Navigation General · Radar Aids
On a radar display, an activated SART (search and rescue transponder) appears as:
- AA single steady blip
- BNothing — SARTs are visual only
- CA flashing colored ring
- DA line of 12 equally spaced dots extending outward from the SART's position toward the edge of the screen✓ Correct
Explanation
When interrogated by an X-band (3 cm) radar, a SART replies with a series of 12 dots that appear as a line of equally spaced blips radiating outward from its position, leading rescuers straight to a survival craft or person in the water.
Authority: GMDSS; SART operation
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