New member of the FVL program. US Navy wants to get a new helicopter

Combat helicopter MH-60R launches a guided missile. Photo by US Navy

The US Navy is beginning to search for a promising helicopter that will be able to replace existing equipment in the distant future. The new prototype will have to take over the duties of the MH-60 helicopters and the MQ-8 unmanned aerial vehicles. To fulfill such plans, the fleet pays attention to the Future Vertical Lift program.

Obsolescence processes

Currently, the US Navy is armed with more than 500 SH-60 / MH-60 Seahawk helicopters of several modifications. The first samples of this family entered service in the mid-eighties; in the future, the fleet received modernized and improved vehicles. Helicopters of this line are capable of transporting people and cargo, fighting surface targets, solving anti-submarine defense missions, performing search and rescue, etc.

Since the mid-2000s, the American fleet has been operating a helicopter-type UAV MQ-8 Fire Scout. In the ranks is approx. 50 similar complexes of several modifications. With the help of the MQ-8, ships can carry out surveillance and reconnaissance, as well as carry out strikes against surface and coastal targets using guided weapons.

Reconnaissance and strike UAV MQ-8B. Photo by US Navy

So far, SH / MH-60 helicopters and MQ-8 UAVs meet the requirements of the Navy, and systematic modernization and regular repairs allow them to be kept in service. However, in the distant future, they will need to be replaced. This process is proposed to start and partially complete in the thirties.

Request for proposals

A few years ago, it was reported that the US Navy was studying the prospects of aviation technology and looking for ways to further develop the helicopter fleet. At the level of rumors and unconfirmed data, the possibility of cooperation with the ground forces and the air force, already developing their new projects, was mentioned.

Now the situation has cleared up. In late January, the Navy issued a request for proposals on a promising vertical takeoff aircraft. Until mid-April, the fleet wants to receive information from aircraft manufacturers, study the available possibilities and draw conclusions. In case of a positive conclusion, contracts will appear for the development and construction of new equipment.

Experienced Bell V-280 Valor tiltrotor for the FLRAA program. Bell Textron Photos

According to the request, the new model of equipment for the Navy should show characteristics no worse than the existing SH / MH-60 and MQ-8 and solve the same problems. He must carry people and goods, carry various equipment and weapons, etc. In addition, the potential for the introduction of new functions is needed – this is associated with the development of a potential adversary and the attendant risks.

From an existing program

According to foreign media reports, in search of a new helicopter, the Navy can join the Army’s Future Vertical Lift program and take part in further work on one of its projects. Thus, the Air Force and Army Aviation also plan to replace their UH-60 helicopters in the future. For this, the Future Long-Range Assault Aircraft (FLRAA) competition was launched, within the framework of which several interesting machines have already been created.

There are currently two projects participating in the FLRAA competition. Bell offers the V-280 Valor tiltrotor, while Sikorsky and Boeing recently unveiled the Defiant X high-speed helicopter project. The Pentagon is inviting new organizations with their projects to participate in the program, but the number of contestants will apparently not change.

Valor over the battlefield. Bell Textron graphics

If the Navy does indeed join the FVL and FLRAA programs, very interesting developments are possible. It is to be expected that Bell, Sikorsky and Boeing will show interest in the fleet’s request and offer them their projects. Due to the special operating conditions at sea, the projects must undergo certain revisions. However, there are no exact data on this yet.

Some questions are left by the desire of the Navy to replace helicopter-type drones. Apparently, their tasks are going to be transferred to manned aircraft. Perhaps the fleet is taking into account trends in the development of technology and plans to use hypothetical possibilities to turn a manned helicopter into a vehicle with remote or autonomous control. Similar developments are taking place in the FVL and FLRAA projects.

Challengers to win

The Navy will be accepting applications until mid-April, at which time it will become clear which companies are competing for future contracts. Most likely, everything will really be limited to rethinking the current FLRAA program, taking into account the interests and requirements of the naval forces.

Proposed look for the Defiant X. Sikorsky / Boeing graphics

V-280 and Defiant X are built according to different schemes and differ significantly from each other. The architecture and dimensions of the vehicles can affect their operation on ships. Thus, a high-speed helicopter can be equipped with a blade folding system for storage in a ship’s hangar. The tiltrotor diameter is determined by the wingspan, which is why the adaptation of the V-280 project to the requirements of the Navy can be more complicated and time-consuming.

The Sikorsky / Boeing project uses a twin-screw pine carrier system and a pusher propeller, while Bell used rotary nacelles with main / pulling propellers. The US Navy has experience with convertiplanes, but never used the original three-propeller combination. This factor can also affect the choice of technique.

According to its flight performance, carrying capacity, capacity, etc. the two FLRAA machines look alike. It should be borne in mind that the V-280 Valor is successfully passing tests and is gradually approaching the maximum design parameters. The rival Defiant X has so far been presented only in promotional material, and the prototype has probably not even been built yet. However, previous experimental machines showed good results – although they did not reach the level of the V-280 from Bell.

Defiant X in flight. Sikorsky / Boeing graphics

The Navy wants to assign a wide range of tasks to the new aircraft. Transport, combat and other capabilities of equipment are determined by equipment and carrying capacity. What the specific requirements of this kind will be has not yet been reported.

The Navy’s choice may also be influenced by the outcome of the Army’s FLRAA program. The Pentagon is due to issue the final RFP this year, which will kickstart the final phase of the program. After that, the participating companies will present the final versions of their projects, and the army will be able to choose the most successful one. The winner of the FLRAA competition has every chance of getting a contract from the fleet. In addition, the Navy can join the program along with the army and participate in the selection of a single winner.

Backlog for the future

The US military is planning a major upgrade of its helicopter fleet. Obsolete vehicles of the UH / HH / SH / MH-60 family are supposed to be removed from service and replaced with a promising model with improved flight performance. The army and the Air Force are paying special attention to this issue, and now the fleet is also planning to join the general work.

Thus, in the distant future, all the US armed forces will abandon the Black Hawk and Seahawk families in favor of completely new models. However, with all the progress observed, the processes of re-equipping troops will begin only in the thirties. The Navy has enough time to evaluate and choose, or to develop a completely new project. And at the moment we are talking only about accepting applications and collecting information – from which all new projects begin.

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