The Pacific War Online Encyclopedia
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Naval History and Heritage Command
|Range||5 nautical miles (9 km) on aircraft
15 nautical miles (30km) submarine
30 nautical miles (55km) on merchant ship
75 nautical miles (140km) coastline
||B scope at all ranges
G scope at shortest range
||From about 1943-10
Also known as AN/APS-4, the ASH airborne radar was mounted in Avengers
escorted by Hellcats. It was
intended to be a general purpose radar capable of both air and surface
search as well as navigation and homing. The main
components were mounted in a pod resembling a depth bomb that was mounted on a bomb rack.
The system had four range settings, for 4, 20, 50, and 100 nautical miles (6, 30, 80, and 160 km). The system was equipped with IFF.
Though rather too large and complex for effective use in fighters, a number of sets were installed in the F6F-5E Hellcat night fighter. These were eventually superceded by the much more suitable AN/AP-6 gunsight radar.
Naval Historical Center (accessed 2008-2-23)
Rickard (2007; accessed 2011-4-30)
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