Boeing-Vertol CH-46 Sea Knight
in
US Marine Corps

The USMC retired the Phrog (CH-46) from service in Aug 2015.

1962 : CH-46A, basic assault transport, 194 built; 33 conv to CH-46D.
          BuNos 150265-150278 : HRB-1
          BuNos 150933-150968 : HRB-1
          BuNos 151906-151961 : CH-46A
          BuNos 152496-152579 : CH-46A
1962 : UH-46A, utility/cargo variant for US Navy service
          BuNos 151902-151905
          BuNos 152490-152495
1965 : CH-46D, improved transport
          BuNos 153314-153403
          BuNos 153951-154044
          BuNos 154789-154844
1965 : HH-46D, CH-46D and HH-46A upgraded to improved Base SAR version. Known as 'Pedro.'
          BuNos 153404-153413 : UH-46D
          BuNos 153556-153558 : UH-46D
1968 : CH-46F, improved transport based on CH-46D with same engines, but advanced avionics
          BuNos 154845-154862
          BuNos 155301-155318
          BuNos 155319-155336 : cancelled, not built
1974 : HH-46A, SAR conversion of ~59 existing CH/UH-46A. Converted by NARF North Island & NARF Cherry Point for USN & USMC Base, Station, & Shipboard SAR use
1979 : CH-46E, upgrade conversion in lieu of procurement (CILOP) of existing CH-46A/D/F models to common CH-46E standard. Included new engines, fibreglass rotors and advanced avionics. Further upgraded in early 1990s under Survivability, Reliability, & Maintainability (SR&M) program. ~275 airframes completed.
2006 : HH-46E SAR conversion of CH-46E

Oct.2014 : HMM-364 retire last West Coast CH-46E
Oct.2015 : HMM-774 retire last East Coast CH-46E


CH-46s parked on bow of assault carrier USS New Orleans (LPH-11), June 1988 .


On USS Guam (LPH-9) underway off the coast of Lebanon, 1982.