boeing-vertol
107M H-46 Sea Knight

   
   

Derived from 107-ii

1960        


ModelC/N



107M H-46 Sea Knight


107M H-46 Sea Knight
In 1956, Vertol began studies for a new medium-lift helicopter, with the general configuration of the company's HUP-1 Retriever / H-25 Mule helicopter and based on the rotor system of the company's H-21 Flying Banana , but fitted with new lightweight turboshaft engines then in development. The new machine was given the company designation of Vertol Model 107 (V-107) , and company management decided to go ahead with development using their own funds. Construction of the V-107 prototype began in May 1957. The prototype was powered by two Lycoming T53 turboshaft engines, each with 860 horsepower and lent by the US Army. Initial flight of the prototype was on 22 April 1958. The machine was then put through an intensive program of flight demonstrations in the US and overseas. In June 1958, the Army awarded a contract to Vertol for ten production aircraft designated YHC-1A . The Army also issued a request to industry for a larger helicopter, and so Vertol began design work on what amounted to a scaled up version of the V-107, designated the V-114 . The V-114 won the Army competition in March 1959, and Vertol was awarded a contract for a mockup and five prototypes, to be designated the YHC-1B . Vertol was now busy trying to develop two helicopters at the same time, which severely strained the company and led to the Boeing buyout. The number of YHC-1A prototypes was reduced to three (currently under construction) to free up resources for YHC-1B development. The first flight of the initial YHC-1B prototype was on 21 September 1961. The Army had lost interest in the smaller YHC-1A, but Boeing Vertol still felt there was a market for it and continued development. The US Marine Corps was impressed by the machine and awarded the company a production contract in February 1961. The Marines originally wanted to give the V-107 the military designation of HRB-1 , but in September 1962, the Pentagon introduce a new tri-service uniform designation scheme. The HRB-1 became the CH-46A Sea Knight , while the HC-1B became the CH-47A Chinook. The five V-114 prototypes became YCH-47As



News about this Model:

West Coast Last CH-46E to Davis-Monthan, 06-Nov-14 : DAVIS-MONTHAN AIR FORCE BASE, Arizona by Cpl Owen Kimbrel — CH-46E Sea Knight helicopters with Marine Medium Tiltrotor Squadron (VMM) 364 made their final flight from Marine Corps Air Station Camp Pendleton, California, to Davis-Monthan Air Force Base, Arizona, Oct. 29.

CH-46E Sea Knight final air show flight, 01-Oct-14 : MARINE CORPS AIR STATION MIRAMAR, CA by Cpl. Owen Kimbrel - For decades, the CH-46E Sea Knight has served our country with honor, reliability and time tested dependability.

Half-a-century spent making Phrogs fly, 09-Sep-14 : QUANTICO, Va. by Sgt. Melissa Karnath - A trailer sits near the lone hangar of Marine Helicopter Squadron One on Marine Corps Air Facility Quantico, Virginia.

CH-46E conducts final flights in Japan, 30-Sep-13 : MARINE CORPS BASE CAMP S.D. BUTLER, OKINAWA, Japan by III Marine Expeditionary Force / Marine Corps Installations Pacific - The last of the CH-46E Sea Knight helicopters with Marine Medium Tiltrotor Squadron 262 ( see HMM-262 ) flew from Marine Corps Air Station Futenma to Camp Kinser today to await final disposition.

Phrogs retire as Corps transitions to Osprey, 03-May-13 : USS PELELIU, At Sea by Gunnery Sgt. Jennifer Antoine - The Marine Corps has a long and storied history with the bird they affectionately call the “Phrog.” More than four decades have passed since the CH-46A Sea Knight entered the Corps’ arsenal, and now, 49 years later, the birds will be resting their wings as their last flights come to an end as the Corps transitions to the MV-22 Osprey.

    More News ...

Derivatives and Versions of this model:

ModelYearHistory
    CH-46A     1962 BV-107M, basic assault transport for USMC, 194 built; including 1 static test airframe. Later 33 redesignated to CH-46D.
    CH-46B     1962 In 1962, the US Air Force ordered twelve XH-49A (based on the BV-107/II) for Texas Tower support and Artic Search And Rescue (SAR) duties. The ai ...
    UH-46A     1962 US Navy basic utility version used for vertical replenishment (VERTREP), secondary cargo, personnel transport, & SAR role, 14 built.
    CH-46D     1966 Improved assault transport for USMC, 266 built, including 33 redesignated from CH-46A. Limited number transferred to USN for utility and SAR rol ...
    UH-46D     1966 US Navy improved utility version; used for vertical replenishment (VERTREP); secondary roles of cargo, personnel transport and SAR, 10 built
    CH-46F     1968 USMC advanced transport based on CH-46D, but with improved avionics; 174 built;  30 cancelled. Survivors upgraded to CH-46E from 1979 onward.
    HH-46A     1970 Sixty-one conversion of CH/UH-46A for USN/USMC Search & Rescue. Mods included a rescue hoist, doppler radar, search light, extra fuel tankage in ...
    HH-46D     1970 SAR conversion of CH/UH-46D for USN/USMC.
    CH-46E     1979 ~275 CH-46A/D/F models converted to CH-46E for USMC use.
    B 360     1987 First flown in 1987 the Model 360 is a privately developed advanced technology demonstrator (ATD) rotorcraft, designed to research the companys o ...
    HH-46E     2006 SAR conversion of three CH-46E by NARF Cherry Point for VMR-1, MCAS Cherry Point, NC during 2008. One additional airframe converted in 2011. Sla ...


Organisations with this Model:

From Organisation with model 107M H-46 Sea Knight
1962
usa US Marine Corps
    600 1962/now
usa US Air Force
    CH-46B 1962
   
1964
usa US Navy
    1964/now
 
1975
usa Columbia Helicopters
    CH-46A 2 1975/now
 
2011

usa US Department of State
    2011/now
 

Construction Numbers on database of 107M H-46 Sea Knight or its versions

166CH-46A
1CH-46B
262CH-46D
176CH-46F
14UH-46A
10UH-46D








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