A new infra-red search and track (IRST) system for the F/A-18E/F Super Hornet has commenced flight trials in the US.
The system, designed by Lockheed Martin and developed from the IRST used on the F-14D Tomcat, has been adapted to fit in the front half of a Super Hornet centreline auxiliary fuel tank. The sensor allows the Super Hornet to passively see and track airborne targets by their heat signature which can be generated by areas such as an engine exhaust, air friction from a wing leading edge or weapons pylon, or even a sunlight reflection from a canopy.
“We continually evolve the aircraft to outpace future adversaries,” Tim Adrian, IRST F/A-18 program manager said in a statement. “When radar isn’t an option, this upgrade allows operators to locate targets and deploy the best weapon for the mission.”
The system is part of the US Navy’s ‘Flightplan’ spiral upgrade program for the Block II F/A-18E/F Super Hornet, and is scheduled to enter service in 2017. There has been no official interest in the IRST from the RAAF for its Super Hornets, although RAAF officials have previously said they would adopt the US Navy’s Flightplan development path in order to keep Australia’s fleet as common as possible to that of the US.
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