AIS VDM & VDO Message Decoder VDM/VDO Decoder Supported Msgs ITU-R M.1371-1 Terms & Conditions VISIT MARITEC TRUST ONLINE STORE – AIS & NMEA PRODUCTS AIS VDM/VDO Decoder ENTER ONE MESSAGE PER LINE. MULTI SENTENCE MESSAGES HAVE TO BE ENTERED IN DIRECT SEQUENCE (viz. MSG 5, Msg 1-of-2, 2-of-2 ) Checksum (xor) failure is indicated where applicable. Using this decoder, you have accepted the Terms & Conditions. !AIVDM,1,1,,A,13u?etPv2;0n:dDPwUM1U1Cb069D,0*23 !AIVDM,1,1,,A,400TcdiuiT7VDR>3nIfr6>i00000,0*78 !AIVDM,2,1,0,A,58wt8Ui`g??r21`7S=:220588OA;0sk,0*7B !AIVDM,2,2,0,A,eQ8823mDm3kP00000000000,2*5D !AIVDM,1,1,4,B,6>jR0600V:C0>da4P106P00,2*02 !AIVDM,2,1,9,B,61c2;qLPH1m@wsm6ARhp34k;S8i=3To,0*2C !AIVDM,2,2,9,B,Djhi=3Di<2pp=34k>4D,2*03 !AIVDM,1,1,1,B,8>h8nkP0Glr=>M4fWA<59B1@E=@,0*17 !AIVDM,1,1,,A,B6CdCm0t3`tba35f@V9faHi7kP06,0*58 !AIVDM,2,1,0,B,C8u:8C@t7@TnGCKfm6Po`e6N`:Va0L2J;06HV50JV?SjBPL3,0*28 !AIVDM,2,2,0,B,11RP,0*17 !AIVDO,2,1,5,B,E1c2;q@b44ah4ah0h:2ab@70VRpU0U>0600:1Dp,2*7D !AIVDO,1,1,,B,H1c2;qDTijklmno31< Should you require additional messages, enter your email address and requirements before entering the Decode button. AIS NMEA VDM VDO Messages currently supported. AIS Message 1,2,3 – AIS Class A Position Report AIS Message 4 – Base station report AIS Message 5 – AIS Class A Ship static and voyage related data AIS Message 6 – Binary Data Addressed • Generic • Sealite SL125 / 155 Apollo lantern – proprietary AIS AtoN (DAC,FI: regional / user configurable) • GLA Format for AIS Aids to Navigation Monitoring Message (DAC = 235 & 250; FI = 10) AIS Message 8 – Binary Data Broadcast • Generic • AIS AtoN Meteorological and Hydrographic data (DAC001,FI31) (IMO SN.1/Circ.289) AIS Message 9 – Standard SAR aircraft position report AIS Message 11 – Mobile UTC and date response AIS Message 12 – Safety Related Addressed AIS Message 14 – Safety Related Broadcast AIS Message 18 – Class B/CS Position Report AIS Message 19 – Extended Class B Equipment Position Report AIS Message 21 – Aids To Navigation Report AIS Message 24 – Class B/CS Static data report (Part A & B) AIS Message 27 – Position report for long range applications All valid messages are decoded irrespective of the checksum (XOR); however, checksum failure is indicated where applicable. AIS MESSAGES – ITU-R M.1371-4 Msg ID Name Description Prio-rity Access scheme Communi-cation state M/B 1 Position report Scheduled position report; (Class A shipborne mobile equipment) 1 SOTDMA, RATDMA, ITDMA(1) SOTDMA M 2 Position report Assigned scheduled position report; (Class A shipborne mobile equipment) 1 SOTDMA(9) SOTDMA M 3 Position report Special position report, response to interrogation; (Class A shipborne mobile equipment) 1 RATDMA(1) ITDMA M 4 Base station report Position, UTC, date and current slot number of base station 1 FATDMA(3) (7), RATDMA(2) SOTDMA B 5 Static and voyage related data Scheduled static and voyage related vessel data report; (Class A shipborne mobile equipment) 4(5) RATDMA, ITDMA(2) N/A M 6 Binary addressed Binary data for addressed communication 4 RATDMA(10), FATDMA, ITDMA(2) N/A M/B 7 Binary acknowledgement Acknowledgement of received addressed binary data 1 RATDMA, FATDMA, ITDMA(2) N/A