Accident · 2015-02-19
What the record says
- Event date
- 2015-02-19
- Event type
- Accident
- Highest injury level
- No injuries
- Aircraft
- BELL/GARLICK UH 1H (N166DR)
- Operating rule
- Part 137
- Operator
- NORTHWEST HELICOPTERS, LLC Operator named in NTSB report
- Operated by (per NTSB report)
- NORTHWEST HELICOPTERS LLC
Probable cause
The fatigue failure of the engine-to-transmission driveshaft adapter attachment bolt due to the application of inadequate torque on the bolt during assembly.
Source: NTSB case WPR15LA109Flight crew
Certification and experience as recorded in the NTSB accident database for this event. The NTSB records these facts about the crew's flying history; GroundCheck shows them as filed, without names or identities.
| Role | Certificate | Instrument rating | Age | Medical | Flight hours |
|---|---|---|---|---|---|
| Pilot pilot flying | Airline transport pilot / Commercial | Airplane | 64 | Class 2 (2014-03-21) | 16,600 total · 700 in this make/model · 15,800 as PIC |
Facts as the NTSB records them — GroundCheck adds no judgement. Preliminary records may be revised as the investigation proceeds.