Military Review

CH-46E Sea Knight helicopters will soon retire

44
The last of the American heavy transport helicopters, the CH-46E Sea Knight (Sea Knight) from the 262 Squadron of the Marine Corps (USMC) USA, departed from the KMP Futenma airbase at Camp Kinser. Both bases are located in Japan in Okinawa Prefecture. At Camp Kinser, a helicopter will be awaiting a decision on withdrawal from service. Currently, these transport helicopters in the proportion of 1 to 1 are being replaced with the latest MV-22 Osprey converters. The complete replacement of the CH-46 Sea Knight helicopters with convertible planes should be completed in the 2014 year, at the same time the “Sea Knights” will be completely decommissioned.


Convertiplanes replacing helicopters have 2 times more speed, are able to carry 2 times more cargo and fly 4 times longer than SN-46E. The deployment of Osprey convertiplanes in Okinawa will significantly strengthen the US’s ability to defend Japan, as well as humanitarian missions for man-made or natural disasters. “Today you see here the last CH-46 helicopter in Okinawa, as well as in the entire Pacific region. The historical the flight is completing the rearmament of the 262nd squadron from helicopters to convertiplanes. This is a rather bitter day for pilots who flew these machines, which served them faithfully for many decades. However, we are pleased that MV-22 convertiplanes are replacing them in the Pacific region, ”said General Stephen R. Radder, who is the commander of the 1st air wing of the 3rd expeditionary group of the United States Marine Corps. The last helicopter SN-3 left the islands on October 46, which, of course, is a very exciting day for all those who flew the Sea Knights in Vietnam and Iraq, as well as other regions of the planet. These helicopters saved a huge number of lives, and the memory of this machine will remain for many years to come, emphasized the American general.

Helicopters will replace much more sophisticated machines - convertible planes MV-22 Osprey, which combine the functions of a helicopter and an airplane. This is achieved by the fact that they are equipped with a swivel wing, which is equipped with a propeller. At the same time, such a solution creates its own difficulties in controlling the aircraft; there have already been cases when even small mistakes in management led to the downfall of the convertoplane. And not all the residents of Okinawa, who live in the area of ​​US military bases, are pleased with this decision. A year ago, they opposed the deployment of American convertiplanes on Okinawa. However, neither the residents nor the government of Okinawa Prefecture, nor the government of the country could not impede the plans of the American marines. The only thing that Japan could do in this situation was to achieve a promise that the MV-22 flights would be limited above populated areas, and the tiltrotor pilots would try to maneuver as little as possible while the car was in an unstable position.

CH-46E Sea Knight helicopters will soon retire

The CH-46 helicopters first distinguished themselves during the Vietnam War, especially in the hard battles at Khechani. Taking off from coastal bases in adverse meteorological conditions, helicopters flew throughout the vast field of hostilities. They constantly delivered resupply and cargoes to the base, took out the wounded, often making instrument flights, blindly, under strong enemy fire. Protracted military operations in the Kheshan military base area became a very serious test for the crews of helicopters and ground support personnel. As a result, the Vietnamese still lifted the siege of the base and retreated. Considerable merit in this victory was also with the CH-46 helicopters, as well as the resilience of their crews.

CH-46E Sea Knight helicopters have been in service with the American army since the 1962 year. Since then, more than 600 machines have been built. By the middle of the 90-s of the last century, the CH-46E helicopters were in service with the US Marine Corps 17 squadrons. During their very long combat service, these machines were able to win the love and trust of their passengers and crews, as evidenced by one of the helicopter's nicknames - “frog”, as well as the saying “never trust a helicopter that is not 30 years old”. The US Navy finally removed these helicopters from service in the 2004 year, replacing them with the SH-60 helicopters. KMP USA is engaged in their replacement gradually, it is planned that the MV-22 Osprey converters will completely replace the “Sea Knights” not earlier than 2014 of the year.

