Accident · 2020-07-10

NTSB case ANC20CA068 · Robinson R44 · Part 135

What the record says

Event date
2020-07-10
Event type
Accident
Highest injury level
No injuries
Aircraft
Robinson R44 (N878CB)
Operating rule
Part 135
Operator
HELICOPTER AIR ALASKA, LLC Operator named in NTSB report
Operated by (per NTSB report)
Helicopter Air Alaska, LLC

Probable cause

The crew leader's decision to throw a chainsaw bar into the moving arc of the main rotor blade.

Source: NTSB case ANC20CA068

Flight 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.

RoleCertificateInstrument ratingAgeMedicalFlight hours
Pilot pilot flyingFlight instructor / CommercialHelicopter30Class 2 (2020-07-08)1,533 total · 660 in this make/model · 1,472 as PIC · 95 last 90 days

Facts as the NTSB records them — GroundCheck adds no judgement. Preliminary records may be revised as the investigation proceeds.

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