# NTSB investigations: Brantly B-2B, OK

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 CEN09CA133](https://openairdocs.org/ntsb/CEN09CA133.md): Brantly B-2B · Cement, OK · Accident · Minor injuries · Data collection · Final report · Jan 14, 2009 · N2252U · Substantial damage
  > The pilot's failure to maintain proper airspeed and descent rate during approach, which resulted in a hard landing. Contributing to the accident were the nearby power lines.
- [NTSB FTW03LA011](https://openairdocs.org/ntsb/FTW03LA011.md): Brantly Helicopter B-2B · Vinson, OK · Accident · No injuries · Limited investigation · Final report · Oct 12, 2002 · N9008H · Substantial damage
  > The pilot's inadvertent flight into adverse weather conditions during cruise resulting in his failure to maintain control of the helicopter, and his failure to maintain rotor rpm. Contributing factors relating to the accident included the frontal activity…
- [NTSB FTW95LA172](https://openairdocs.org/ntsb/FTW95LA172.md): Brantly Helicopter B-2B · Elk City, OK · Accident · No injuries · Limited investigation · Final report · Mar 9, 1995 · N2266U · Substantial damage
  > The pilot's failure to maintain proper altitude during a hovering turn. A factor was the low temperature.
- [NTSB FTW88LA152](https://openairdocs.org/ntsb/FTW88LA152.md): Brantly Helicopter B-2B · Sallisaw, OK · Accident · No injuries · Limited investigation · Final report · Aug 25, 1988 · N2264U · Substantial damage
  > Acft experienced a hard landing and rolled over following a loss of control in a hover. Plt delayed cutting the throttle in order to clear a ditch. Investigation revealed that the tail rotor driveshaft coupling retaining screw had separated. The separation…
- [NTSB FTW80DPJ01](https://openairdocs.org/ntsb/FTW80DPJ01.md): Brantly B-2B · Guymon, OK · Accident · No injuries · Closed · Oct 1, 1979 · N2191U · Substantial damage
- [NTSB FTW76FPJ18](https://openairdocs.org/ntsb/FTW76FPJ18.md): Brantly B2B · Frederick, OK · Accident · Minor injuries · Closed · Dec 9, 1975 · N2180U · Substantial damage
- [NTSB FTW66A0042](https://openairdocs.org/ntsb/FTW66A0042.md): Brantly B-2B · Wynne Wood, OK · Accident · No injuries · Closed · Nov 6, 1965 · N2274U · Substantial damage
- [NTSB FTW66A0012](https://openairdocs.org/ntsb/FTW66A0012-176332.md): Brantly B2B · Yukon, OK · Accident · No injuries · Closed · Sep 15, 1965 · N2252U · Substantial damage
- [NTSB UNK64X1834](https://openairdocs.org/ntsb/UNK64X1834.md): Brantly B2B · Tulsa, OK · Accident · Minor injuries · Closed · May 18, 1964 · N2170U · Destroyed

## 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."eventStateOrRegion" = 'OK' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1440506'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1440506&state=OK

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.