Helicopter CH-46Е Sea Knight

The Boeing Vertol CH-46 Sea Knight military transport helicopter was designed to be based on aircraft carriers and the US Marine Corps, equipped with a system of folding the blades of two rotors and special equipment for flying in difficult meteorological conditions. As part of the design work on the study of a commercial transport helicopter with 2-turbine engines, a longitudinal scheme with 2-rotors was selected. The development of this scheme was fully owned by Vertol. For their new helicopter, American engineers chose twin turbine engines, which were constantly improved and provided the machine with very good power density.


The engines were located above the fuselage at the rear end of the cabin to ensure maximum internal space and reduce noise. In order to speed up loading and unloading operations, the CH-46 helicopter's oblique tail section of the fuselage was a ramp that was quite strong for direct loading of bulky goods and / or vehicles. The hermetic fuselage of the helicopter was divided into compartments, it allowed to take off and land both from the earth and from the water surface.

Externally, the CH-46 helicopter very much resembles the CH-47, however, it has a smaller size and a three-point, non-retractable landing gear instead of a four-bearing chassis. The fuselage of the helicopter is made waterproof, which allows, if necessary, to land on water. The rotors of the helicopter are three-bladed. Two engines are located next to each other in the rear rotor pylon.

Protected fuel tanks are installed in the side fairings and provide the car with stability during landing. The helicopter also has a loading / unloading ramp at the rear of the fuselage. A hook mounted in the floor of its cabin makes it possible to carry loads of up to 4,5 tons on an external load.

The CH-46 is a twin-screw longitudinal helicopter with a three-bearing chassis, two engines and a semi-monocoque all-metal fuselage. The helicopter fuselage is made of aluminum alloys. In versions of the helicopter: transport, multipurpose and military has a retractable loading and unloading ramp, which forms the bottom surface of the rear fuselage. On the passenger version of the CH-46, a ramp replaces a retractable luggage container, in which you can easily place luggage up to a total weight of 680 kg.


Depending on the version, a combined door is installed in the passenger or cargo cabin: the lower part is tilting, the upper part is sliding. On the floor of the cargo compartment is 2 of a number of rollers for the movement of heavy loads, as well as a winch for their lifting, the estimated effort of the winch is 276 kg. A special hook is mounted in the cab floor for the carriage of goods on the external sling; with its help, the helicopter can transport more than 4,5 tons of cargo. In the airborne version of the CH-46, the Sea Knight is able to take on 25 soldiers, and in the 15 sanitary version, the wounded soldiers on stretchers and 2 paramedics.

The cabin of the helicopter is equipped with a standard heating system. To ensure buoyancy when landing on the water, the helicopter fuselage was made waterproof, the transverse stability of the CH-46 is ensured by the use of side skirts, in which fuel tanks are located. The helicopter's landing gear is non-retractable, three-axle, the wheels on it can be replaced with skis.

Both rotors are three-bladed, metal blades with hinged fastening. The blades are folded using the hydraulic system. Helicopter engines, located close to the rear rotor pylon, have air intakes with an annular inlet duct and anti-icing system. The fuel system of the vehicle consists of 2-X retrofit tanks in side fairings with a total capacity of 1325 l. The total fuel capacity of helicopters with increased flight range can reach 3785 l. Additional fuel tanks in this case are mounted on the sides of the fuselage.


The control system is duplicated hydraulic, the control of the rotors is provided with the help of 3-x hydraulic boosters (for each screw). The additional equipment of the helicopter includes automatic flight control, stabilization, balancing systems, the TACAN navigation system and a duplicated system for improving stability. The electronic equipment of the machine consists of Doppler radar and standard navigation equipment for instrument flight.

Flight technical characteristics of CH-46E Sea Knight:
Dimensions: diameter of 2-x mainframes - 15,24 m., Length - 13,92 m., Length including blades - 25,7 m., Maximum width of the fuselage - 2,21 m., Height - 5,17 m.
The mass of the empty helicopter is 7048 kg., The maximum take-off is 11023 kg.
Engine type - General Electric T-58GE-16, HP 2 XX1870
Maximum speed - 265 km / h., Cruising - 241 km / h.
Combat radius of action - 300 km.
Ferry range - 1097 km.
Practical ceiling - 5180 m.
Crew - 4 people.
The payload is 3975 kg., On an external sling - 4536 kg. or 25 paratroopers.
Helicopter armament (optional) - 2 machine gun of the type “Gatling” XM218 caliber 12,7 × 99 mm, 1 machine gun M240G 7,62 × 51 mm, mounted on the ramp.

