Helicopter Sikorsky VH-3D Sea King Serial 61-724 Register 159350 used by US Marine Corps USMC. Aircraft history and location Aircraft History 159350 US Marine Corps HMX-1 HMX-1 2019-05-27 A EGUNArrived at Mildenhall as air-freight, departure next day to Biggin Hill HMX-1 2019-05-28 B EGML Overflight flying southbound over Hornchurch in company with 159356 & 159360. C EGKB tdy for 75th anniversary of D-Day from 28-5 to 05-06 2019 tdy at Biggin Hill HMX-1 2019-06-03 D EGSSstop at Stansted HMX-1 2019-06-06 A EGUNarrived Mildenhall for departure as air-freight HMX-1 Send Updates Use APP to upload photo @ (optional) When Now? / / Send