Accident · 1998-11-29

NTSB case SEA99LA016 · McDonnell Douglas MD-900 · Part 135

What the record says

Event date: 1998-11-29
Event type: Accident
Highest injury level: No injuries
Aircraft: McDonnell Douglas MD-900 (N977LF)
Operating rule: Part 135
Operator: Idaho Helicopters, Inc. Operator named in NTSB report
Operated by (per NTSB report): IDAHO HELICOPTERS, INC.

Probable cause

The pilot-in-command's not obtaining/maintaining clearance with the unmarked transmission lines. Contributing factors were environmental (dusk) conditions, the transmission lines, and both the pilot-in-command and the ground personnel not identifying the existence of the hazardous condition (high wires).

Source: NTSB case SEA99LA016

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.

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