# NTSB investigations: Rotorcraft flight control, general

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 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 GAA16CA160](https://openairdocs.org/ntsb/GAA16CA160.md): Robinson R44 · Oak Island, NC · Accident · Minor injuries · Data collection · Final report · Mar 23, 2016 · N843JB · Substantial damage
  > The student pilot's failure to maintain a stabilized hover, resulting in a loss of control and an impact with terrain.
- [NTSB WPR14CA006](https://openairdocs.org/ntsb/WPR14CA006.md): Siemens Rotorway Exec 162F · Nampa, ID · Accident · Minor injuries · Data collection · Final report · Oct 5, 2013 · N104BJ · Substantial damage
  > A flight control malfunction during cruise flight for reasons that could not be determined. No follow-up examination was conducted due to a lapse in agency funding and subsequent government shutdown.
- [NTSB WPR12LA219](https://openairdocs.org/ntsb/WPR12LA219.md): Enstrom F28 · Twin Falls, ID · Accident · No injuries · Limited investigation · Final report · May 20, 2012 · N63VP · Substantial damage
  > The pilot's inability to maintain helicopter control during cruise flight due to the failure of the No. 2 main rotor Lamiflex bearing. Contributing to the accident was the pilot's decision to operate the helicopter with a known deficiency and the helicopter’s…
- [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.
- [NTSB ANC08LA083](https://openairdocs.org/ntsb/ANC08LA083.md): Bell UH-1B · Iliamna, AK · Accident · No injuries · Limited investigation · Final report · Jun 30, 2008 · N64RA · Substantial damage
  > The failure of company maintenance personnel to ensure the helicopter was properly maintained, resulting in a severe in-flight vibration due to collective bounce. Contributing to the accident was loose and worn bearings on the helicopter's stabilizer bar,…
- [NTSB DFW08TA066](https://openairdocs.org/ntsb/DFW08TA066.md): Hughes OH-6 · Valentine, TX · Accident · Minor injuries · Final report · Feb 8, 2008 · N66372 · Substantial damage
  > The contract mechanic's failure to properly secure the castellated nut that attached the governor lever control rod to the idler bell crank. Contributing to the accident was the lack of maintenance oversight by the operator.
- [NTSB SEA08CA059](https://openairdocs.org/ntsb/SEA08CA059.md): Bell 206 B2 · La Verna, CA · Accident · No injuries · Data collection · Final report · Jan 13, 2008 · N49588 · Substantial damage
  > The pilot's improper preflight planning which resulted in a jammed cyclic control while maneuvering.
- [NTSB SEA08CA065](https://openairdocs.org/ntsb/SEA08CA065.md): Robinson R-22 · Riverside, CA · Accident · No injuries · Data collection · Final report · Jan 8, 2008 · N8280J · Substantial damage
  > The pilot's misjudged landing flare and improper use of the collective control.

## 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '01046700'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/01046700/cases

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