Maritime patrol aircraft, MPA
Maritime patrols usually organize surface ships, submarines, and aircraft to be implemented individually or cooperatively according to the combat plan, security tasks, and face-to-face situations. The mission is to find the enemy forces and suspicious targets approaching or reaching the report line as early as possible, guide the support forces to start and enter the battle at the right time, and eliminate or block the enemy forces invading the warning sea area. In organizing maritime patrols, the patrol force should be correctly selected, the patrol method should be determined, and the force should be deployed at an appropriate distance in the threatened direction. Maritime patrol plays an important role in ensuring the safety of naval forces and victory in battle.
Anti-submarine aircraft (Maritime patrol aircraft, MPA) refers to the military aircraft used to search, calibrate and attack submarines . Common types of anti-submarine aircraft are fixed-wing aircraft or helicopters. They operate from land airports, and they also take off and land from surface ships to perform missions. Anti-submarine aircraft has become a very important part of modern anti-submarine operations.
There are shore-based anti-submarine patrol aircraft and water-based anti-submarine patrol aircraft. Anti-submarine patrol aircraft are mainly used to search and attack submarines , and together with other equipment and forces constitute an anti-submarine warning line . The anti-submarine patrol mission was carried out in the sea area where the own ship was sailing; to guide other anti-submarine forces or to attack the enemy submarine on its own.
A maritime patrol echelon composed of Air Police-500H early warning aircraft, Air Police-200H early warning aircraft, Yun-8 anti-submarine patrol aircraft, and Yun-8 technical reconnaissance aircraft, flying on the morning of 01 October 2019. Passing over Tiananmen Square, the Type 4 special aircraft as the Navy's new information combat force made its collective debut. For the first time, the Naval Air Force and the Air Force Air Force formed a maritime patrol aircraft echelon, with multiple aircraft formations and multiple echelons to display together.
In the maritime patrol aircraft echelon, a zigzag formation consisting of an Air Police-500H early warning aircraft and two Yun-8 anti-submarine patrol aircraft flew in front of the echelon, followed by an Air Police-200H early warning aircraft and two Yun-8 Technical reconnaissance aircraft. The Air Police-500H early warning aircraft is an airborne early warning command special aircraft independently developed by China, and it is the "command center" for joint operations under the conditions of informatization.
The "big tail" of the Yun-8 anti-submarine patrol aircraft is particularly eye-catching. It is China's first generation of fixed-wing anti-submarine patrol aircraft. It is also the first public appearance on the National Day military parade. It can perform tasks such as sea and air patrols, search and verification, tracking and monitoring, submarine search and anti-submarine tasks independently or in collaboration with other forces.
The Air Police-200H is a professional aircraft model for early warning detection and command control by the Navy. It can be used as an air command post and can realize functions such as security patrol, network early warning, and command guidance. The Yun-8 technical reconnaissance aircraft is the army's first technical reconnaissance aircraft.
The Air Police-500H early warning aircraft, the Air Police-200H early warning aircraft, the Yun-8 anti-submarine patrol aircraft, and the Yun-8 technical reconnaissance aircraft all use the Yun-8 transport aircraft platform.
The echelon of maritime patrol aircraft is formed by the Beihang forces. According to the principle of "choosing the best, choosing the best", the elite crew and the fighter bomber formation are all commanded by the commander The rest of the staff are also technical leaders.
A certain HNA division to which the three -8 special planes belong is the only naval airborne special combat aircraft unit in the Navy and has been conducting maritime patrol missions for many years. Most of the key personnel in the echelon had just finished the patrol task when they received the military parade, which can be said to be "unwashed and collected, and then went to the battlefield."
After the helicopter became a mature military aircraft, it also joined the ranks of anti-submarine warfare. Helicopters can be operated from onshore airports or surface ships, and their mission flexibility is higher than that of large anti-submarine aircraft. In the search and calibration of submarines, the helicopter can be suspended at the same location for a period of time, effectively improving the tracking ability of the submarine. Helicopters can take off and land from surface ships above medium tonnage, expanding the protection of surface ships and fleets and the pressure on submarines.
The operation method of anti-submarine aircraft is within a certain area (fixed planning or specified with the task), using the equipment carried on the aircraft to cooperate with other aircraft, surface ships or land units for continuous monitoring and search. Since the anti-submarine aircraft can cover a considerable area of ??the sea in a short period of time, the search at this stage will use a magnetic anomaly detector to find a small area that may have hidden submarines. The next is to put sonar buoys with passive sonar as the main surface. The number and type of the sonar buoys will vary according to the information collected and the areas where suspicious targets may exist. These sonar buoys place the listener at a pre-set depth, receive the sound signal under the water surface, and send it back to the anti-submarine aircraft through the antenna on the sea surface.
Anti-submarine helicopters can also use immersion sonar to assist in search and tracking. The helicopter will place the immersion sonar under the surface of the water to monitor suspicious signals. Because the sensitivity of immersed sonar is higher than that of sonar buoys, the detection effect is also better, but it is impossible to search for signals and locate at multiple locations at the same time, which is a feature of anti-submarine helicopters.
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