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RADAR AND ARPA MANUAL
same time the rocket gives out a very bright white light.
The radar response has a maximum detection range of
12 n mile and will last for some 15 minutes, depending
upon weather conditions. It is intended for use as a dis-
tress signal for small craft.
3.5.7 Racons for survival craft
To assist in the detection and identification of survival
craft and other small craft in distress, the IMO have
specified a Search and Rescue Transponder (SART)
which is a coded racon and which will appear on the
radar screen as a series of twenty dots. Since the racon
flash will always appear as a radial signal beyond the
target, it wil ...