M/B 8 Binary broadcast message Binary data for broadcast communication 4 RATDMA(10), FATDMA, ITDMA(2) N/A M/B 9 Standard SAR aircraft position report Position report for airborne stations involved in SAR operations, only 1 SOTDMA, RATDMA, ITDMA(1) SOTDMA ITDMA M 10 UTC/date inquiry Request UTC and date 3 RATDMA, FATDMA, ITDMA(2) N/A M/B 11 UTC/date response Current UTC and date if available 3 RATDMA, ITDMA(2) SOTDMA M 12 Addressed safety related message Safety related data for addressed communication 2 RATDMA(10), FATDMA, ITDMA(2) N/A M/B 13 Safety related acknowledgement Acknowledgement of received addressed safety related message 1 RATDMA, FATDMA, ITDMA(2) N/A M/B 14 Safety related broadcast message Safety related data for broadcast communication 2 RATDMA(10), FATDMA, ITDMA(2) N/A M/B 15 Interrogation Request for a specific message type (can result in multiple responses from one or several stations)(4) 3 RATDMA, FATDMA, ITDMA(2) N/A M/B 16 Assignment mode command Assignment of a specific report behaviour by competent authority using a Base station 1 RATDMA, FATDMA(2) N/A B 17 DGNSS broadcast binary message DGNSS corrections provided by a base station 2 FATDMA(3), RATDMA(2) N/A B 18 Standard Class B equipment position report Standard position report for Class B shipborne mobile equipment to be used instead of Messages 1, 2, 3(8) 1 SOTDMA, ITDMA(1), CSTDMA SOTDMA, ITDMA M 19 Extended Class B equipment position report Extended position report for class B shipborne mobile equipment; contains additional static information(8) 1 ITDMA N/A M 20 Data link management message Reserve slots for Base station(s) 1 FATDMA(3), RATDMA N/A B 21 Aids-to-navigation report Position and status report for aids-to-navigation 1 FATDMA(3), RATDMA(2) N/A M/B 22 Channel management(6) Management of channels and transceiver modes by a Base station 1 FATDMA(3), RATDMA(2) N/A B 23 Group assignment command Assignment of a specific report behaviour by competent authority using a Base station to a specific group of mobiles 1 FATDMA, RATDMA N/A B 24 Static data report Additional data assigned to an MMSI Part A: Name Part B: Static Data 4 RATDMA, ITDMA, CSTDMA, FATDMA N/A M/B 25 Single slot binary message Short unscheduled binary data transmission (Broadcast or addressed) 4 RATDMA, ITDMA, CSTDMA, FATDMA N/A M/B 26 Multiple slot binary message with Communications State1 Scheduled binary data transmission (Broadcast or addressed) 4 SOTDMA, RATDMA, ITDMA SOTDMA, ITDMA M/B 27 Position report for long range applications Scheduled position report; (Class A shipborne mobile equipment outside base station coverage) 1 RATDMA N/A M 28-63 Undefined; Reserved for future use N/A N/A N/A N/A M Terms M/B: M: transmitted by mobile station B: transmitted by Base station. FATDMA Fixed Access Time Division Multiple Access ITDMA Incremental time division multiple access SOTDMA Self organizing time division multiple access RATDMA Random access time division multiple access Maritec Trust Terms and Conditions This tool can be used free of charge. The accuracy of this tools is not guaranteed in any way. This tool is used at your own discretion and risk and you have no claim against the provider in any way.