NTSB investigations: Messerschmitt-Bolkow-Blohm BK 117 B-2

6 cases on aircraft the registry lists as Messerschmitt-Bolkow-Blohm BK 117 B-2. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Cases per year

19972026
NTSB investigations: Messerschmitt-Bolkow-Blohm BK 117 B-2 per year, 1997–2026: 6 cases
19971
20111
20171
20181
20221
20251

Latest cases

Query with SQL
duckdb -csv -c "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 ('5626013'))
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB CEN25LA163Accident · Serious injuriesClass 4 · LimitedFinal reportMesserschmitt-Bolkow-Blohm BK 117 · Hartford, ILThe pilot’s failure to maintain directional control during the initial climb at night from a confined area landing zone, that resulted in an impact with a tree, a loss of control, and a subsequent impact with terrain.Apr 25, 2025 · N880SL · Substantial damageNTSB ERA22LA229Accident · No injuriesClass 3 · LimitedFinal reportMesserschmitt-Bolkow-Blohm BK 117 B-2 · Rochester, NYAn unintentional movement of the cyclic control before takeoff, which resulted the main rotor blades contacting the fixed wire cutter.May 14, 2022 · N370SS · Substantial damageNTSB CEN18LA115Accident · No injuriesLimited investigationFinal reportMesserschmitt-Bolkow-Blohm BK 117 B-2 · Sheboygan, WIThe restricted cyclic control movement for reasons that could not be determined because postaccident examination and testing of the cyclic control system did not reveal any evidence of mechanical malfunctions or failures that would have precluded normal…Mar 5, 2018 · N1174U · Substantial damageNTSB CEN17FA252Accident · Minor injuriesField investigationFinal reportAirbus Helicopters Deutschland MBB-BK 117 B-2 · Perryville, MOFuel starvation due to the pilot’s failure to turn on the fuel transfer pump switches during takeoff, which led to a total loss of engine power. Contributing to the accident was the pilot's improper decision to activate the annunciator panel’s dimming…Jul 2, 2017 · N238BK · Substantial damageNTSB CEN12CA078Accident · No injuriesData collectionFinal reportMesserschmitt-Bolkow-Blohm BK 117 B-2 · Carbondale, ILThe main rotor blade’s contact with the vertical stabilizer during the engine shutdown in strong, gusty wind conditions.Nov 13, 2011 · N330SL · Substantial damageNTSB NYC97FA076Accident · 1 fatalField investigationFinal reportEurocopter MBB-BK117-B2 · New York, NYFatigue failure of the vertical fin, accelerated by the installation of blind rivets in lieu of solid rivets in the replacement of the yaw SAS mount support, which resulted in the loss of helicopter directional control and collision with the terrain (water).…Apr 15, 1997 · N909CP · Destroyed