinson Helicopter R22 Beta · Georgetown, KY · Accident · Minor injuries · Data collection · Final report · Nov 14, 2009 · N2374 · Substantial damage
  > The pilot's failure to maintain adequate clearance from the surface during lateral hover, which resulted in dynamic rollover.
- [NTSB ERA10CA039](https://openairdocs.org/ntsb/ERA10CA039.md): Robinson Helicopter R22 Beta · Scranton, SC · Accident · No injuries · Data collection · Final report · Oct 24, 2009 · N822U · Substantial damage
  > The pilot’s failure to maintain control of the helicopter.
- [NTSB ERA09CA401](https://openairdocs.org/ntsb/ERA09CA401.md): Robinson Helicopter R22 Beta · Bedford, MA · Accident · Minor injuries · Data collection · Final report · Jul 13, 2009 · N211SH · Substantial damage
  > The flight instructor's inadequate remedial action while conducting hover practice with a student pilot, which resulted in the helicopter rolling over when it contacted the ground.
- [NTSB WPR09CA338](https://openairdocs.org/ntsb/WPR09CA338.md): Bell 206B · Burlington, WA · Accident · No injuries · Data collection · Final report · Jul 11, 2009 · N302PD · Substantial damage
  > The pilot’s failure to maintain control of the helicopter while attempting to lift off from a trailer. The helicopter subsequently impacted the ground and rolled over.
- [NTSB ERA09CA337](https://openairdocs.org/ntsb/ERA09CA337.md): Robinson Helicopter R44 II · Meredith, NH · Accident · No injuries · Data collection · Final report · May 25, 2009 · N47GT · Substantial damage
  > The pilot’s failure to maintain control during landing.
- [NTSB CEN09CA290](https://openairdocs.org/ntsb/CEN09CA290.md): Bolton Ricky D Rotorway E · Brookeland, TX · Accident · No injuries · Data collection · Final report · May 10, 2009 · N602DB · Substantial damage
  > The pilot failed to maintain control while hovering in gusty conditions.
- [NTSB CEN09CA271](https://openairdocs.org/ntsb/CEN09CA271.md): Robinson Helicopter R22 Beta · Harlingen, TX · Accident · No injuries · Data collection · Final report · Apr 29, 2009 · N2560Q · Substantial damage
  > The pilot's decision to leave the helicopter unattended with the engine running in gusty wind conditions.
- [NTSB ERA09CA249](https://openairdocs.org/ntsb/ERA09CA249.md): Bell 206 · West Palm Beach, FL · Accident · No injuries · Data collection · Final report · Apr 17, 2009 · N25PM · Substantial damage
  > The pilot’s failure to maintain aircraft control during taxi, which resulted in a dynamic rollover.
- [NTSB WPR09CA198](https://openairdocs.org/ntsb/WPR09CA198.md): Better Burn LLC/Startube Div Exec 162F · Chandler, AZ · Accident · Minor injuries · Data collection · Final report · Apr 16, 2009 · N333ST · Substantial damage
  > The flight instructor's inadequate supervision of the flight and delay in taking remedial action to prevent the helicopter from touching down while drifting. Contributing to the accident was the design of the skid shoes.
- [NTSB WPR09CA173](https://openairdocs.org/ntsb/WPR09CA173.md): Robinson Helicopter R22 Beta · Chandler, AZ · Accident · No injuries · Data collection · Final report · Mar 30, 2009 · N74815 · Substantial damage
  > The certified flight instructor's inadequate supervision of the student pilot during a hover demonstration and his subsequent loss of helicopter control that resulted in a dynamic rollover.
- [NTSB ERA09CA045](https://openairdocs.org/ntsb/ERA09CA045.md): Randall Amanda Rotorway · Middletown, DE · Accident · No injuries · Data collection · Final report · Nov 9, 2008 · N103DE · Substantial damage
  > The student pilot’s excessive use of cyclic during the engine run-up. Contributing to the accident were the student pilot’s lack of overall experience and the gusting wind conditions.

## 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 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?page=4

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