Four Corners Aviation (ULA) has ceased Cessna Citation charter operations following the retirement of its sole Citation XLS from its Part 135-certified fleet, ch-aviation research reveals.

N619FK (msn 560-5777), a 16.7-year-old aircraft configured for up to eight passengers, was last active under Four Corners Aviation’s ‘ULA’ code on December 31, 2024, flying between Dallas/Fort Worth and Dallas Addison, where it was based. Originally registered in Sweden, it was exported to the United States in 2022 and joined…

Source: ch aviation
Read more: US's Four Corners Aviation ceases Citation charter ops