The Boeing Vertol CH-46 Sea Knight is an American medium-lift tandem-rotor transport helicopter powered by twin turboshaft engines. It was designed by Vertol and manufactured by Boeing Vertol following Vertol's acquisition by Boeing.

HMX-1 also formerly operated a small number of CH-46 Sea Knights for utility purposes and a fleet of CH-53E Super Stallions. These aircraft were replaced with MV-22B Ospreys by 2017. [10]

Jul 17, 2014 · “The 46 is one of those aircrafts that’s probably the most stable platform that you can find using tandem rotors,” said John Morgenstern, the field service engineer for HMX-1 for the last 50 years. “The tandem rotors allow the weight of …

Aug 31, 2020 · The new HMX-1 V-22 Osprey will replace the medium-lift capability provided by the CH-46 Sea Knight – better known as the PHROG – which has been in service since the early ’60s.

Since 2013 HMX-1 received 14 MV-22B to replace its CH-53 and CH-46 fleet. The Green Osprey is painted in dark green livery and are used to transport support staff and members of the media during presidential trips.

Dec 7, 2024 · Originally manufactured in February 1970 as a CH-46F (BuNo 157682), this helicopter served in the HMX-1 Presidential Helicopter Squadron, earning its nickname “VH-46F.”

USMC CH-46 were sent to South Vietnam in numbers, from c Mar 1964. There were some unexplained accidents (in addition to damage by enemy action), which resulted in the model being grounded in Sep 1967 due to failures of the aft rotor pylon.

Oct 8, 2013 · The CH-46’s, made by Boeing, had twin main rotors, were also easy to work on due to their size, and they were clean! The following photos show a CH-46 on the flight line at Quantico opened up for maintenance, as well as one with both it’s main rotor blades folded as they would have been for maintenance while in a hanger.

The Boeing Vertol CH-46 Sea Knight is a medium-lift tandem-rotor transport helicopter powered by twin turboshaft aircraft engines designed by Vertol and manufactured by Boeing Vertol following Vertol's acquisition by Boeing.

The mission of the CH-46E Sea Knight helicopter in a Marine Medium Helicopter (HMM) squadron is to provide all-weather, day/night, night vision goggle (NVG) assault transport of combat troops, supplies, and equipment during amphibious and subsequent operations ashore.