The Indian Space Research Organisation (ISRO) achieved a remarkable feat by carrying out the Reusable Launch Vehicle Autonomous Landing Mission (RLV LEX) successfully. This momentous test took place at the Aeronautical Test Range (ATR) situated in Chitradurga, Karnataka, which also serves as the headquarters for the nation's esteemed space agency.
For the first time ever, a helicopter has transported a winged body to a staggering altitude of 4.5 km, only to release it and witness its remarkable ability to autonomously land on a runway. This groundbreaking achievement has been accomplished with the use of a Reusable Launch Vehicle (RLV), which can be described as a space plane boasting a low lift to drag ratio. This unique characteristic necessitates a specific approach during landing, as the RLV must navigate its descent with precision and finesse.
The RLV, or reusable launch vehicle, embarked on its journey at 7:10 am IST with the assistance of an Indian Air Force (IAF) Chinook Helicopter, which carried it as an underslung load. Gradually ascending to an impressive altitude of 4.5 km above Mean Sea Level, the RLV reached its desired pillbox parameters. These parameters were established for the RLV's Mission Man, ensuring its successful progression towards its intended objectives.
The successful autonomous landing was executed with utmost precision, replicating the exact conditions of a Space Re-entry vehicle's landing. This intricate feat involved the landing being performed at high speeds, without any human intervention, and following the precise return path as if the vehicle had just arrived from outer space.
The RLV LEX required the integration of numerous cutting-edge technologies to ensure its successful operation. These included advanced navigation hardware and software, a state-of-the-art pseudolite system, a highly precise Ka-band radar altimeter, a reliable NavIC receiver, a specially designed indigenous landing gear, innovative aerofoil honey-comb fins, and an efficient brake parachute system.
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