- •Maritime Communications
- •Imo smcp 2001
- •Universal Shipborne Automatic Identification System (ais) Transponder 1
- •Digital Selective Calling 3
- •1. (Part 1) maritime communications – introduction
- •1. 1 General
- •1. 2 Technical Information From: http://www.Goals.Com/ClassRm/SailSci/seacom.Htm: Communication at Sea
- •Inmarsat system
- •External communications - Intership Frequencies
- •General
- •1.3 Voice Radiocommunications
- •1.3.1 General
- •False Distress Transmissions
- •1.3.2 Communications Priorities
- •1.4 Operating Procedures – Using imo Standard Phrases (smcp 2001)
- •1.4.1 General
- •1.4.2 Smcp Message Markers
- •1.4.3 Message Checks
- •1.4.4 Some Useful Words and Phrases in Conducting vhf Communications
- •1.4.5 Phonetic Alphabet
- •1.4.6 Numbers
- •1.4.7 Dtg (date, time, utc)
- •1.4.8 Position
- •Longitude zero - three - one degrees two – zero minutes west
- •1.4.9 Courses, distances, speed
- •1.4.11 Standard organizational phrases:
- •1.5 Linguistic structure of marine radiotelephone conversations
- •1.5.1 Introduction
- •2. Exchange of messages
- •1.5.2 Exchange
- •2. (Part 2) conduct of maritime radiotelephone conversations
- •2.1 Introduction
- •1. Initial call
- •5. Switch over procedure
- •9. End procedure
- •This is
- •2.4 Other phrases in conducting exchanges
- •I read you 5 (excellent)
- •Readability 4
- •2.5 Other examples of vhf exchanges:
- •This is
- •2.7 Transcripts of real vhf communications
- •Marlin: I’m just now on Delta Bravo 17*. Over.
- •Ep: Marlin. This is Elbe Pilot. Good evening to you.
- •Communication event No. 4
- •Ep: Marlin. This is Elbe Pilot. Good evening to you.
- •Sea dog: Next port of call will be Hull. Hull. April 14 daybreak. Over.
- •3. (Part 3) distress, urgency and safety procedures
- •1. The distress signal mayday spoken three times,
- •2. The words this is,
- •3. The name and call sign of the vessel in distress spoken three times.
- •19 Persons on board
- •Repetition of a Distress Message
- •I am proceeding to your assistance
- •19 Persons on board
- •In smcp 2001 distress communications (spoken or written, those conducted via vhf, mf, hf or gmdss, etc.), are dealt with in:
- •Part a (External Communications) – chapters dealing with distress communications: a1/1 Distress traffic
- •1 Standard Distress Message
- •3.5.2 (Smcp cont’d)
- •3.5.3 Smcp (cont’d)
- •1 Standard distress message
- •I am on fire after explosion
- •3.5.4 (Smcp cont’d)
- •4. (Part 4) search and rescue communications
- •It is a good practice to log all radio transmissions to and from your station. Also, writing down messages before you send them ensures that all information gets transmitted correctly.
- •Vhf communications in sar operations
- •5. (Part 5) routine communications
- •Universal Shipborne Automatic Identification System (ais) Transponder What is a Universal ais?
- •How Does it Work?
- •Ais Frequencies
- •Imo Carriage Requirement
- •Uscg Response Policy
- •Distress Relays
- •Imo Flowcharts
- •Dsc Forum
- •Dsc Operational Procedures for Ships Contents
- •Introduction - Where these procedures came from
- •Distress Transmission of dsc distress alert
- •Actions on receipt of a distress alert
- •Distress traffic
- •Transmission of a dsc distress relay alert
- •Acknowledgment of a dsc distress relay alert received from a coast station
- •Acknowledgment of a dsc distress relay alert received from another ship
- •Cancellation of an inadvertent distress alert (distress call)
- •Urgency Transmission of urgency messages
- •Announcement:
- •Transmission of the urgency message:
- •Reception of an urgency message
- •Safety Transmission of safety messages
- •Transmission of the safety message:
- •Reception of a safety message
- •Public correspondence dsc channels for public correspondence
- •Transmission of a dsc call for public correspondence to a coast station or another ship
- •Repeating a call
- •Acknowledgment of a received call and preparation for reception of the traffic
- •Reception of acknowledgment and further actions
- •Testing the equipment used for distress and safety
- •Special conditions and procedures for dsc communication on hf General
- •Distress
- •Urgency
- •Public correspondence on hf
- •The First Digit of an mmsi
- •Maritime Identification Digits (mid)
- •Ship Station Identities
- •Group Ship Station Call Identities
- •Coast Station Identities
- •Group Coast Station Call Identities
- •Iamsar Manual: (extract from: http://rofficer.Narod.Ru/docs/iamsar_c.Htm )
- •2.27 Sar Operations Messages
- •International maritime organization
- •1 Introduction
- •2 Distress relays
- •3 All coast stations call
- •4 Authorization
- •5 Flow diagrams
- •Ship Reporting Systems
- •7. 1 Marep/posrep
- •Mandatory ship reporting system in the straits of malacca and singapore
- •Vesterrenden - Western Channel
- •Vessel Traffic Service (vts)
- •7.3 Polrep
- •8. Global Maritime Distress and Safety System (gmdss)
- •Vtmis Glossary of Terms & Abbreviations
- •Video Courses:
1.4.4 Some Useful Words and Phrases in Conducting vhf Communications
Standard phrases and words to be used in maritime safety communications are laid down in IMO Standard Marine Communication Phrases, London, 2001. While it is impractical to set down precise phraseology for all radiotelephone procedures, the following words and phrases should be used where applicable. Words and phrases such as OK, ROGER, REPEAT, TEN-FOUR, OVER AND OUT, BREAKER, COME IN PLEASE, … are not recommended.
