040A B
 How does the searching vessel's radar interrogate a survival craft SART?
a) Activate the IFF interrogation system.
b) The SART responds automatically when it detects the search craft or other vessels' X-Band radar signal.
c) Maintain watch on VHF-FM Ch-70 for the SART's unique identifier.
d) The SART responds automatically when it detects the search craft or other vessel's 3.5 GHz radar signal.
