1-D-21: EPIRBs
1-21D1:
What is an EPIRB?
A battery-operated emergency position-indicating radio beacon that floats free of a sinking ship.
An alerting device notifying mariners of imminent danger.
A satellite-based maritime distress and safety alerting system.
A high-efficiency audio amplifier.
1-21D2:
When are EPIRB batteries changed?
After emergency use or within the month and year replacement date printed on the EPIRB.
After emergency use; after battery life expires.
After emergency use; every 12 months when not used.
Whenever voltage drops to less than 20% of full charge.
1-21D3:
If a ship sinks, what device is designed to float free of the mother ship, is turned on automatically and transmits a distress signal?
An emergency position indicating radio beacon.
EPIRB on 2182 kHz and 405.025 kHz.
Bridge-to-bridge transmitter on 2182 kHz.
Auto alarm keyer on any frequency.
1-21D4:
How do you cancel a false EPIRB distress alert?
Notify the Coast Guard or rescue coordination center at once.
Transmit a DSC distress alert cancellation.
Transmit a broadcast message to “all stations” canceling the distress message.
Make a radiotelephony “distress cancellation” transmission on 2182 kHz.
1-21D5:
What is the COSPAS-SARSAT system?
An international satellite-based search and rescue system.
A global satellite communications system for users in the maritime, land and aeronautical mobile services.
A broadband military satellite communications network.
A Wide Area Geostationary Satellite program (WAGS).
1-21D6:
What is an advantage of a 406 MHz satellite EPIRB?
All of the above.
It is compatible with the COSPAS-SARSAT Satellites and Global Maritime Distress Safety System (GMDSS) regulations.
Provides a fast, accurate method for the Coast Guard to locating and rescuing persons in distress.
Includes a digitally encoded message containing the ship’s identity and nationality.
Color key:
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● = Unseen
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● = Weak
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● = Review
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● = Learned
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● = Incorrect answer
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