- •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:
Dsc Operational Procedures for Ships Contents
Introduction
Distress
Transmission of a DSC distress alert
Actions on receipt of a DSC 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
Urgency
Transmission of a urgency messages
Reception of urgency messages
Safety
Transmission of a safety message
Reception of a safety message
Public correspondence
DSC channels for public correspondence
Transmission of a DSC call to a coast station or another ship
Repeating a call
ACKNOWLEDGMENT of a received call
Reception of acknowledgment and further actions
Testing the equipment
Special conditions and procedures for DSC communications on HF
Distress
Urgency
Safety
Introduction - Where these procedures came from
The following procedures were adapted from the International Telecommunications Union, Radiocommunications Study Group Recommendation M.541, Operational Procedures for the use of Digital Selective-Calling (DSC) Equipment in the Maritime Mobile Service.
Operating procedures may vary somewhat among different radios, depending upon how the radio is designed, how the radio's software is configured, and how the DSC processor is connected to the radio transceiver.
Distress Transmission of dsc distress alert
A distress alert should be transmitted if, in the opinion of the Master, the ship or a person is in distress and requires immediate assistance.
A DSC distress alert should as far as possible include the ship's last known position and the time (in UTC) when it was valid. The position and the time may be included automatically by the ship's navigational equipment or may be inserted manually.
The DSC distress alert is transmitted as follows:
tune the transmitter to the DSC distress channel (2 187.5 kHz on MF, channel 70 on VHF)
if time permits, key in or select on the DSC equipment keyboard
the nature of distress,
the ship's last known position (latitude and longitude),
the time (in UTC) the position was valid,
type of subsequent distress communication (telephony),
in accordance with the DSC equipment manufacturer's instructions;
transmit the DSC distress alert
prepare for the subsequent distress traffic by tuning the transmitter and the radiotelephony receiver to the distress traffic channel in the same band, i.e. 2 182 kHz on MF, channel 16 on VHF, while waiting for the DSC distress acknowledgment.
NOTE - Some maritime MF radiotelephony transmitters shall be tuned to a frequency 1700 Hz lower than 2187.5 kHz, i.e. 2185.8 kHz, in order to transmit the DSC alert on 2187.5 kHz.