Before shutting down you can verify that the aircraft’s ELT is not transmitting by
Why this is the answer
After flight, confirm the ELT didn't fire from the landing by tuning a radio to 121.5 MHz and listening for the warbling tone before you shut down (TC AIM-SAR ELT operating instructions). A switch position or warning light can mislead; the audible signal is the definitive check.
Reference
TC AIM-SAR – ELT Operating Instructions (Normal Use)
Question reproduced verbatim from Transport Canada’s PSTAR Study and Reference Guide (TP 11919E). The answer key is Transport Canada’s; the explanation is ours.
A study aid — not a substitute for the official guide, the CARs, or your instructor.