# NTSB investigations, 2017: 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 CEN18FA001](https://openairdocs.org/ntsb/CEN18FA001.md): Brantly B 2B · Midland, MI · Accident · 1 fatal · Field investigation · Final report · Oct 1, 2017 · N2284U · Substantial damage
  > The pilot's failure to maintain control of the helicopter, which resulted in a loss of tail rotor effectiveness, and his failure to promptly initiate the proper recovery technique, which resulted in a descent that could not be arrested before impacting the…
- [NTSB ERA17LA305](https://openairdocs.org/ntsb/ERA17LA305.md): MD Helicopter 369 · Lawrenceville, GA · Accident · Serious injuries · Limited investigation · Final report · Sep 1, 2017 · N5189K · Substantial damage
  > The pilot's inadequate compensation for wind conditions during the approach to landing, which resulted in a loss of helicopter control due to a loss of tail rotor effectiveness.
- [NTSB GAA17CA495](https://openairdocs.org/ntsb/GAA17CA495.md): Bell 206 · Minden, NV · Accident · No injuries · Data collection · Final report · Aug 20, 2017 · N6259C · Substantial damage
  > The pilot’s failure to maintain helicopter control during landing due to a loss of tail rotor effectiveness.
- [NTSB CEN17LA267](https://openairdocs.org/ntsb/CEN17LA267.md): Robinson Helicopter R44 · Ireland, IN · Accident · Serious injuries · Limited investigation · Final report · Jul 8, 2017 · N7224U · Destroyed
  > The pilot's failure to apply the proper procedures to recover from a loss of tail rotor effectiveness, which resulted in a loss of control during an aerial application turn.
- [NTSB WPR17LA143](https://openairdocs.org/ntsb/WPR17LA143.md): Robinson Helicopter R44 II · Ronan, MT · Accident · Serious injuries · Limited investigation · Final report · Jul 6, 2017 · N442DR · Substantial damage
  > The pilot's failure to maintain adequate airspeed, which resulted in a loss of tail rotor effectiveness during a low-altitude orbiting maneuver and a subsequent hard landing.
- [NTSB GAA17CA393](https://openairdocs.org/ntsb/GAA17CA393.md): Bell 206 · Dixon, KY · Accident · No injuries · Data collection · Final report · Jul 6, 2017 · N8159J · Substantial damage
  > The pilot’s failure to see and avoid power lines while maneuvering at a low altitude. Contributing to the accident was the pilot’s failure to adequately identify hazards to flight during agricultural application operation planning.
- [NTSB GAA17CA376](https://openairdocs.org/ntsb/GAA17CA376.md): Robinson Helicopter R22 · Kelso, WA · Accident · No injuries · Data collection · Final report · Jun 30, 2017 · N8361N · Substantial damage
  > The flight instructor’s delayed remedial action, which resulted in a loss of helicopter control due to a loss of tail rotor effectiveness.
- [NTSB GAA17CA369](https://openairdocs.org/ntsb/GAA17CA369.md): Bell 206B · Entiat, WA · Accident · No injuries · Data collection · Final report · Jun 26, 2017 · N183TC · Substantial damage
  > The pilot’s failure to secure a loose item inside the cockpit that interfered with antitorque pedal control and led to a loss of helicopter control due to a loss of tail rotor effectiveness.
- [NTSB GAA17CA251](https://openairdocs.org/ntsb/GAA17CA251.md): Bender Joseph KIT Rotoway · Wheatland, WY · Accident · No injuries · Data collection · Final report · Apr 30, 2017 · N164JB · Substantial damage
  > The pilot's decision to operate the helicopter in gusting wind and high-density altitude conditions and his positioning of the helicopter such that it resulted in a right quartering tailwind, which resulted in a loss of helicopter control due to a loss of…
- [NTSB ERA17LA168](https://openairdocs.org/ntsb/ERA17LA168.md): Robinson R44 · Newton, NC · Accident · Minor injuries · Limited investigation · Final report · Apr 27, 2017 · N728CB · Substantial damage
  > The pilot's failure to maintain an adequate airspeed during out-of-ground-effect maneuvering at a low airspeed with a tailwind, which resulted in a loss of helicopter control due to a loss of tail rotor effectiveness.
- [NTSB GAA17CA237](https://openairdocs.org/ntsb/GAA17CA237.md): Brantly B 2B · Earl Park, IN · Accident · No injuries · Data collection · Final report · Apr 18, 2017 · N2198U · Substantial damage
  > The pilot’s failure to recognize that he was operating in the weathercock stability flight regime of loss of tail rotor effectiveness, which resulted in a loss of directional control during the execution of a right pedal turn.

## 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") = 2017
  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=2017

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