# NTSB investigations: Brantly B-2B: Loss of control in flight

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 CEN20LA304](https://openairdocs.org/ntsb/CEN20LA304.md): Brantly B2B · Monrovia, IN · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 24, 2020 · N383ES · Destroyed
  > The pilot’s loss of control after takeoff for reasons that could not be determined based on the available information.
- [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 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.
- [NTSB CEN16LA135](https://openairdocs.org/ntsb/CEN16LA135.md): Brantly B 2B · Galena, MO · Accident · Serious injuries · Limited investigation · Final report · Mar 25, 2016 · N2266U · Substantial damage
  > The pilot’s loss of control for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB ERA14CA259](https://openairdocs.org/ntsb/ERA14CA259.md): Brantly B 2B · Essex, MD · Accident · No injuries · Data collection · Final report · May 25, 2014 · N9023Z · Substantial damage
  > The pilot's failure to maintain helicopter control during landing resulting in a hard landing and a roll over.
- [NTSB CEN13LA546](https://openairdocs.org/ntsb/CEN13LA546.md): Brantly B-2B · Rothbury, MI · Accident · Minor injuries · Limited investigation · Final report · Aug 29, 2013 · N2253U · Substantial damage
  > The pilot’s failure to maintain helicopter control while turning to avoid trees during an aborted takeoff in gusting wind conditions.
- [NTSB CEN11LA067](https://openairdocs.org/ntsb/CEN11LA067.md): Brantly B-2B · Post, TX · Accident · 1 fatal · Limited investigation · Final report · Nov 14, 2010 · N2268U · Substantial damage
  > The pilot's decision to operate the helicopter over the maximum gross weight and forward of the recommended center of gravity.
- [NTSB CEN09CA511](https://openairdocs.org/ntsb/CEN09CA511.md): Brantly B-2B · Martinsville, IN · Accident · No injuries · Data collection · Final report · Aug 9, 2009 · N9023Z · Substantial damage
  > The pilot's improper recovery during the autorotation. Contributing to the accident was the pilot's delayed remedial action to abort the practice autorotation.

## 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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1440506')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '240' 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/240/sequence?model=1440506

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