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New Delhi : Anticipating Locust attack, the Ministry of Agriculture signed a contract with M/s Micron, UK, to modify two Mi-17 Helicopters for spraying atomised pesticide to arrest Locust breeding in May 2020. Due to COVID-19 pandemic, the UK based firm would be able to manufacture and supply the modification kit to IAF only from September 2020 onward for system integration and testing. In the meanwhile, an unprecedented Locust attack started manifesting from last week of May and is fast spreading practically across many States.
In view of envisaged delay in provisioning of modification kits by M/s Micron, the Indian Air Force tasked No. 3 Base Repair Depot located at Chandigarh to undertake the challenging task of indigenously designing and developing an Airborne Locust Control System (ALCS) for Mi-17 helicopters. Using all indigenous components, the atomised airborne spraying of pesticide has been successfully achieved in air through a configuration of nozzles mounted both sides on external trusses of a Mi-17 helicopter. The nozzles used for the purpose are a mix of commercially available nozzles as well as the nozzles developed by CSIO, Chandigarh.
The pesticide Malathion in appropriate concentration would be filled in the internal Auxiliary tank of 800 liters capacity fitted inside the helicopter and pumped into the nozzles by using an electrical pump as well as compressed air achieving nearly 40 minutes of spaying duration in the infected zone covering an area of approximately 750 hectares in each mission, according to a PIB release.
A team of Test Pilots and Test Engineers of Aircraft and Systems Testing Establishment, Bangalore, have successfully carried out ground and airborne trials of ALCS on a modified Mi-17 helicopter. The system is being offered for use with Malathion for employment in the locust control operation. Being an indigenously developed system, the ALCS would offer inherent advantages of in-house maintenance, future upgradeability, saving of foreign exchange and help in making the country Self Reliant in aviation related technology.