The UAS Experienced A Total Loss Of Engine Power And Began An Uncommanded Descent On August 20, 2025, at about 0632 Alaska daylight time, a Platform Aerospace VA 001 Unmanned Aerial System (UAS), N246VU, was substantially damaged when it was involved in an accident on a beachside cliff near Ninilchik, Alaska. The aircraft was unmanned. The aircraft was operated under Title 14 Code of Federal Regulations as a Public Use Armed Forces Aircraft on a Certificate of Authorization (COA) Waiver. According to the operator, the airplane was returning to Kenai Municipal Airport in Kenai Alaska after a 72-hour continuous flight to Shemya Island.