Subelement E: Survival Craft Equip & S.A.R.— Topic :
Question 32E4
Element 7R (GMDSS-RO)What part of a satellite EPIRB may function as a visual aid to rescue vessels?
Explanation
A strobe light is specifically designed to emit bright, intermittent flashes of light, making it a highly effective visual signal for attracting attention, particularly in low light conditions or at night. Rescue vessels rely on these visual cues to locate a distress beacon and the person or vessel in distress.
Options B and C are incorrect because 121.5 MHz and 406 MHz are radio frequencies. The 406 MHz signal transmits digital distress data via satellite, while the 121.5 MHz signal is a homing frequency used for radio direction finding by rescue aircraft and vessels. Neither of these radio signals produces light and therefore cannot serve as a visual aid. Option D is incorrect because a loud beeping tone is an audible signal, not a visual one. While useful for attracting attention, it does not function as a visual aid.
Related Questions
32E2 Which piece of required GMDSS equipment is the primary source of transmitting locating signals?32E3 What may be used as a homing signal by the search and rescue vessels in the immediate vicinity of the ship in Distress?32E5 What is an example of a locating signal?32E6 Which device provides the best method to locate a ship in Distress or survival craft in the GMDSS?33E1 With what other stations may portable survival craft transceivers not communicate?