Accident · 1989-09-08

NTSB case SEA89LA170 · HUGHES 369D · Part 135

What the record says

Event date: 1989-09-08
Event type: Accident
Highest injury level: No injuries
Aircraft: HUGHES 369D (N1088N)
Operating rule: Part 135
Operator: Temsco Helicopters, Inc Operator named in NTSB report
Operated by (per NTSB report): TEMSCO HELICOPTERS INC.

Probable cause

THE PILOT FAILED TO OBTAIN CLEARANCE OVER TREES. CONTRIBUTING TO THE ACCIDENT WAS: THE AIRCRAFT BEING ABOVE ITS MAXIMUM CERTIFICATED GROSS WEIGHT LIMITATION AND THE TREES.

Source: NTSB case SEA89LA170

Flight 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.

All incidents →