GMDSS EPIRB and SART Operations 3

Question 1

What information is encoded in a 406 MHz EPIRB's distress transmission?

Accepted Answer

A unique 15-digit identification code linked to the vessel and owner

Answer

The vessel's GPS position coordinates only

Answer

The captain's name and vessel type

Answer

The vessel's cargo manifest and port of departure

Question 2

If a vessel's EPIRB is accidentally activated, what is the immediate required action?

Accepted Answer

Immediately notify the appropriate rescue coordination center to cancel the false alert

Answer

Submerge the EPIRB in water to silence the signal

Answer

Ignore it if the vessel is not in actual distress

Answer

File a written report within 24 hours without any immediate notification

Question 3

What is the function of the hydrostatic release unit (HRU) fitted to a Category I EPIRB bracket?

Accepted Answer

It automatically releases and floats the EPIRB free when submerged to 1–4 meters depth

Answer

It tests the EPIRB battery charge level before deployment

Answer

It prevents the EPIRB from activating in heavy rainfall or spray

Answer

It permanently locks the EPIRB to the vessel structure during transit

Question 4

How many SARTs are typically required under SOLAS GMDSS regulations on most cargo ships?

Accepted Answer

Two, placed in survival craft

Answer

One, stored on the navigation bridge

Answer

Three, one for each major survival craft station

Answer

Four, including two designated backup units

Question 5

How does an AIS-SART differ from a traditional radar SART?

Accepted Answer

AIS-SARTs transmit their position as an AIS target visible on AIS-equipped displays

Answer

AIS-SARTs respond to 9 GHz radar interrogations like traditional SARTs

Answer

AIS-SARTs have a shorter standby life of only 48 hours

Answer

AIS-SARTs can only be detected by satellite systems and not by nearby vessels

Question 6

When must the battery of a 406 MHz EPIRB be replaced?

Accepted Answer

After any activation or when the battery's marked expiration date has passed

Answer

Every 6 months as a precautionary standard safety measure

Answer

Only after the EPIRB has transmitted continuously for the full 48-hour period

Answer

Every 5 years regardless of use or expiry date on the label

Question 7

Which GMDSS sea area covers polar and remote regions beyond INMARSAT geostationary satellite coverage?

Accepted Answer

Sea Area A4

Answer

Sea Area A1

Answer

Sea Area A2

Answer

Sea Area A3