SKYWATCH INCIDENT REPORT PRIMARY CODE: UNIDENTIFIED AERIAL PHENOMENON Date: 18:10 04/27/2023 Callsign: N899SC Origin: SNA Status: Closed Aircraft: G280 Destination: HOU POD: DEN Tail Number: New Destination: Reporting Facility: ZAB Operator: Operator Type: General Aviation Paged: YES REMARKS Aircraft reported an unidentified aerial phenomenon off the front while E bound at FL430, 20NM W of GBN. The unknown phenomenon was white and oval in shape traveling towards them at approximately FL430, then turned away and climbed to about FL470. The object was identified on TCAS but did not issue an RA. Closest proximity was 10NM. SKYWATCH INCIDENT REPORT | DATE: 2023-04-27T18:10 | POD: DEN | PAGE 1 of 1