Investigation Summary
On the evening of August 10, 2018, Richard Russell, a 28-year-old ground service agent, arrived for his shift at Seattle-Tacoma International Airport at 2:36 p.m. At approximately 7:15 p.m. PDT, he used a tow vehicle at the Cargo 1 area to reposition a Bombardier Q400, registration N449QX, which was not scheduled for flight. Russell, who had worked for Horizon Air for four years, was familiar with the aircraft's auxiliary power unit (APU) and start-up checklists through his duties and personal interest in flight simulation. Investigation later revealed a 2017 incident where Russell was confronted by a SkyWest pilot while 'pointing and flipping switches' in an Embraer 175 cockpit, claiming he was learning to use the APU for towing duties. After starting the engines and taxiing to runway 16C, he took off without clearance at 7:33 p.m. During the flight, Russell engaged in erratic but remarkably controlled maneuvers, including a split S maneuver where he pulled up just above the water of Puget Sound. Air traffic controllers attempted to persuade him to land at nearby Joint Base Lewis-McChord, but Russell expressed reluctance, citing his lack of a pilot's license and his mental state. The flight ended at 8:46 p.m. when the aircraft impacted the thick forest of Ketron Island. The FBI's analysis of the Flight Data Recorder (FDR) showed that in the final seconds, the aircraft entered a significant sideslip and Russell pushed the control column forward, indicating an intentional descent into the terrain.
Final Conclusions
The FBI completed its investigation on November 9, 2018, ruling out terrorism and concluding that Richard Russell acted alone. The Pierce County Medical Examiner's Office listed the cause of death as multiple traumatic injuries and the manner of death as suicide. The investigation found that while Russell had no formal flight training, he had used internet resources to learn start-up procedures and was familiar with airport operations through his employment. The TSA also conducted a review and found no violations of security regulations by Horizon Air, as Russell was a properly credentialed employee with authorized access to the aircraft.
Photographic Evidence (1)
Video Analysis
If playback is blocked, the owner has disabled embedding — use the link above.
Airframe & Maintenance
Systems & Failure Modes
Auxiliary Power Unit (APU)
A small engine that provides power to start the main engines; Russell was familiar with its operation through his ground crew duties.
Flight Data Recorder (FDR)
Recovered by the FBI, the FDR showed significant sideslip and confirmed the pilot pushed the control column forward just before impact.
Interesting Facts
- 01The perpetrator was a ground service agent who had been employed by Horizon Air for approximately four years.
- 02The aircraft involved was a Bombardier Dash 8 Q400 valued at approximately $30 million.
- 03No passengers or other crew members were on board the aircraft during the incident.
- 04The FBI ruled out terrorism and determined the crash was an intentional act of suicide.
- 05The perpetrator performed a successful barrel roll and other complex maneuvers despite having no formal pilot training.
Safety Actions & Advisories
Security Protocol Review
Horizon Air and Alaska Airlines worked with the TSA and industry partners to review security protocols regarding employee access to aircraft and airfield equipment.
Known Controversies & Unanswered Questions
Airport Security and Insider Threats
Reference ↗The incident raised significant concerns regarding the 'insider threat' at major airports. Despite having no pilot's license, a credentialed ground employee was able to start, taxi, and take off in a commercial airliner unchallenged, leading to calls for stricter two-person rules for cockpit access and better monitoring of ground crew.
The 'Sky King' Phenomenon
Reference ↗Following the crash, Russell became a posthumous internet folk hero dubbed 'Sky King.' While many viewed his actions as a tragic result of mental health struggles and wage frustration, others criticized the romanticization of an act that could have resulted in mass casualties had the aircraft crashed in a populated area.