Accident · 1993-11-12
What the record says
- Event date
- 1993-11-12
- Event type
- Accident
- Highest injury level
- Minor injury
- Aircraft
- HAWKINS & POWERS UH-1B (N91NW)
- Operating rule
- Part 133
- Operator
- NORTHWEST HELICOPTERS, LLC Operator named in NTSB report
- Operated by (per NTSB report)
- NORTHWEST HELICOPTERS, INC.
Probable cause
TOTAL FAILURE OF THE INTERMEDIATE GEARBOX. THE LACK OF SUITABLE TERRAIN FOR AN AUTOROTATION WAS A FACTOR.
Source: NTSB case SEA94LA030Flight crew
Flight-crew details for this event aren't in the NTSB database extract we hold (its coverage starts with 2008 events) — a gap in our data, not an absence of crew.
Facts as the NTSB records them — GroundCheck adds no judgement. Preliminary records may be revised as the investigation proceeds.