Accusez réception de la position
Instruction to confirm that a vessel’s reported navigational position has been received and understood.
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External Communication
Browse External Communication terms for maritime professionals.
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Accusé de réception de détresse
Formal confirmation of receipt of a distress message, typically using prescribed wording as per SMCP and ITU RR.
View termAccusé de réception du message
Formal confirmation of receipt of a transmitted communication, usually by repeating essential content.
View termAncre chasse
Situation where a vessel’s anchor fails to hold and the vessel moves from its intended position, risking collision or grounding.
View termAncre dérapante
Situation where a vessel’s anchor does not hold, causing the ship to drift from its intended position.
View termAnnulation de détresse
Official transmission that a previous distress message is no longer valid, usually after the situation has been resolved.
View termAnnulation du message
Official notification that a previously transmitted message or warning is no longer valid or has been withdrawn.
View termAnnuler l’avertissement
Official notification that a previously issued warning is no longer in effect.
View termAnnulez l'avertissement
Formal message to withdraw or annul a previously issued navigational, meteorological, or safety warning that is no longer in effect.
View termAugmentez votre vitesse
Instruction to make more way through the water to meet traffic, tidal, or berth scheduling requirements.
View termAvancer en arrière
Order or report indicating the vessel is moving, or must move, backward relative to its heading.
View termAvertissement de navigation
Official broadcast of hazards, obstructions, or operational restrictions that may affect safe navigation.
View termAvertissement à la navigation
A formal broadcast or message informing mariners of navigational hazards, new obstructions, or significant changes in channels, aids to navigation, or regulations.
View termBouée non éclairée
A navigation buoy whose light is inoperative or not functioning, presenting a hazard at night.
View termBrouillage détecté
Notification that radio communication is being interfered with by intentional or unintentional signal jamming.
View termBrouillage fréquent
Repeated radio noise or overlapping transmissions that degrade VHF communication quality on the working channel.
View termBulletin météorologique
Official broadcast of weather conditions, warnings, and forecasts relevant to maritime navigation.
View termCanal de garde
A designated VHF radio frequency used for emergency, distress, or mandatory communication monitoring.
View termCanal occupé
Notification that the selected VHF working channel is congested with traffic, making immediate communication difficult.
View termCanal seize
The international VHF radio distress, safety, and calling channel (156.8 MHz) monitored at all times by ships and shore stations.
View termCanal seize
The international VHF radio distress, safety, and calling frequency (156.8 MHz) mandatory for all seagoing vessels to monitor continuously.
View termCap inchangé
A statement or confirmation that a vessel’s present heading will not be altered.
View termCap inchangé
Statement indicating that the vessel’s heading remains as previously instructed or reported.
View termCargaison dangereuse
Any substance or material that poses a significant risk to health, safety, or property during transport by sea, as defined by IMDG Code.
View termChangez de canal
Instruction to switch VHF radio communications from one designated channel to another for operational or traffic management reasons.
View termChenal occupé
Notification that a fairway or navigation channel is temporarily blocked or being used by another vessel, requiring others to wait or take alternate route.
View termConfirmez la position
Request or instruction to verify and report the current location of a vessel, typically in latitude and longitude.
View termConfirmez le cap
A request or instruction to verify and state the vessel’s current or intended navigational course, usually in degrees true or magnetic, for navigational safety.
View termConfirmez le relèvement
Instruction to verify and report the direction of an object or navigational aid from the vessel, usually in degrees relative to the ship's heading or true north.
View termContinuez l'écoute
Instruction to keep monitoring a specified VHF radio channel or other communication line for further traffic or safety messages.
View termCoordonnées confirmées
Affirmation that the provided position or waypoint coordinates are checked and verified as correct, usually before reporting to VTS or executing a navigational order.
View termCorrespondance publique
Telecommunications service on board for the exchange of messages between ship and shore for public or commercial use.
View termCédez le passage
An instruction for a vessel to yield in order to avoid collision and allow another vessel to pass as per the COLREGS.
View termDiffusion d'avertissement
A formal message disseminated by VTS, harbour authority, or vessels to alert all ships in an area about navigational hazards, operations, or urgent situations.
View termDiffusion d'information
A general transmission on VHF or NAVTEX to inform vessels about safety, weather, traffic or other operational matters.
View termDiffusion de sécurité
Official VHF or NAVTEX message to all ships concerning safety-related information or urgent warnings.
