The above visual gives some data on the OSF infra-red search-and-track (IRST) system developed by THALES of France for the Rafale M-MRCA. It definitely has more advanced performance features than what’s offered by the OLS-30 IRST sensor developed by Russia’s Urals Optical & Mechanical Plant.
The visuals below profile the Skyward IRST sensor developed by Italy’s SELEX Galileo. A lightweight derivative of the Pirate IRST sensor found on the Eurofighter EF-2000, it is an ideal item for installation on board both the Tejas Mk1 as well as its Mk2 derivative.
The Skyward is also an ideal fully passive IFR navigation solution for those helicopters and fixed-wing transport aircraft that are optimised for all-weather special operations. Tactical transport aircraft like the C-130J-30 and An-32B, which are required to operate in and out of remote, high-altitude advanced landing grounds (ALG), will find a low-cost variant of the Skyward IRST a most valuable all-weather navigational tool, especially when operating over mountainous and jungle terrain of the type found in northeastern India.—Prasun K. Sengupta