Information sources:
-http: //vpk.name/news/97938_morskie_ryicari_pokinut_tihii_okean.html? new
-http: //www.airwar.ru/enc/ch/ch46.html
-http: //www.epochtimes.ru/content/view/79650/2
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  1. klimpopov
    klimpopov 9 October 2013 09: 21 New
    +2
    1 to 1 helicopters are being replaced with the latest MV-22 Osprey convertiplanes
  2. SkyMaXX
    SkyMaXX 9 October 2013 10: 01 New
    +1
    For some reason, I like the CH-46 Sea Knight better than the CH-47 Chinook. I don’t know why, but the first one is prettier to me.
  3. vthrehbq
    vthrehbq 9 October 2013 11: 28 New
    +2
    This is all of course wonderful, but the MV-22 has a huge drawback that precludes its use outside the United States is gluttony .. you have to pay for the speed with fuel consumption. economically unprofitable apparatus. the United States has a military budget of nearly 700 million billion ... but if they start economies. problems and they will be !!!! then there will be nothing to fly
  4. anykind
    anykind 9 October 2013 12: 35 New
    +2
    The main disadvantage of Osprey: it does not have cover when moving to the mission target (too high speed for attack escort helicopters). Perhaps in 15-20 years Sikorsky will finish the prototype with electronic vibration damping and a slightly different scheme of the helicopter itself. But then, what for will need a tiltrotor, if there is a high-speed helicopter?
    1. Alex 241
      Alex 241 9 October 2013 19: 31 New
      +2
      Quote: anykind
      Helicopter fuselage waterproof
      1. Alex 241
        Alex 241 9 October 2013 19: 32 New
        0
        .................................................
  5. Altona
    Altona 9 October 2013 20: 49 New
    +2
    As a scheme, such helicopters are very aesthetically pleasing to me aesthetically ... Yak-24 is always remembered, and yet we knew how to better come up with ...
  6. Bear52
    Bear52 9 October 2013 21: 31 New
    0
    But I did not like the article. Many repetitions, and the translation is careless. IMHO
  7. studentmati
    studentmati 9 October 2013 22: 41 New
    +2
    Currently, these transport helicopters in the ratio of 1 to 1 are being replaced by the latest MV-22 Osprey convertiplanes.

    “I welcome and admire the technical and technological revolution of the Osprey project.” I say sincerely, but:
    - A product with a cycle of 30 years from an idea to implementation by definition already cannot be the latest;
    - An analogy with the US economy comes to mind: to go forward, borrowing, promising and creating new debts. So is the case with Osprey: the project is insanely expensive, and the farther, the more expensive. There is no turning back. And therefore, the usual economic scheme of the “hegemon” is triggered - shifting its costs onto the shoulders of other states.
    May confusedly outlined his thought, sorry colleagues.
    1. Alex 241
      Alex 241 9 October 2013 22: 47 New
      +2
      Hi Sash, while the problems of Osprey as they were, remain.
      1. studentmati
        studentmati 9 October 2013 22: 52 New
        +1
        Quote: Alex 241
        Hi Sash, while the problems of Osprey as they were, remain.

        Answer

        Hi Sasha! In this perspective, it would be very promising serial production of "Hundreds", for example.
        1. Alex 241
          Alex 241 9 October 2013 22: 58 New
          +1
          Sasha, are you talking about this?
          1. studentmati
            studentmati 9 October 2013 23: 02 New
            +1
            Quote: Alex 241
            Sasha, are you talking about this?


            How did you guess? lol Of course, my friend!
            1. Alex 241
              Alex 241 9 October 2013 23: 04 New
              +1
              I read the encyclopedia laughing This is a breakthrough airplane, it needs a breakthrough in djs, breo, suv, armament. It would have happened like that!
              1. studentmati
                studentmati 9 October 2013 23: 11 New
                0
                Quote: Alex 241
                Sanya read the encyclopedia laughing This is a breakthrough airplane, it needs a breakthrough in djs, breo, suv, armament. It would have happened like that!


