Element 7R: Restricted GMDSS Radio Operating Practices

effective 8/01/2006

    Unseen questions
    Weak questions
    Review questions
    Learned questions
    Incorrect answer choices  

7R-A-20: Response to a Distress Alert

7R-20D1: Which statement is true regarding the receipt and acknowledgement of distress alerts by ship stations?

A ship station that receives a distress alert must, as soon as possible, inform the Master or person responsible for the ship of the contents of the distress alert.

Ship stations in receipt of a distress alert should acknowledge it immediately to assist the coast station in responding to the distress alert.

Ship stations operating in areas where reliable communications with a coast station are not practicable, that receive a distress alert from a vessel in their vicinity, must either acknowledge by DSC or send a DSC relay to inform the Rescue Coordination Center.

Alerts concerning navigational hazards are second only to safety traffic.

7R-20D2: What does the acronym “EOS" indicate in the received message?

End Of Sequence

Error Of Sequence

End Of Signals

Equal Operating Signals

7R-20D3: What is the proper procedure to be followed upon receipt of a Distress alert transmitted by use of Digital Selective Calling techniques?

Set watch on the radiotelephone Distress and Safety frequency associated with the Distress and Safety calling frequency on which the Distress alert was received.

Set watch on the DSC alerting frequency in the band of frequencies the alert was received.

Set a continuous watch on VHF-FM Channel 13, 16 and DSC on Channel 70.

Ship stations equipped with narrow-band direct-printing equipment should respond to the Distress alert as soon as practicable by this means.

7R-20D4: What does the acronym "ECC" indicate in the received message?

Error Check Character

Every Cipher Counted

Error Cannot Confirm

Even Characters Counted

7R-20D5: What action should be taken on receipt of a distress alert?

All of the above

Read the display screen and/or printout.

Silence the alarm.

Listen for any follow on voice transmission on the appropriate frequency.

7R-20D6: What precautions should be taken when reviewing an incoming Distress Alert message?

Be careful not to activate a DSC acknowledgement or relay.

If the message is not clear make a DSC call to all ships requesting clarification.

No precautions are necessary.

None of the above

Color key:
● = Unseen
● = Weak
● = Review
● = Learned
● = Incorrect answer
Previous group:
7R-A-19: Follow-on Voice Transmission
Back to index:
Element 7R: Restricted GMDSS Radio Operating Practices
Next group:
7R-A-21: Distress Relays