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Chief Mate (Unlimited) Orals > GMDSS > Flashcards

GMDSS Flashcards

Includes definitions, checks and procedures to answer distress alerts

1
Q

Define “Sea Area A1”…

A

Area in which you are in continuous coverage of a VHF coast station where DSC is available

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2
Q

Define “Sea Area A2”…

A

Excluding Sea Area A1, area in which you are in continuous coverage of a MF coast station where DSC is available

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3
Q

Define “Sea Area A3”…

A

Excluding Sea Areas A1 & A2, area in which you are in coverage of INMARSAT satellites covering from 76 degrees North to 76 degrees South

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4
Q

Define “Sea Area A4”…

A

Excluding Sea Areas A1, A2 & A3, area within the polar region above 76 degrees North and below 76 degrees South

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5
Q

You receive a DSC distress alert either via VHF in A1, or MF in A2, what is the acknowledgement procedure…

A
  • Note distress
  • Inform Master
  • Switch to relevant distress RT frequency (VHF = 16, MF = 2182kHz)
  • Allow CRS to acknowledge
  • Acknowledge by RT to CRS
  • Acknowledge DSC if instructed to do so by CRS
  • If no response from distress vessel and CRS in 5 minutes and DSC repeats, RELAY by any method
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6
Q

You receive a DSC distress alert by VHF in A2, what is the acknowledgement procedure…

A
  • Note distress
  • Inform Master
  • Switch to relevant distress RT frequency (this case, VHF = 16)
  • Acknowledge by RT
  • If no response from distress vessel and CRS in 5 minutes and DSC repeats, RELAY by any method, if still no response by CRS, acknowledge DSC
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7
Q

You receive a DSC distress alert by VHF in A3, what is the acknowledgement procedure…

A
  • Note distress
  • Inform Master
  • Acknowledge by RT
  • If no response from distress vessel and CRS in 5 minutes and DSC repeats, acknowledge DSC and RELAY by any method
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8
Q

You receive a DSC distress alert by HF, what is the acknowledgement procedure…

A
  • Note distress
  • Inform Master
  • Wait 5 minutes for CRS to acknowledge
  • If no response from distress vessel and CRS in 5 minutes and DSC repeats, RELAY by any method
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9
Q

What is the format for transmitting a DISTRESS call?

A

MAYDAY 3x
This is YOUR SHIP NAME 3x
CALL SIGN & MMSI 1x

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10
Q

What is the format for transmitting a DISTRESS message?

A

MAYDAY 1x
This is YOUR SHIP NAME 1x
CALL SIGN & MMSI 1x
POSITION (either Lat & Long or position of geographically feature)
NATURE OF DISTRESS
TYPE OF ASSISTANCE (this case = immediate)
ANY ADDITIONAL / USEFUL INFORMATION

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11
Q

What is the format for acknowledging a DISTRESS call & message?

A

MAYDAY 1x
NAME OF DISTRESSED VESSEL 3x
THEIR CALL SIGN & MMSI 1x
This is YOUR SHIP NAME 3x
YOUR CALL SIGN & MMSI 1x
RECEIVED MAYDAY

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12
Q

The Controlling Station dealing with the distress can transmit what saying to stop unnecessary radio traffic?

A

SEELONCE MAYDAY

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13
Q

What saying can the Controlling Station transmit once the distress is over?

A

SELONCE FEENEE

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14
Q

What is the format for transmitting a DISTRESS RELAY call?

A

MAYDAY RELAY 3x
Either ALL STATIONS 3x or ALL SHIPS 3x or SPECIFIC STATION NAME 3x
This is YOUR SHIP NAME 3x
CALL SIGN & MMSI 1x

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15
Q

What is the format for transmitting a DISTRESS RELAY message?

