Helicopter Sikorsky HSS-1N / SH-34J Seabat Serial 58-1721 Register 150725 used by US Marine Corps USMC. Built 1964. Aircraft history and location Aircraft History 150725 US Marine Corps 1964-01-14del USMC as UH-34D, 150725, 14Jan64 damage sustained 10Nov71 w/o MARTD Lakehurst, NJ, 17Jan72. Send Updates Use APP to upload photo @ (optional) When Now? / / Send