GMDSS Distress, urgency Communications || 100% Verified
Solutions.
Who onboard a vessel has the authority to send a distress call and message? correct answers The
Master
If a station hears a distress call what's the first thing they must do? correct answers Immediatley
cease all transmissions likely to interfere with the distress and continue to listen
What is the definition of Distress? correct answers A mobile unit (ship, aircraft, or other vehicle)
or a person is threatened by grave and imminent danger and requires immediate assistance
What is the international distress frequency? correct answers 2182 KHz is the frequency for
radio telephony used by ships and aircraft. It is also used for urgent calls/messages and safety
calls
What is the Distress signal? correct answers MAYDAY. Distress traffic is always prefixed by the
signal MAYDAY
What is the preferred distress procedure? correct answers Simplex working on CH 16 or 2182
kHz is preferred
What is simplex transmission? correct answers Transmission and reception on the same
frequency
What is duplex transmission? correct answers Has one frequency for transmission and a different
frequency for reception
How to give a Distress call? correct answers Mayday x 3
This is
Name x 3
, Callsign x 3
MMSI x 1
How to give a Distress message? correct answers MayDay
Identity -ships name, call sign and MMSI number
Position
Distress
Assistance required (require immediate assistance)
Number of persons onboard
Other information
Over
How do you give the ships position? correct answers Either as a lat and long, a charted
geographical position, or a range and bearing from a charted object of reference
How do vessels using terrestrial services proceed with a Distress call? correct answers Mayday x
3
This is
Name x 3
Callsign x 1
MMSI x 1
How would you word a Distress message following a DSC Alert? correct answers Message sent
on R/T or telex Distress frequency in the same band in which the alert was acknowledged.
Mayday
Name, Callsign, MMSI
Position (may be different to the DSC alert position)
Nature of distress
Solutions.
Who onboard a vessel has the authority to send a distress call and message? correct answers The
Master
If a station hears a distress call what's the first thing they must do? correct answers Immediatley
cease all transmissions likely to interfere with the distress and continue to listen
What is the definition of Distress? correct answers A mobile unit (ship, aircraft, or other vehicle)
or a person is threatened by grave and imminent danger and requires immediate assistance
What is the international distress frequency? correct answers 2182 KHz is the frequency for
radio telephony used by ships and aircraft. It is also used for urgent calls/messages and safety
calls
What is the Distress signal? correct answers MAYDAY. Distress traffic is always prefixed by the
signal MAYDAY
What is the preferred distress procedure? correct answers Simplex working on CH 16 or 2182
kHz is preferred
What is simplex transmission? correct answers Transmission and reception on the same
frequency
What is duplex transmission? correct answers Has one frequency for transmission and a different
frequency for reception
How to give a Distress call? correct answers Mayday x 3
This is
Name x 3
, Callsign x 3
MMSI x 1
How to give a Distress message? correct answers MayDay
Identity -ships name, call sign and MMSI number
Position
Distress
Assistance required (require immediate assistance)
Number of persons onboard
Other information
Over
How do you give the ships position? correct answers Either as a lat and long, a charted
geographical position, or a range and bearing from a charted object of reference
How do vessels using terrestrial services proceed with a Distress call? correct answers Mayday x
3
This is
Name x 3
Callsign x 1
MMSI x 1
How would you word a Distress message following a DSC Alert? correct answers Message sent
on R/T or telex Distress frequency in the same band in which the alert was acknowledged.
Mayday
Name, Callsign, MMSI
Position (may be different to the DSC alert position)
Nature of distress
