# NTSB investigations: MBB BK 117 A-3

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 CEN13FA096](https://openairdocs.org/ntsb/CEN13FA096.md): MBB BK 117 A-3 · Compton, IL · Accident · 3 fatal · Field investigation · Final report · Dec 11, 2012 · N911BK · Substantial damage
  > The inadvertent encounter with inclement weather, including snow, freezing rain, and reduced visibility conditions, which led to the pilot’s spatial disorientation and loss of aircraft control.
- [NTSB ATL04LA055](https://openairdocs.org/ntsb/ATL04LA055.md): MBB BK117A3 · Okeechobee, FL · Accident · Minor injuries · Limited investigation · Final report · Dec 17, 2003 · N911WJ · Substantial damage
  > The pilot continued visual flight into instrument meteorological conditions and experienced spatial disorientation, loss of aircraft control, and in-flight collision with trees and terrain. Factors in the accident were the pilot's failure to follow company…
- [NTSB IAD02FA026](https://openairdocs.org/ntsb/IAD02FA026.md): MBB BK-117 A-3 · Cleveland, OH · Accident · 2 fatal · Field investigation · Final report · Jan 18, 2002 · N626MB · Destroyed
  > pilot's failure to maintain directional control of the helicopter while hovering, which resulted in its collision with a building. Factors were the confined area, tail wind, and wind gusts.
- [NTSB ATL00FA048](https://openairdocs.org/ntsb/ATL00FA048.md): Eurocopter BK117-A3 · St. Petersburg, FL · Accident · 3 fatal · Field investigation · Final report · Apr 25, 2000 · N428MB · Destroyed
  > The pilot's failure to maintain clearance that resulted in the in-flight collision with a tower.
- [NTSB CHI90LA074](https://openairdocs.org/ntsb/CHI90LA074.md): MBB BK-117A-1 · Janesville, WI · Accident · No injuries · Limited investigation · Final report · Jan 30, 1990 · N117M · Substantial damage
  > The pilot-in-command failed to ensure that the engine cowling latches were properly secured prior to departing on the maintenance test flight; the cowling came loose during flight, and contacted the main rotor blades before it separated from the helicopter.
- [NTSB NYC88IA186](https://openairdocs.org/ntsb/NYC88IA186.md): MBB BK-117 · Manhattan, NY · Incident · No injuries · Incident investigation · Final report · Jul 12, 1988 · N135CP · Minor damage
  > Failure of the main rotor blade appears to be the result of a static downward bending overstress, caused by another helicopter hovering over or very close to the main rotor blade as it was in a static/stopped position.

## 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 ('5626015'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=5626015

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