CH-AVIATION · AIRLINESRUSSIA'S TULPAR AIR ADDS CHALLENGER 850 IMPORTED IN MID-2026...This article is only available with a subscription for Commercial Aviation News, Operator & Airport DataSCOTT: Ask what this does to pairings, the MEL, and the jumpseat. Press releases are written for investors. You fly the leftover.READ THE STORY AT CH-AVIATION...