The A-4N was another Skyhawk version built for Israel. It was based on the airframe of the Marine Corps A-4M, and retained the uprated J52-P-408 engine. It differed from the A-4M by having a new navigation/weapons delivery system.
The A-4N had the following main avionics:
The A-4N substituted a pair of 30-mm DEFA cannon (with 150 rounds each) for the 20-mm cannon of the US version. Many A-4Ns were fitted in the field with the tailpipe extension that had been fitted to other Israeli Skyhawk variants. This was to protect the aircraft against shoulder-launched SAM-7 surface-to-air missiles.
The A-4N was first flown on Jun 8, 1972, piloted by John Lane. The Israeli test pilot was Yachin Kochva. A total of 117 were built between 1972 and 1976. Substantial numbers of A-4Ns still remain in service with the Israeli air force.
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