40F3 D
 How can rescue personnel detect that a SART is transmitting in the immediate vicinity?
A. The DSC unit will react to the SART's signal and respond with the two-tone auto alarm.
B. The SART can provide an approximate location to within a two nautical mile radius, per IMO standards.
C. The SART signal appears as a target which comes and goes; the effect of heavy swells on a SART.
D. The SART's dots on the PPI will become arcs and then eventually become concentric circles.