View termEmbarquement du pilote
Designated process and location where a maritime pilot embarks or disembarks from a vessel.
View termEmpruntez le chenal
Instruction to enter and follow a designated fairway or channel for safe navigation as directed by VTS or port authority.
View termEn approche du port
Statement or report that a vessel is moving towards a port or entering a specific area.
View termETA confirmée
Formal confirmation that a vessel’s estimated time of arrival is correct and accepted by both reporting vessel and authority.
View termETA confirmée
Affirmation that the vessel's estimated time of arrival at a specific point has been checked and is accurate based on current speed and conditions.
View termETA inchangée
Confirmation that the vessel’s estimated time of arrival remains as previously reported.
View termETA révisée
Notification that a vessel’s previously declared estimated time of arrival has changed and updated information is provided.
View termExercices de canot de sauvetage
Regular training exercises involving the launching and operation of lifeboats as per SOLAS requirements.
View termExercices de tir
Planned military or naval operations in which weapons are fired in designated sea areas, usually requiring ships to keep clear.
View termGyrocompas non fiable
A warning that the vessel’s gyrocompass cannot be trusted for accurate heading information.
View termHaute tension
Warning regarding electrical systems or cables carrying dangerous voltage levels, requiring safety precautions.
View termHomme à la mer
Emergency indicating that a person has fallen from a vessel into the water and immediate rescue actions are required.
View termHélice engagée
A condition where the propeller is entangled with ropes, nets, or debris, affecting maneuverability.
View termIndiquez vos intentions
Request for a vessel to state its planned manoeuvre, course, or operational actions to aid traffic coordination.
View termInformer le pilote
Request for instructions, information, or confirmation from the maritime pilot regarding navigation or maneuvers.
View termInformez sur le trafic
Request for current information about vessel traffic, movement, or congestion in a specific area.
View termInterférence magnétique
Disruption or deviation of magnetic compass readings due to local magnetic fields, ship’s structure, or electrical equipment, requiring verification and correction.
View termJe compte dépasser
Announcement that a vessel plans to pass another vessel ahead on a specified side in accordance with the COLREGS.
View termMaintenez la position
Instruction to maintain current position, either at anchor or underway, until further orders are received.
View termManutention des amarres
The operation of preparing, passing, securing, and tending mooring lines to assist in berthing or unberthing a vessel.
View termMayday Relay
A distress message transmitted by a vessel or station on behalf of another vessel, aircraft, or person in grave and imminent danger when the original station is unable to send it.
View termModifiez le cap
Instruction to change the vessel’s current heading in order to avoid danger or comply with traffic management.
View termNavire d'escorte
A vessel assigned to accompany another ship for navigational assistance, safety, security, or regulatory compliance in ports, coastal, or hazardous waters.
View termNavire suiveur
A vessel which is navigating behind another in the same direction, often in a convoy or traffic lane.
View termNombre de personnes
Total count of persons (crew and passengers) on board, often requested for safety or SAR purposes.
View termObstacle signalé
Notification that a hazard, such as a floating object or wreck, is present and may endanger navigation.
View termObstacle signalé
Notification that a physical hazard, such as a wreck, buoy, or floating object, has been observed in a navigable area, requiring mariners to exercise caution.
View termOpération terminée
Notification that a particular port, cargo, or navigational operation has been fully finished.
View termOpérations d’amarrage
All procedures related to securing or unmooring a vessel to or from a berth, buoy, or anchorage.
View termPan Pan
A radiotelephony urgency signal indicating a situation urgent but not immediately life-threatening; always spoken in English.
View termPas de clearance
Notification that the vessel does not have authorization or permission to enter, leave, or transit a specific area, port, or anchorage.
View termPas de réponse
Phrase used to indicate that a called station has not replied within a reasonable time, requiring repeat or escalation of the call as per radio protocols.
View termPasserelle en veille
Notification that the navigating bridge watch is monitoring the working channel and ready to respond immediately.
View termPerte de propulsion
Loss of ability to propel the vessel due to engine failure or other mechanical issues.
View termPollution par hydrocarbures
Presence or discharge of oil into marine waters from a vessel or facility, constituting a reportable incident and requiring emergency action as per MARPOL and local rules.
View termPosition d'urgence
Location reported by a vessel or person in distress, usually in latitude and longitude for rescue coordination.