                An example, Sash, led to the fact that the Americans, realizing the economic "failure" of the Osprey project, with its certain qualitative advantages, continue its promotion on the arms market using only economic and political levers. For them, this is primarily the preservation of jobs and to some extent prestige. What would happen if we “pearl” with our “Weaving”?
                1. Alex 241
                  Alex 241 9 October 2013 23: 13 New
                  +1
                  Sash, and here we come to the conclusion that it does not come from expediency, but economic benefit.
                  1. studentmati
                    studentmati 9 October 2013 23: 20 New
                    +1
                    Quote: Alex 241
                    Sash, and here we come to the conclusion that it does not come from expediency, but economic benefit.


                    With regard to Osprey, I have always spoken about this. Maybe not always convincingly and clearly (judging by the reviews)?
                    1. Alex 241
                      Alex 241 9 October 2013 23: 26 New
                      +1
                      Quote: studentmati
                      Maybe not always convincingly and clearly
                      Sanya is always clear and understandable, a month ago we laid out this project according to the "bones", and how it was closed and reanimated. Well, and the video is symbolic, what kind of buckets are it, and with what cleaning products do they fall out? laughing
                      1. studentmati
                        studentmati 9 October 2013 23: 31 New
                        +1
                        Quote: Alex 241
                        Well, the video is symbolic, what are these buckets, and with what cleaning agents do they fall out? laughing


                        Know-how for car wash! We are in a hurry to patent. (in the sense ofPONTto sing)!
                      2. Alex 241
                        Alex 241 9 October 2013 23: 33 New
                        +1
                        Sanya, I assume that this "bucket" turned out, der..mocracy in action laughing
                      3. studentmati
                        studentmati 9 October 2013 23: 37 New
                        +1
                        Quote: Alex 241
                        Sanya, I guess it’s a "bucket" turned out, der..mocracy in action laughing


                        lol Bioautomotive in action! lol
                      4. Alex 241
                        Alex 241 9 October 2013 23: 41 New
                        +1
                        The Japanese protested a ship with US military aircraft arriving in the country on Monday.

                        Locals opposed the deployment of Osprey aircraft near their homes. They consider these planes a threat to their lives. Osprey became another argument against the presence of American bases in Japan.

                        The peculiarity of the aircraft of these models in the possibility of vertical take-off. In April, 2 people died when a similar plane crashed in Morocco, and in June the Osprey crashed in Florida. For the entire existence of the aircraft, he claimed the lives of 36 people. So bucket so prank.
                      5. studentmati
                        studentmati 9 October 2013 23: 50 New
                        0
                        Quote: Alex 241
                        The Japanese protested a ship with US military aircraft arriving in the country on Monday.


                        Who, if not the Japanese, is closely acquainted with the treachery of the Americans? And if you look at the back of the coin, then who, who, if not the Japanese, are economically dependent on the Americans?
                        Hence the conclusions - we buy what is not profitable for us.
                      6. Alex 241
                        Alex 241 10 October 2013 00: 03 New
                        +1
                        ...............................................
                      7. studentmati
                        studentmati 10 October 2013 00: 07 New
                        0
                        Quote: Alex 241
                        ...............................................


                        Do you want, do not want, but we shove your Osprey. Further your problems on the maintenance and service.
                      8. Alex 241
                        Alex 241 10 October 2013 00: 10 New
                        +1
                        Quote: studentmati
                        but we shove your Osprey.

                        Similarly, Sash, pathological obstinacy!
                      9. studentmati
                        studentmati 10 October 2013 00: 13 New
                        0
                        [quote = alex 241] Similarly Sash, pathological obstinacy!

                        This is not obstinacy, this is confidence, or rather a veiled demand for financing a loss-making project.
                      10. studentmati
                        studentmati 10 October 2013 00: 18 New
                        +1
                        Quote: Alex 241
                        Similarly, Sash, pathological obstinacy!


