SKYWATCH INCIDENT REPORT PRIMARY CODE: UNIDENTIFIED AERIAL PHENOMENON Date: 04:50 03/06/2023 Callsign: N474PE Origin: TRM Status: Closed Aircraft: C560 Destination: UAO POD: DEN Tail Number: New Destination: Reporting Facility: ZOA Operator: Operator Type: General Aviation Paged: YES REMARKS Aircraft reported an unidentified aerial phenomenon off the left side while NNW bound at FL400, 20NM NW of FMG. The unknown phenomenon was flashing blue and green lights at approximately FL500. TY, AWO advised. SKYWATCH INCIDENT REPORT | DATE: 2023-03-06T04:50 | POD: DEN | PAGE 1 of 1