11 Aug 2018: De Havilland DHC8 402 — Horizon Air Industries Inc

11 Aug 2018: De Havilland DHC8 402 (N449QX) — Horizon Air Industries Inc

1 fatality • Steilacoom, WA, United States

Probable cause

The NTSB did not determine the probable cause of this event and does not plan to issue an investigative report or open a public docket. The investigation of this event is being conducted under the jurisdiction of the Federal Bureau of Investigation.

— NTSB Determination

Accident narrative

On August 10, 2018, about 2043 Pacific daylight time, a De Havilland DHC-8-402, N449QX, was destroyed when it impacted trees on Ketron Island, near Steilacoom, WA. The noncertificated pilot was fatally injured. The airplane was registered to Horizon Air Industries, Inc., and was being operated by the noncertificated pilot as an unauthorized flight. Visual meteorological conditions prevailed in the area at the time of the event, and no flight plan was filed. The airplane departed from the Seattle-Tacoma International Airport, Seattle, Washington, about 1932.

Horizon Air personnel reported that the noncertificated pilot was employed as a ground service agent and had access to the airplanes on the ramp.

The investigation of this event is being conducted under the jurisdiction of the Federal Bureau of Investigation (FBI). The NTSB provided requested technical assistance to the FBI, and any material generated by the NTSB is under the control of the FBI. The NTSB does not plan to issue an investigative report or open a public docket.

Contributing factors

cause Other authority investigated
Ground crew

Conditions

Weather: VMC, wind 240/07kt, vis 10sm

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