| ID |
Message Description |
| AAM | Waypoint Arrival Alarm |
| ABK | AIS Addressed and Binary Broadcast Acknowledgement |
| ABM | AIS Addressed Binary and Safety Related Message |
| ACA | AIS Regional Channel Assignment Message |
| ACF | General AtoN Station Configuration Command |
| ACG | Extended General AtoN Station Configuration Command |
| ACK | Acknowledge Alarm |
| ACM | AIS Base Station Addressed Channel Management Command |
| ACS | AIS Channel Management Information Source |
| ADS | Automatic Device Status |
| AFB | AtoN Forced Broadcast Command |
| AGA | AIS Base Station Broadcast of a Group Assignment Command |
| AID | AtoN Identification Configuration Command |
| AIR | AIS Interrogation Request |
| AKD | Acknowledge Detail Alarm Condition |
| ALA | Set Detail Alarm Condition |
| ALM | GPS Almanac Data |
| ALR | Set Alarm State |
| ALR | Set Alarm State |
| ARC | Alert Command Refused |
| ASN | AIS Base Station Broadcast of Assignment Command |
| BBM | AIS Broadcast BinaryMessage |
| BCG | Base Station Configuration, General Command |
| BCL | Base Station Configuration, Location Command |
| BEC | Bearing & Distance to Waypoint - Dead Reckoning |
| BOD | Bearing - Origin to Destination |
| BWC | Bearing & Distance to Waypoint – Great Circle |
| BWR | Bearing & Distance to Waypoint – Rhumb Line |
| BWW | Bearing – Waypoint to Waypoint |
| CEK | Configure Encryption Key Command |
| COP | Configure the Operational Period, Command |
| CBR | Configure Broadcast Rates for AIS AtoN Station Message Command |
| CPC | Configure Parameter-code for UNIX Time Parameter |
| CPD | Configure Parameter-code for Destination-identification Parameter |
| CPG | Configure Parameter-code for the Sentence-Grouping Parameter |
| CPN | Configure Parameter-code for the Line-count Parameter |
| CPR | Configure Parameter-code for Relative (epoch / event) Time Parameter |
| CPS | Configure Parameter-code for the Source-identification Parameter(s) |
| CPT | Configure Parameter-code for a Text-string Parameter |
| CUR | Water Current Layer |
| DBT | Depth Below Transducer |
| DCN | DECCA position |
| DCR | Device Capability Report |
| DDC | Display Dimming Control |
| DLM | Data Link Management Slot Allocations for Base Station Command |
| DOR | Door Status Detection |
| DPT | Depth |
| DSC | Digital Selective Calling Information |
| DSE | Expanded Digital Selective Calling |
| DSI | DSC Transponder Initialize |
| DSR | DSC Transponder Response |
| DTM | Datum Reference |
| ECB | Configure Broadcast Schedules for Base Station Messages, Command |
| ETL | Engine Telegraph Operation Status |
| EVE | General Event Message |
| FIR | Fire Detection |
| FSI | Frequency Set Status or Command |
| FSR | Frame Summary of AIS Reception |
| GBS | GNSS Satellite Fault Detection |
| GEN | Generic Binary Information |
| GFA | GNSS Fix Accuracy and Integrity |
| GGA | Global Positioning System Fix Data |
| GLC | Geographic Position – Loran-C |
| GLL | Geographic Position – Latitude/Longitude |
| GMP | GNSS Map Projection Fix Data |
| GRS | GNSS Range Residuals |
| GSA | GNSS DOP and Active Satellites |
| GST | GNSS Pseudorange Error Statistics |
| GSV | GNSS Satellites In View |
| GNS | GNSS Fix Data |
| HBT | Heartbeat Supervision Sentence |
| HDG | Heading, Deviation & Variation |
| HDT | Heading, True |
| HMR | Heading Monitor Receive |
| HMS | Heading Monitor Set |
| HSC | Heading Steering Command |
| HSS | Hull Stress Surveillance Systems |
| HTC | Heading/Track Control Command |
| HTD | Heading/Track Control Data |
| LCD | Loran-C Signal Data |
| LRF | AIS Long-Range Function |
| LRI | AIS Long-Range Interrogation |
| LR1 | AIS Long-range Reply Sentence 1 |
| LR2 | AIS Long-range Reply Sentence 2 |
| LR3 | AIS Long-range Reply Sentence 3 |
| MEB | Message Input for Broadcast, Command |
| MLA | GLONASS Almanac Data |
| MSK | MSK Receiver Interface Command |
| MSS | MSK Receiver Signal |
| MTW | Water Temperature |
| MWD | Wind Direction & Speed |
| MWV | Wind Speed & Angle |
| NAK | Negative Acknowledgement |
| NRM | NAVTEX Receiver Mask Command |
| NRX | NAVTEX Received Message |
| OSD | Own Ship Data 109 |
| POS | Device Position and Ship Dimensions Report or Configuration Command |
| PRC | Propulsion Remote Control Status |
| RMA | Recommended Minimum Specific Loran-C Data |
| RMB | Recommended Minimum Navigation Information |
| RMC | Recommended Minimum Specific GNSS Data |
| ROR | Rudder Order Status |
| ROT | Rate Of Turn |
| RPM | Revolutions |
| RSA | Rudder Sensor Angle |
| RSD | Radar System Data |
| RST | Equipment Reset Command |
| RTE | Routes RTE - Routes |
| SFI | Scanning Frequency Information Status and Command |
| SID | Set an Equipment’s Identification and Command |
| SPO | Select AIS Device’s Processing and Output, Command |
| SSD | AIS Ship Static Data |
| STN | Multiple Data ID |
| TBR | TAG Block Report Request |
| TBS | TAG Block Listener Source-identification Configuration Command |
| TFR | Transmit Feed-Back Report |
| THS | True Heading and Status |
| TLB | Target Label |
| TLL | Target Latitude and Longitude |
| TPC | Transmit Slot Prohibit, Command |
| TRC | Thruster Control Data |
| TRD | Thruster Response Data |
| TSA | Transmit Slot Assignment |
| TSP | Temporary Transmit Slot Prohibit |
| TSR | Transmit Slot Prohibit Status Report |
| TTD | Tracked Target Data |
| TTM | Tracked Target Message |
| TUT | Transmission of Multi-language Text |
| TXT | Text Transmission |
| UID | User Identification Code Transmission |
| VBW | Dual Ground/Water Speed |
| VDM | AIS VHF Data-link Message |
| VDO | AIS VHF Data-Link Own-Vessel Report |
| VDR | Set & Drift |
| VER | Version |
| VHW | Water Speed and Heading |
| VLW | Dual Ground/Water Distance |
| VPW | Speed – Measured Parallel to Wind |
| VSD | AIS Voyage Static Data |
| VSI | VDL Signal Information |
| VTG | Course Over Ground & Ground Speed |
| WAT | Water Level Detection |
| WCV | Waypoint Closure Velocity |
| WNC | Distance – Waypoint to Waypoint |
| WPL | Waypoint Location |
| XDR | Transducer Measurements |
| XTE | Cross-Track Error, Measured |
| XTR | Cross-Track Error – Dead Reckoning |
| ZDA | Time & Date |
| ZDL | Time & Distance to Variable Point |
| ZFO | UTC & Time from Origin Waypoint |
| ZTG | UTC & Time to Destination Waypoint |
