# NTSB investigations, 2013: 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 ERA14WA047](https://openairdocs.org/ntsb/ERA14WA047.md): Robinson R66 · Rio de Janeiro, Brazil · Accident · 1 fatal · Foreign investigation · Nov 20, 2013 · PR-MXM · Substantial damage
- [NTSB WPR14CA041](https://openairdocs.org/ntsb/WPR14CA041.md): Bell 206B · Superior, MT · Accident · No injuries · Data collection · Final report · Nov 2, 2013 · N888DR · Substantial damage
  > The pilot's failure to maintain aircraft control while maneuvering during a long-line operation.
- [NTSB ANC13TA076](https://openairdocs.org/ntsb/ANC13TA076.md): Bell UH-1B · Tok, AK · Accident · No injuries · Final report · Aug 8, 2013 · N70NW · Substantial damage
  > The failure of the tail rotor crosshead bearing, which resulted in a loss of tail rotor control.
- [NTSB WPR13FA343](https://openairdocs.org/ntsb/WPR13FA343.md): Robinson Helicopter R44 II · Thompson Falls, MT · Accident · 1 fatal · Field investigation · Final report · Jul 27, 2013 · N25WH · Substantial damage
  > The pilot's failure to maintain helicopter control while operating in conditions conducive to a loss of tail rotor effectiveness.
- [NTSB ERA13LA314](https://openairdocs.org/ntsb/ERA13LA314.md): Sikorsky 269C · Burnham, ME · Accident · Serious injuries · Limited investigation · Final report · Jul 3, 2013 · N888ZW · Substantial damage
  > The pilot's failure to maintain yaw control while operating out of ground effect at a low airspeed, which resulted in the loss of tail rotor effectiveness, an uncontrolled descent, and an in-flight collision with trees and terrain. Contributing to the…
- [NTSB CEN13LA310](https://openairdocs.org/ntsb/CEN13LA310.md): Bell Helicopter Textron 206L-1 · La Junta, CO · Accident · No injuries · Limited investigation · Final report · May 7, 2013 · N20Z · Substantial damage
  > The pilot's inadequate compensation for wind during low-altitude operations, which resulted in a loss of tail rotor effectiveness.
- [NTSB WPR13TA205](https://openairdocs.org/ntsb/WPR13TA205.md): Bell BHT407 · Big Fork, MT · Accident · No injuries · Final report · Apr 25, 2013 · N937GR · Substantial damage
  > The pilot’s failure to maintain helicopter control while maneuvering over mountainous terrain in strong up/downdrafts and possible mountain wave activity, which resulted in a loss of tail rotor effectiveness.
- [NTSB CEN13TA165](https://openairdocs.org/ntsb/CEN13TA165.md): Bell OH-58A · Pine Springs, TX · Accident · Minor injuries · Final report · Feb 14, 2013 · N337PW · Substantial damage
  > The pilot's failure to maintain directional control while operating in conditions conducive to a loss of tail rotor effectiveness.
- [NTSB CEN13LA148](https://openairdocs.org/ntsb/CEN13LA148.md): Robinson R22 Beta II · Gillett, TX · Accident · Serious injuries · Limited investigation · Final report · Feb 1, 2013 · N3059Q · Substantial damage
  > A loss of tail rotor effectiveness while manuevering at low altitude.

## 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") = 2013
  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=2013

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