Indian state-owned aerospace and defense company, Hindustan Aeronautics Limited (HAL) has decided to indigenize over 300 strategically important Line Replacement Units (LRU) that are to be used on 11 different types of aircraft/helicopters over the next 3 years.

Light Utility Helicopter (LUH) still has high imported content along with Light Combat Helicopter (LCH) that will see maximum indigenization of 73 LRUs and sub-systems that are marked to local substitutes. ALH which has been in production for over a decade will be getting 43 local substitutes.

Transport aircraft Do-228 will be getting 45 local substitutes and frontline fighter jets like Su-30MKI 6. HTT-40 Basic Trainer aircraft that already have high indigenization will be getting 6 local substitutes.

Line Replaceable Units (LRU) are modular components and usually sealed units of an aircraft, which are designed to be replaced within a short time without using very specialized tools.

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