                        Why go far? When working out the B-12 there were the same problems.
                      11. Alex 241
                        Alex 241 10 October 2013 00: 25 New
                        +1
                        Sasha, yes, I agree, but the main reason why they abandoned him, in the plane of defense, as a carrier of ballistic missiles.
                      12. studentmati
                        studentmati 10 October 2013 00: 29 New
                        +1
                        Quote: Alex 241
                        Sasha, yes, I agree, but the main reason why they abandoned him, in the plane of defense, as a carrier of ballistic missiles.


                        Just because the missiles are outdated faster than the carrier and the infrastructure for the missiles.
                      13. Alex 241
                        Alex 241 10 October 2013 00: 40 New
                        +1
                        Yes Sasha, then we could afford such wastefulness. Although it’s a pity.
                      14. studentmati
                        studentmati 10 October 2013 00: 47 New
                        0
                        Quote: Alex 241
                        Yes Sasha, then we could afford such wastefulness. Although it’s a pity.


                        It is a pity that there is no public effect. But technological developments at that time were made 50 years in advance. It is a pity that our adversaries primarily and without charge use our adversaries, and we continue to read "Youth Technique" ........
  • bask
    bask 9 October 2013 23: 08 New
    +1
    Quote: Alex 241
    about it?

    No better than the Ka-52 and more.
    1. Alex 241
      Alex 241 9 October 2013 23: 11 New
      +2
      Andryukh, we would have everything, but for more, and trained personnel. That's also a good whack!
      1. studentmati
        studentmati 9 October 2013 23: 17 New
        +1
        Quote: Alex 241
        Andryukh, we would have everything, but for more, and trained personnel. That's also a good whack!


        As for the frames - this is correctly noticed! The deficit is catastrophic, a gap in the whole generation for sure. Trouble!
        1. Alex 241
          Alex 241 9 October 2013 23: 20 New
          +1
          And this is no longer make up.
          1. studentmati
            studentmati 9 October 2013 23: 26 New
            +1
            Quote: Alex 241
            And this is no longer make up.


            In principle, with you, Sash agrees. If 10 years ago there was an opportunity to mobilize "old" designers and engineers, today you have to rise from your knees. With all the ensuing economic costs. The main thing is that politicians would understand this problem, otherwise treating the symptoms can drive the disease to the point of mortality.
        2. bask
          bask 9 October 2013 23: 24 New
          +2
          Quote: studentmati
          As for the frames - this is correctly noticed! The deficit is catastrophic, a gap in the whole generation for sure

          And cadres decide EVERYTHING I.S. Stalin. There is almost no generation over 40 for our military-industrial complex and research institute.
          1. Alex 241
            Alex 241 9 October 2013 23: 29 New
            +1
            We guys have an olympiad on the nose, which blocked NASA’s lunar budget. What designers and engineers are there. Most sacred, veterans in poverty!
            1. studentmati
              studentmati 9 October 2013 23: 34 New
              +1
              Quote: Alex 241
              We guys have an olympiad on the nose, which blocked NASA’s lunar budget. What designers and engineers are there. Most sacred, veterans in poverty!


              Another substitution of the concepts “Image is nothing, thirst is everything” is on the face. Already jarred from what was said ... But after all, it is so! sad
            2. wei
              wei 10 October 2013 00: 10 New
              +1
              3-4 times extinguished torch
              Krasmash plant received 207 million rubles from the Russian budget for the manufacture of torches.
              the torch against zipo is somehow sad
              1. studentmati
                studentmati 10 October 2013 00: 22 New
                0
                Quote: wei
                3-4 times extinguished torch
                Krasmash plant received 207 million rubles from the Russian budget for the manufacture of torches.
                the torch against zipo is somehow sad


                Modified though?
          2. studentmati
            studentmati 9 October 2013 23: 42 New
            +1
            Quote: bask
            And cadres decide EVERYTHING I.S. Stalin. There is almost no generation over 40 for our military-industrial complex and research institute.


            We were there, but, damn it for 12-15 rubles, I'm sorry! This is only for the unburdened family of fans and, moreover, complete ascetics!
            Or ... as an alternative to the Gulag. Pah-pah-pah ...
  • samolet il-76
    samolet il-76 12 December 2013 10: 55 New
    0
    In my opinion, the Ka-31 is cooler!