View termPosition douteuse
Phrase used to indicate that the vessel's current navigational position cannot be reliably confirmed and may be inaccurate, requiring urgent verification.
View termPosition franchie
Notification that a vessel has just crossed or gone abeam of a specified position, buoy, or waypoint.
View termProblème machine
A condition in which a vessel’s propulsion machinery is malfunctioning or unreliable, possibly affecting speed and manoeuvrability.
View termRecherche par quadrant
A systematic search pattern, typically used in SAR operations, covering four quadrants from a datum point to locate persons or objects.
View termRejoindre le convoi
Instruction or request for a vessel to assemble and proceed as part of an organized convoy for mutual safety, security, or navigation, under VTS or naval coordination.
View termReprenez la route
Order authorising a vessel to continue its original voyage after a temporary stop, alteration, or holding pattern.
View termRestez à l'écart
Instruction to maintain a safe distance from a specified vessel, area, or hazard to prevent collision, obstruction, or risk during navigation or operations.
View termRestez à l’écart
Instruction to remain at a safe distance from a specified vessel, area, or hazard.
View termRestez à l’écoute
Instruction to maintain a listening watch on a specified VHF channel for further communication or safety messages.
View termRisque de collision
Phrase indicating that two or more vessels are on courses or at speeds that may result in collision unless action is taken according to COLREGS.
View termRisque d’échouement
Potential danger of the vessel running aground due to shallow water or navigational error.
View termSignalez les dommages
Instruction to inform relevant authorities or stations of any structural, mechanical, or environmental damage sustained, with details for emergency response or investigation.
View termSignalez un incendie
A prompt or instruction to immediately communicate the occurrence, location, and extent of a fire on board or ashore, using standard emergency procedures.
View termSilence radio
A formal order requiring all stations to cease transmitting on a frequency, usually for distress or security reasons.
View termStation côtière
A shore-based VHF or radio station responsible for maritime safety and communication in a designated coastal area.
View termSur zone
Statement indicating that the vessel, aircraft, or rescue unit has arrived at the position of an incident or casualty.
View termTest de communications
A check of the operational status and clarity of shipboard, shore, or VTS radio equipment by transmitting test calls and receiving acknowledgments.
View termTirant d'eau requis
Request or statement of the minimum water depth needed for safe passage of a vessel based on its loaded draft.
View termToutes stations
Universal radio call addressing every vessel or station within radio range, especially for navigational warnings or urgent messages.
View termTrafic d'urgence
Radio messages of high urgency concerning the safety of a ship, person, or environment, requiring priority over all other communications except distress.
View termTrafic de détresse
Radio transmissions exclusively concerning vessels or persons in grave and imminent danger, given absolute priority on all frequencies as per ITU and SOLAS regulations.
View termTrafic dense
A situation or area where a high density of vessels requires heightened vigilance, reduced speed, and strict adherence to COLREGS and local traffic rules.
View termTrafic local
Vessels operating within a port, harbour, or defined coastal area, often with priority rules or reporting obligations for navigation safety.
View termTrafic portuaire
Collective term for the movement of vessels and craft within port limits as monitored by VTS or Harbour Master.
View termTransfert par hélicoptère
Operation involving the embarkation or disembarkation of personnel or cargo by helicopter to or from a vessel, requiring special procedures and communications.
View termVeille d’écoute
Continuous monitoring of a specified VHF or radio frequency for traffic, safety, or distress calls.
View termVeille à l'écoute
Continuous monitoring of a designated VHF or MF/HF radio channel for traffic, safety, or distress messages, as required by IMO and ITU regulations.
View termVérifiez l'exactitude
Instruction to verify the accuracy of a reported position, course, message, or navigational information before proceeding or acknowledging receipt.
View termVérifiez la distance
Instruction or query to verify the distance to a navigational object, other vessel, or danger, often using radar or visual bearings.
View termVérifiez la position
Instruction or request to verify the vessel's current navigational position using all available means, including GPS, radar, and visual bearings, to ensure safe passage.
View termZone dangereuse
A specified maritime zone where navigation is hazardous due to military exercises, wrecks, shallow waters, or other dangers requiring special attention or restricted entry.
View termZone dangereuse
A specific zone designated as hazardous to navigation due to wrecks, shoals, operations, or other maritime risks; mariners are instructed to avoid entry.
View term