Underwater Locator Beacon depth and broadcast duration: which is correct?

Underwater Locator Beacon depth and broadcast duration: which is correct?

• A. 10000 ft depth and 15 days
• B. 20000 ft depth and 30 days
• C. 15000 ft depth and 20 days
• D. 25000 ft depth and 60 days

Answer: (B)

The main idea here is how an Underwater Locator Beacon is built to help locate a wreck: it must endure deep-water pressure and keep transmitting signals long enough for a search to succeed. A beacon rated for around twenty thousand feet of depth can survive the pressure of deep ocean water, ensuring it stays operational if a crash occurs in deep seas. A broadcast duration of about thirty days provides a practical window for investigators to find the beacon with underwater listening gear, even if the initial search is delayed or takes time to cover a wide area. Together, these specifications maximize the chance that the beacon remains active and detectable long enough to lead rescuers to the wreck. Options proposing greater depths or shorter signal lifetimes would either risk failure under pressure or reduce the time available to locate the beacon, making the twenty-thousand-foot depth with a thirty-day duration the best match.

The main idea here is how an Underwater Locator Beacon is built to help locate a wreck: it must endure deep-water pressure and keep transmitting signals long enough for a search to succeed. A beacon rated for around twenty thousand feet of depth can survive the pressure of deep ocean water, ensuring it stays operational if a crash occurs in deep seas. A broadcast duration of about thirty days provides a practical window for investigators to find the beacon with underwater listening gear, even if the initial search is delayed or takes time to cover a wide area. Together, these specifications maximize the chance that the beacon remains active and detectable long enough to lead rescuers to the wreck. Options proposing greater depths or shorter signal lifetimes would either risk failure under pressure or reduce the time available to locate the beacon, making the twenty-thousand-foot depth with a thirty-day duration the best match.