APG-79 praised, when it works, but shutdowns and restarts continue to frustrate
A Raytheon active-array radar upgrade for the Boeing F/A-18E/F Block II Super Hornet has at times "dazzled" US Navy crews during tests, but continuing software stability problems are hampering performance and jeopardising the development schedule, says a new US military test report.
The APG-79 active electronically scanned array (AESA) "has experienced multiple radar shutdowns that necessitated airborne radar restarts", says the 2005 report by the Director of the Office of Test and Evaluation. The software stability issue must be fixed if the radar is to remain on schedule to enter operational evaluation early this year, which the report says is an “optimistic” goal.
The software glitches have led to other delays in the APG-79 integration plan, with the USN deferring some radar capabilities planned for inclusion in the first software block. The first-release software will now be used only for training aircraft, with a second version with full functionality planned for integration with the navy’s first deployed Block II Super Hornet unit, which will become operational late in fiscal year 2007. The APG-79 will be the first active array in the US military inventory with simultaneous air- and ground-tracking modes.
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