Helicopter Sikorsky UH-60M Black Hawk Serial Register 12-20540 used by US Army Aviation Army. Aircraft history and location Aircraft History 12-20540 US Army Aviation 20172-25th AVN 2021-09-23 R20540 Kailua/Kona, Hawaii2023-05-09 SURF39 Honolulu, Hawaii2023-07-01 SURF18 O'ahu, Hawaii2023-07-12 SURF35 Pattaya, 2023-08-02 O'ahu, Hawaii2024-03-28 SURF01 Honolulu, Hawaii2024-04-17 WINGS92 Kahuku, HawaiiCall sign for this aircraft: R20540 SURF01 SURF12 SURF14 SURF18 SURF30 SURF35 SURF39 WINGS92 Send Updates Use APP to upload photo @ (optional) When Now? / / Send