"traffic light" on the aircraft carrier
2024-09-27
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"traffic light" on the aircraft carrier
■yuan zefang gong shiyin
"fresnel" lens optical landing assist system. data pictures
on the vast sea, the aircraft carrier is like a mobile airport. how to command carrier-based aircraft to take off and land safely on the aircraft carrier is the key to ensuring the combat effectiveness of the aircraft carrier. during the take-off and landing of carrier-based aircraft, the optical landing assist system plays an extremely important role and is known as the "traffic light" on the aircraft carrier.
generally speaking, the optical landing assist system is installed on a stable platform in the middle of the port side of the aircraft carrier and consists of a set of carefully designed light boxes. at work, the optical landing assist system uses advanced fresnel lens technology to emit beams of specific angles and colors to provide precise guidance for pilots to land on the ship.
different from traditional traffic lights, the optical landing assist system can display light beams in four colors: orange, yellow, red, and green: the green reference fixed light is like a road marking, providing a reference for the aircraft to maintain level; the orange light beam in the center represents " "pass", when the pilot sees the orange light ball in the center of the green reference light, it means that the flight altitude and glide angle are just right, and he can land with confidence; the yellow light beam means that the pilot's aircraft altitude is too high and needs to be adjusted in time; the red light beam means that the aircraft altitude is too high and needs to be adjusted in time; warn pilots that the aircraft altitude is too low and must be raised quickly.
the working principle of the "traffic light" on the aircraft carrier is exquisite and rigorous. when a carrier-based aircraft approaches the aircraft carrier and prepares to land on the ship, the pilot must always pay attention to the instructions of these light beams. the emergence of optical landing assistance systems has greatly improved the safety and accuracy of ship landings.
however, optical descent assist systems are not without their flaws. in bad weather conditions such as rain, dense fog, etc., pilots may not be able to see the indicator lights clearly. to solve this problem, scientists have also developed other systems such as laser-assisted landing and instrument landing, which are used in conjunction with the optical assist-landing system to effectively improve the success rate of carrier-based aircraft landing in various environments.
as one of the key equipment on the aircraft carrier, the optical landing assist system is a concentrated microcosm of the development and progress of military science and technology. in the future, with the continuous development and improvement of various supporting technologies, the optical landing assist system will continue to provide more accurate and reliable guidance for the take-off and landing of aircraft carrier-based aircraft.
(source: china military network - people's liberation army daily)