A

MAYDAY 1x
DISTRESSED VESSEL NAME, CALL SIGN & MMSI 1x - if not known then say UNKNOWN VESSEL / HELICOPTER / AIRCRAFT
POSITION (either Lat & Long or from you)
NATURE OF DISTRESS
ASSISTANCE (this case = immediate)
OTHER USEFUL INFORMATION

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16
Q

What is the format for transmitting a URGENCY call?

A

PAN PAN 3x
Either ALL STATIONS 3x, ALL SHIPS 3x or NAME OF SPECIFIC STATION 3x
This is YOUR SHIP NAME 3x
CALL SIGN & MMSI 1x

17
Q

What is the format for transmitting a URGENCY message?

A

POSITION (either Lat & Long or geographical feature)
NATURE OF URGENCY
TYPE OF ASSISTANCE
OTHER USEFUL INFORMATION

18
Q

What is the format for transmitting a SAFETY call?

A

SECURITE 3x
Either ALL STATIONS 3x, ALL SHIPS 3x or NAME OF SPECIFIC STATION 3x
This is YOUR SHIP NAME 3x
CALL SIGN & MMSI 1x

19
Q

What is the format for transmitting a SAFETY message?

A

NAV / MET WARNING BEGINS
NATURE
POSITION (either Lat & Long or geographical feature)
ACTION REQUIRED

20
Q

How many NAVAREAs are there?

A

21

21
Q

What categories of information cannot be rejected by NAVTEX?

A

A = Nav Warnings
B = Met Warnings
D = Search & Rescue Information
L = Additional Nav Warnings

22
Q

What sections are there in the MCA GMDSS Logbook?

A

Section A = Particulars & equipment of the ship
Section B = Persons allowed to operate equipment (GOC)
Section C = Testing of equipment
Ensure position is logged daily

23
Q

What are the DAILY checks of your GMDSS equipment?

A
  1. DSC (no radiation - internal check)
  2. Batteries (on load & off load)
    Note the difference: OFF LOAD = battery read around 24V when no equipment connected
    ON LOAD = transmitting on MF/HF radio (non distress ideal frequency) should not drop more than 10% - if so, battery is weak or needs charging
  3. Printers (enough paper)
24
Q

What are the WEEKLY checks of your GMDSS equipment?

A
  1. DSC (test call on 2187.5kHz)
  2. Batteries (reserve power)
25
Q

What are the MONTHLY checks of your GMDSS equipment?

A
  1. Survival Craft VHF (radiation - test call on VHF Ch other than 16)
  2. EPIRB (general condition, salt water contacts, lanyard, battery expiry, HRU, condition of mounting)
  3. SART (test transmission, radar picture, general condition, battery expiry, condition of mounting)
  4. Batteries (physical condition, security, expiry, connections, contents of battery inside - if this, RA, Tool-box Talk, adequate ventilation, PPE, fill with distiled water)
  5. Antennas (security, cleanliness, security)
26
Q

What frequency does a RADAR SART operate on?

A

9.3 - 9.5 GHz

27
Q

What frequency does an EPIRB operate on?

A

406MHz (can have additional frequency of 121.5MHz as a hoaming device for aircraft)

28
Q

What frequency does a NAVTEX operate on?

A

518kHz (International) or 490kHz (Local)

29
Q

How many ADMIRALTY List of Radio Signal Volumes are there?

A

There are 6 volumes

30
Q

List the ADMIRALTY List of Radio Signals Volumes…

A

1 = Maritime Radio Stations (Parts 1 & 2)
2 = Radio Aids to Nav, DGPS, Legal Time, Radio Time Signals and Electronic Position Fixing Systems (Parts 1 & 2)
3 = Maritime Safety Information (Parts 1 & 2)
4 = Meteorological Observation Stations
5 = Global Maritime Distress & Safety System
6 = Pilot Services, VTS & Port Operations (Parts 1 - 8)

31
Q

Which ALRS volume contains details of the Maritime TeleMedical Advice Service (TMAS)?

A

Volume 1 - Maritime Radio Stations

Chief Mate (Unlimited) Orals (23 decks)

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