Electronics and Radar Development Establishment (LRDE) has floated fresh tenders for the development of two pre-production units of bigger Uttam Active electronically scanned array (AESA) fire-control radar (FCR) with the main antenna incorporating 992 arrays of TR modules instead of 780TR modules that is on the Uttam Mk1 radar antenna meant for Tejas Mk1A program. Documents accessed by the confirm what LCA AF-Mk2 Project director Dr. Madhusudhana Rao had said on the sidelines of Aero India 2021 that the LCA AF-Mk2 with a 270mm smaller nose cone than that of the Tejas Mk1A nose radome but still will be able to house a Bigger Uttam Aesa Radar.

Tender documents call for the assembly of two units of Uttam Mk2 by L1 winning vendor and L2 vendor that has a delivery schedule of 7 months just in time before the first rollout of the LCA AF-Mk2 aircraft in august next year. most of the backend process of the radar will remain the same only the antenna size will have higher TR modules with different power setups for better search and tracking range, so the need for extensive trials and testing of the radar will be minimal since Uttam hardware is scalable and most of the testing will be planned on board first two LCA AF-Mk2 that will be been rolled out by 2025 and begin its flight development.

LRDE has proposed Uttam Mk2 also to be used for the IAF’s Russian origin Mig-29UPG fleet and Navy’s Mig-29K fleet. LRDE is also working on Uttam Mk3 with improved performance that will cater to the larger nose cone and power capability of the Sukhoi-Su-30MKI. IAF and HAL both are backing the development of Uttam Mk3 for the entire fleet of Sukhoi-Su-30MKI under the Mid-life upgrade ” Super Sukhoi” Program that is in the pipelines.

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