# NTSB investigations, 2023: 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 ANC24LA009](https://openairdocs.org/ntsb/ANC24LA009.md): Airbus Helicopters AS350B3 · Palmer, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Dec 26, 2023 · N21FY · Substantial damage
  > The pilot's failure to maintain clearance from snow-covered terrain during the landing approach in flat light conditions.
- [NTSB ERA24LA028](https://openairdocs.org/ntsb/ERA24LA028.md): Robinson Helicopter R22 Beta · Ronkonkoma, NY · Accident · No injuries · Class 4 · Limited · Final report · Oct 28, 2023 · N964SH · Substantial damage
  > The student pilot’s abrupt control input and the flight instructor’s inadequate remedial action, which resulted in a dynamic rollover.
- [NTSB WPR23LA214](https://openairdocs.org/ntsb/WPR23LA214.md): Bell 206B · Filer, ID · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 3, 2023 · N205PA · Substantial damage
  > The pilot’s improper anti-torque pedal inputs during takeoff, which resulted in a loss of helicopter control during takeoff and subsequent dynamic rollover.
- [NTSB ERA23LA251](https://openairdocs.org/ntsb/ERA23LA251.md): Magniflight M24 Orion Plus · Dauphin Island, AL · Accident · No injuries · Class 3 · Limited · Final report · May 30, 2023 · N1777W · Substantial damage
  > A partial loss of engine power due to a loss of combustion in the No. 4 cylinder for undetermined reasons.
- [NTSB ERA23LA172](https://openairdocs.org/ntsb/ERA23LA172.md): Helicopteres Guimbal Cabri G2 · Clarksville, TN · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 29, 2023 · N242JL · Substantial damage
  > The flight instructor’s inadequate remedial action following an abrupt control input by the student pilot, which resulted in abnormal contact with the ground and a dynamic rollover.
- [NTSB ERA23LA114](https://openairdocs.org/ntsb/ERA23LA114.md): Degraw Richard R Summit 23 · Wauchula, FL · Accident · Minor injuries · Class 4 · Limited · Final report · Jan 20, 2023 · N40DG · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard landing and dynamic rollover.

## 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") = 2023
  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=2023

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