# NTSB investigations, 2014: 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 CEN15TA017](https://openairdocs.org/ntsb/CEN15TA017.md): Airbus Helicopters AS 350 B3 · Lordsburg, NM · Accident · Minor injuries · Final report · Oct 17, 2014 · N852BP · Substantial damage
  > The pilot’s failure to maintain adequate drift control and skid clearance from the ground during takeoff, which resulted in a dynamic rollover when the aft right skid contacted a rock.
- [NTSB CEN15CA007](https://openairdocs.org/ntsb/CEN15CA007.md): Bell 206B · Atlanta, AR · Accident · Serious injuries · Data collection · Final report · Oct 3, 2014 · N4426M · 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 CEN14LA520](https://openairdocs.org/ntsb/CEN14LA520.md): Robinson Helicopter R22 Beta · Albuquerque, NM · Accident · Minor injuries · Limited investigation · Final report · Sep 26, 2014 · N7026J · Substantial damage
  > The pilot's failure to maintain main rotor rpm during a pinnacle approach, which resulted in a loss of helicopter control and collision with terrain. Contributing to the accident was the pilot's decision to attempt the approach given the helicopter's weight…
- [NTSB WPR14CA373](https://openairdocs.org/ntsb/WPR14CA373.md): Bell 407 · Moab, UT · Accident · Minor injuries · Data collection · Final report · Sep 11, 2014 · N142MA · Substantial damage
  > The pilot's failure to ensure adequate clearance from terrain while landing on sloped terrain.
- [NTSB WPR14CA319](https://openairdocs.org/ntsb/WPR14CA319.md): Bell 206B · Salinas, CA · Accident · No injuries · Data collection · Final report · Jul 19, 2014 · N291SH · Substantial damage
  > The pilot's failure to ensure adequate clearance from ground obstacles during takeoff which resulted in loss of aircraft control.
- [NTSB WPR14CA256](https://openairdocs.org/ntsb/WPR14CA256.md): Robinson Helicopter R22 Beta · Long Beach, CA · Accident · No injuries · Data collection · Final report · Jun 20, 2014 · N681SH · Substantial damage
  > The pilot's failure to maintain aircraft control while maneuvering for landing.
- [NTSB WPR14LA225](https://openairdocs.org/ntsb/WPR14LA225.md): Emery Mark Rotorway 162F · Merced, CA · Accident · No injuries · Limited investigation · Final report · Jun 4, 2014 · N78291 · Destroyed
  > The helicopter pilot/owner's decision to install a belt type not recommended by the kit manufacturer in the tail rotor drive system using the incorrect tension values, which led to the belt’s in-flight failure and the subsequent loss of tail rotor drive…
- [NTSB ERA14CA259](https://openairdocs.org/ntsb/ERA14CA259.md): Brantly B 2B · Essex, MD · Accident · No injuries · Data collection · Final report · May 25, 2014 · N9023Z · Substantial damage
  > The pilot's failure to maintain helicopter control during landing resulting in a hard landing and a roll over.
- [NTSB WPR14CA196](https://openairdocs.org/ntsb/WPR14CA196.md): Bell 47G · Bakersfield, CA · Accident · No injuries · Data collection · Final report · May 18, 2014 · N16414 · Substantial damage
  > The pilot's failure to maintain aircraft control after the helicopter's skid catching on the side of a trailer during takeoff, which resulted in a dynamic rollover.
- [NTSB WPR14LA180](https://openairdocs.org/ntsb/WPR14LA180.md): Bell 47G · El Monte, CA · Accident · Minor injuries · Limited investigation · Final report · May 3, 2014 · N7895B · Substantial damage
  > A partial loss of engine power during climbout due to a malfunctioning magneto and spark plugs.
- [NTSB ERA14CA217](https://openairdocs.org/ntsb/ERA14CA217.md): Robinson Helicopter R22 Beta · Frederick, MD · Accident · Minor injuries · Data collection · Final report · May 1, 2014 · N802CP · Substantial damage
  > The student pilot's failure to maintain directional control during the hover, and the flight instructors lack of remedial action, resulting in a dynamic rollover and structural damage to the helicopter.
- [NTSB WPR14LA159](https://openairdocs.org/ntsb/WPR14LA159.md): Bell 206B III · Missoula, MT · Accident · Minor injuries · Limited investigation · Final report · Apr 4, 2014 · N43MA · Substantial damage
  > A dynamic rollover during attempted liftoff.
- [NTSB WPR14LA113](https://openairdocs.org/ntsb/WPR14LA113.md): Bell 206 · Bountiful, UT · Accident · No injuries · Limited investigation · Final report · Feb 5, 2014 · N3211N · Substantial damage
  > The pilots' inaccurate assessment of the snow depth on the landing zone, which resulted in a landing on snow deeper than that for which the helicopter was equipped and led to dynamic rollover.
- [NTSB CEN14CA108](https://openairdocs.org/ntsb/CEN14CA108.md): Robinson Helicopter R22 Beta · Beaumont, TX · Accident · No injuries · Data collection · Final report · Jan 9, 2014 · N994HV · Substantial damage
  > The student pilot not controlling the helicopter following a wind gust and the flight instructor's inadequate remedial action resulting in the helicopter rolling over on its side during a landing.

## 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") = 2014
  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=2014

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