Hawker Beechcraft Corp HAWKER 900XP accident near Westwater, UT

On February 7, 2024, a Hawker Beechcraft Corp HAWKER 900XP (airplane) was involved in an accident near Westwater, UT. 2 people died. Damage to the aircraft: destroyed.

Date
February 7, 2024
Place
Westwater, UT
Aircraft
Hawker Beechcraft Corp HAWKER 900XP · Airplane
Injuries
2 fatal, 0 serious, 0 minor
Damage
Destroyed
Position
39.266°N, 109.056°W
NTSB ID
20240207193761

Official records · WPR24FA083

NTSB summary

HISTORY OF FLIGHTOn February 7, 2024, about 1048 mountain standard time, a Hawker 900XP, N900VA, was destroyed when it was involved in an accident near Westwater, Utah. The PIC and SIC were fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations (CFR) Part 91 positioning flight. The airplane, which was owned by Vici Aviation, LLC, and operated by Clay Lacy Aviation, Inc., arrived at West Star Aviation’s facility at Grand Junction Regional Airport (GJT), Grand Junction, Colorado, on December 20, 2023, for routine maintenance. According to the maintenance facility, multiple routine inspections were completed on the airplane including a required removal of the wing leading edges and de-icing panels to inspect for cracks and signs of corrosion. The airplane was subsequently returned to service on February 6, 2024. The flight crew planned to fly the airplane from GJT to Gig Harbor, Washington, on the day of the accident while performing a required post-maintenance stall warning and systems check en route to their destination. At 1036:41 the SIC reported to the PIC that anti-ice was off while the airplane was on the ground before departure. ADS-B and flight data recorder (FDR) data indicated that the airplane departed GJT at 1037 and entered a climb on a southeast heading. At 1038:45, the flight crew asked departure control for a block of altitude in the “mid-teens for about ten minutes.” Thirty-two seconds later the SIC reported again that “anti-ice is off.” At 1039:54, the PIC told the SIC “we’ll request a ah altitude once we get above in V-M-C.” Th

Probable cause

The flight crew’s decision to conduct a post-maintenance stall test in an area of icing conditions, which resulted in wing contamination that significantly decreased the airplane’s critical angle of attack. Also causal was the airplane manufacturer’s lack of training and experience requirements for the flight crew to safely conduct the stall test, which resulted in an attempted remedial action tha

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