The NTSB found a Hawker 900XP crashed in Utah on Feb. 7, 2024 while the crew conducted a post‑maintenance, crew‑flown stall test. Investigators concluded contamination of the wing leading edges and reinstalled de‑ice panels, combined with inadequate stall training, led to an unrecoverable spin and crash.
Discovered |
Briefing
Exposes gaps in post‑maintenance test protocols and oversight: the NTSB found contamination after removal/inspection/reinstallation of leading‑edge and de‑ice panels precipitated the aerodynamic departure. See related NTSB findings on the Hawker post‑maintenance spin.
Underscores the acute aerodynamic penalty from even small surface contamination and the need for strict deicing and inspection controls during maintenance returns to service; echoes past accidents where contaminated lifting surfaces produced catastrophic stalls.
Raises likely regulatory and MRO scrutiny of crew qualifications for flight‑testing and of maintenance handover procedures; similar maintenance‑oversight probes have prompted industry and investigator follow‑ups.
https://hype.aero/?story=428f08e7-9585-48f7-857e-3c50673246be
https://hype.aero/?story=c4721dc7-b4a9-4212-9b42-085dd1bf9e82
https://hype.aero/?story=20b2902d-2c82-4536-8484-e9ec8855b32c
Reported By
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GlobalAir.com
• Jadda Tyree