# NTSB investigations, 2016: Loss of tail rotor effectiveness

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 CEN17WA069](https://openairdocs.org/ntsb/CEN17WA069.md): Sikorsky S92 · North Sea, UK, United Kingdom · Incident · No injuries · Foreign investigation · Dec 28, 2016 · G-WNSR
  > On December 28, 2016, G-WNSR, a Sikorsky S-92A helicopter had a heavy landing on the deck of an offshore platform in the North Sea. The 11 persons on-board were not injured. This accident/incident investigation is under the jurisdiction and control of the…
- [NTSB ERA17LA046](https://openairdocs.org/ntsb/ERA17LA046.md): Robinson Helicopter R22 · West Chester, PA · Accident · No injuries · Limited investigation · Final report · Nov 15, 2016 · N306RL · Substantial damage
  > The flight instructor's decision to continue the practice autorotation in known gusting wind conditions, which resulted in a hard landing and roll over.
- [NTSB WPR16LA142](https://openairdocs.org/ntsb/WPR16LA142.md): Bell UH 1H · Mt. Adams, WA · Accident · No injuries · Limited investigation · Final report · Jul 17, 2016 · N790RJ · Substantial damage
  > The pilot’s failure to maintain yaw control as he slowed the helicopter during a landing approach, which resulted in the loss of helicopter control due to the loss of tail rotor effectiveness.
- [NTSB GAA16CA296](https://openairdocs.org/ntsb/GAA16CA296.md): Robinson Helicopter R22 · Cahokia/St. Louis, IL · Accident · No injuries · Data collection · Final report · Jun 7, 2016 · N931SH · Substantial damage
  > The flight instructor's delayed remedial action and his failure to remain vigilant as the helicopter entered the weathercock stability region, in gusting wind conditions, resulting in loss of tail rotor effectiveness and ground impact.
- [NTSB GAA16CA201](https://openairdocs.org/ntsb/GAA16CA201.md): Helicycle/Morrisey RR RM-1 · Denver, CO · Accident · Minor injuries · Data collection · Final report · Apr 22, 2016 · N867TV · Substantial damage
  > The pilot's failure to maintain control of the helicopter yaw while operating in conditions conducive to loss of tail rotor effectiveness, resulting in an uncommanded rapid right yaw and ground impact.
- [NTSB ERA16CA160](https://openairdocs.org/ntsb/ERA16CA160.md): Bell 206 · Baltimore, MD · Accident · No injuries · Data collection · Final report · Apr 16, 2016 · N326AC · Destroyed
  > The pilot's inadequate compensation for the wind while hovering out of ground effect, which resulted in a loss of tail rotor effectiveness.
- [NTSB GAA16LA117](https://openairdocs.org/ntsb/GAA16LA117.md): Helicopteres Guimbal Cabri · Beaumont, TX · Accident · No injuries · Limited investigation · Final report · Jan 30, 2016 · N503DS · Substantial damage
  > The pilot's inadequate compensation for wind during a hover-taxi and his failure to maintain helicopter control due to a loss of tail rotor effectiveness.
- [NTSB WPR16LA056](https://openairdocs.org/ntsb/WPR16LA056.md): Robinson Helicopter R22 · Las Vegas, NV · Accident · Minor injuries · Limited investigation · Final report · Jan 22, 2016 · N7020U · Substantial damage
  > The loss of helicopter control as a result of the loss of tail rotor effectiveness.

## 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") = 2016
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '242' 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/242/sequence?year=2016

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