# NTSB investigations: Eurocopter Deutschland MBB-BK 117 C-2 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 OPS26LA001](https://openairdocs.org/ntsb/OPS26LA001.md): Eurocopter Deutschland MBB-BK 117 C-2 · Cleveland, OH · Incident · Class 4 · Limited · Investigation open · Oct 29, 2025 · N262MH · 2 aircraft · No damage - [NTSB CEN24LA128](https://openairdocs.org/ntsb/CEN24LA128.md): Eurocopter Deutschland MBB-BK 117 C-2 · West Lafayette, IN · Accident · No injuries · Class 3 · Limited · Final report · Mar 7, 2024 · N191LL · Substantial damage > The failure of maintenance personnel to properly install the tail rotor pitch change slider attachment hardware (T-bolt), which led to the disconnection of the pitch change slider, a loss of tail rotor control, and subsequent hard landing. Contributing to the… - [NTSB ERA22LA145](https://openairdocs.org/ntsb/ERA22LA145.md): Airbus Helicopters MBB-BK 117 C-2 · Abingdon, VA · Accident · Serious injuries · Class 3 · Limited · Final report · Mar 7, 2022 · N29VA · Substantial damage > The pilot’s misalignment of the helicopter skids while landing on a dolly at night, which resulted in the skids becoming entangled with the dolly and a loss of control. Contributing to the accident was the pilot’s fatigue as a result of the time the accident… - [NTSB CEN20LA264](https://openairdocs.org/ntsb/CEN20LA264.md): Mbb BK117 · Wooster, OH · Accident · No injuries · Class 3 · Limited · Final report · Jul 4, 2020 · N263MH · Substantial damage > The entanglement of construction fencing into the main rotor system, which necessitated a forced landing that resulted in substantial damage to the helicopter. - [NTSB GAA18CA012](https://openairdocs.org/ntsb/GAA18CA012.md): Eurocopter Deutschland MBB BK 117 · Canton, IL · Accident · No injuries · Data collection · Final report · Oct 13, 2017 · N140SF · Substantial damage > The flight instructor's incorrect cyclic control during a hover, which resulted in a hard landing. - [NTSB ERA17MA316](https://openairdocs.org/ntsb/ERA17MA316.md): Eurocopter Deutschland MBB BK 117 · Hertford, NC · Accident · 4 fatal · Class 2 · Major · Final report · Sep 8, 2017 · N146DU · Destroyed > A failure of the rear bearing in the No. 2 engine, which (1) created multiple and likely unexpected and confusing cockpit indications, resulting in the pilot's improper diagnosis and subsequent erroneous shutdown of the No. 1 engine, and (2) the resulting… - [NTSB CEN17IA094](https://openairdocs.org/ntsb/CEN17IA094.md): Eurocopter Deutschland MBB BK 117 C-2 · Sioux Falls, SD · Incident · No injuries · Class 2 · Incident · Final report · Jan 27, 2017 · N911MK · Minor damage > The gas generator rear bearing oil scavenge line blocked with coke, which resulted in a failed rear bearing due to an excess of oil lubrication. Contributing to the incident was the operator not completely performing the maintenance items and not utilizing an… - [NTSB ERA13LA134](https://openairdocs.org/ntsb/ERA13LA134.md): Eurocopter Deutschland MBB-BK 117 C-2 · Danville, PA · Accident · No injuries · Limited investigation · Final report · Feb 14, 2013 · N481LF · Substantial damage > The pilot’s decision to conduct a straight-in approach to the helipad, which resulted in the main rotor blade impacting a construction crane flag marker. Contributing to the accident was the erroneous information about the construction crane’s operation time… - [NTSB CEN12CA474](https://openairdocs.org/ntsb/CEN12CA474.md): Eurocopter Deutschland MBB-BK 117 C-2 · Houston, TX · Accident · No injuries · Data collection · Final report · Jul 24, 2012 · N455MH · Substantial damage > The pilot’s inadequate preflight inspection, which failed to detect the unsecured cowling latches and resulted in the in-flight opening of an engine cowling. - [NTSB ERA11LA106](https://openairdocs.org/ntsb/ERA11LA106.md): Eurocopter MBB-BK · Cherry Point, NC · Accident · No injuries · Limited investigation · Final report · Dec 29, 2010 · N854EC · Substantial damage > The pilot's impairment during cruise flight due to a recurring stroke. Contributing to the accident was the Federal Aviation Administration's inadequate oversight of the pilot's known medical condition. - [NTSB ERA09LA464](https://openairdocs.org/ntsb/ERA09LA464.md): Eurocopter Deutschland EC-145 · North Captiva Island, FL · Accident · No injuries · Limited investigation · Final report · Aug 17, 2009 · N911LZ · Substantial damage > The pilot's failure to arrest the helicopter's descent, which resulted in controlled flight into terrain. ## 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 ('5626002')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?model=5626002 --- 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.