Detailed history and photos of helicopter Boeing-Vertol CH-46D Sea Knight Serial 2190 Register 152568 used by US Marine Corps USMC Track service timeline and current status. Aircraft History 152568 US Marine Corps 1966-09-15BV-107M, c/n 2190, ff? del USMC 15Sep66 as CH-46A 152568 asgd Boeing FR Morton PA xfer HMM-262 23Sep66 redesig CH-46D 25May68 w/o 07Nov68, Quang Tri, RVN. HMM-262 Send Updates Use APP to upload photo @ (optional) When Now? / / Send