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UP-B3720 B37-8 hex 683266 delivered to SCAT and in storage awaiting modification
UP-B3726 B737-9 c/n 43346/7418 hex 683273 in storage with Boeing awaiting modification
UP-B3727 B737-9 c/n 43389/7326 hex 683274 in storage with Boeing awaiting modification
UP-B3729 ?? can find no details but hopefully we get some details in coming days, have asked on mode-s forum
Alan