Standard words and phrases:
WORD or PHRASE MEANING
ACKNOWLEDGE |
Let me know that you have received and understood this message |
AFFIRMATIVE |
Yes, or permission granted |
ALL SHIPS IN … (AREA) |
I request that all ships receiving this transmission (in the specified sea area) listen to what follows |
BREAK |
I must break (into) this conversation for urgent reasons |
CALLING |
I wish to speak to … |
CHANNEL |
Change to channel…....... before proceeding. |
CONFIRM |
My version is _____. Is that correct? |
CORRECTION |
An error / mistake has been made in this transmission (message indicated). The correct version is ___. |
FINAL CALL |
I have finished my operation and wish to stop communicating |
GO AHEAD |
Proceed with your message. |
HAVE A GOOD WATCH / VOYAGE |
A polite form of ending the conversation, used before the word OUT. |
HOW DO YOU READ? |
How well are you receiving me? Do you receive me? I READ BAD / POOR / FAIR / GOOD/WELL / EXCELLENT/1…5. |
INTERRUPTION |
I am being interrupted. I will take action to deal with it. |
I SAY AGAIN |
Used instead of “I repeat”). |
I AM COMING TO YOUR ASSITANCE |
Used as a response to an initial distress message if your ship or station is able to render assistance. |
MAYDAY |
The spoken word for the distress signal. |
MAYDAY RELAY |
Is the spoken word for the distress relay signal. |
MESSAGE FOR YOU |
In Radio Traffic: I have a message for you which I intend to read. Say if you are ready to receive it. - PASS ON YOUR MESSAGE |
MISTAKE |
There is a mistake in the transmission. The correct information should be … - CORRECTION: … |
NEGATIVE |
No, or that is not correct, or I do not agree. |
NOTHING MORE |
I have finished my message |
ON CHANNEL .. |
I am calling on channel … |
OVER |
My transmission is ended and I expect a response from you. |
OUT |
I am terminating my transmission. Conversation is ended and no response is expected, |
PAN PAN |
The spoken word for the urgency signal. |
PLEASE ACKNOWLEDGE |
Indicate that you have received what I have just said |
PLEASE READ BACK |
Read back to me the information that I have just given READING BACK: … |
PLEASE SPEAK IN FULL / SLOWLY |
Do not abbreviate your messages / speak slowly, I have difficulty in following or understanding |
PLEASE SPELL … |
Spell (e.g. your ship's name) using the phonetic alphabet - I SPELL … / I AM SPELLING … |
PLEASE USE SMCP |
Use SMCP (formerly SMNV) during this conversation |
PRUDONCE |
During long distress situations, communications can resume on a restricted basis. Communication is to be restricted to ship's business or messages of a higher priority. |
READBACK |
Repeat all of this message back to me exactly as received after I have given OVER. (Do not use the word "repeat".) |
ROGER |
I have received all of your last transmission. (not recommended) |
ROGER NUMBER |
I have received your message number…. (not recommended) |
ROGER STANDBY |
I must pause for a few seconds or minutes, please wait. (not recommended) |
SAY AGAIN |
Self-explanatory. (Do not use the word "repeat".) I SAY AGAIN : … |
SECURITE |
The spoken word for the safety signal. |
SEELONCE |
Indicates that silence has been imposed on the frequency due to a distress situation. |
SEELONCE DISTRESS |
Is the international expression to advise that a distress situation is in progress, This command comes from a vessel or coast station other than the station in distress. |
SEELONCE FEENEE |
Is the international expression for a distress cancellation. |
SEELONCE MAYDAY |
Is the international expression to advise that a distress situation is in progress. The command comes from the ship in distress. |
SORRY |
Polite statement of apology |
STAND BY ON VHF CHANNEL … |
Remain on VHF channel … STANDING BY ON CHANNEL … |
STANDING BY on .. |
Response to “Stand by …” - I agree to keep watch on VHF channel … |
STAY ON |
Do not terminate this conversation or change the subject because I have more to say |
STOP TRANSMITTING |
Stop transmitting on this channel (a higher priority transmission going on or to be started) |
SWITCH TO VHF CHANNEL … |
I suggest that you switch / go / change to channel … AGREE VHF CHANNEL … / SWITCHING TO CHANNEL … |
THAT IS CORRECT |
Self-explanatory |
THANK YOU |
Polite statement of gratitude |
THIS IS … |
Used to identify a station. My name (call sign) is … |
UNDERSTOOD |
I have received and understood the information and I shall read it back to you now. - (optional response: READBACK IS CORRECT) |
UNKNOWN SHIP … |
I wish to make contact with the ship described. I do not know its name or call sign (give relative position, type, colour, course, speed) |
VERIFY |
Check coding, check text with originator and send Correct version. |
VHF channel … UNABLE |
I cannot switch to channel … |
VHF channels AVAILABLE |
I can transmit on the following channels … |
WAIT … MINUTES |
Wait for … minutes and do not terminate |
WHICH VHF CHANNEL? |
Which channel do you suggest ? SWITCH TO VHF CHANNEL … |
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For the use of these phrases see also: SMCP 2001