042A B
 Which of the following statements concerning testing and maintenance of SARTs is true?
a) An at-sea GMDSS maintainer is not able to test a SART as it is hermetically sealed.
b) Testing a SART should be performed only in controlled environment as a test signal may be misinterpreted as a genuine Distress situation.
c) A SART's battery must be replaced within ninety (90) days after the expiration date imprinted on the unit.
d) All of the above.
