View source for AIS-Decoding

This paper focuses on NON Position-Report (1,2,3,18,19) / Static-Data (5/24) messages.

== AIS-Decoders ==

=== Ais Decoder ===
* https://arundaleais.github.io/docs/ais/ais_decoder.html (WIN)
==== missing ====
* no 6/200/3
* no 8/200/25
* no 8/200/26
* no 8/265/1

=== gpsdecode ===
* https://gpsd.gitlab.io/gpsd/gpsdecode.html
* <code>nc 153.44.253.27 5631 | gpsdecode | grep '"type":8'</code>
* <code>nc ssia-ais.erau.edu 4000 | gpsdecode | grep -e '"type":8' -e '"type":27'</code>
* working:
<pre>
{"class":"AIS","device":"stdin","type":8,"repeat":0,"mmsi":215349000,"scaled":true,"dac":1,"fid":27,"linkage":90,"sender":0,"rtype":5,"rtype_text":"Ship route plan","start":"00-00T24:60Z","duration":262143,"waypoints":[{"lon":7.107972,"lat":62.844255},{"lon":7.112132,"lat":62.848032}]}
</pre>
<pre>
{"class":"AIS","device":"stdin","type":8,"repeat":0,"mmsi":215349000,"scaled":true,"dac":1,"fid":29,"linkage":90,"text":"LESSREMMAN - ELNES (VIA RORVIK; OUTSIDE) CAPT YURI"}
</pre>
<pre>
{"class":"AIS","device":"stdin","type":8,"repeat":0,"mmsi":369493715,"scaled":true,"dac":366,"fid":56,"data":"256:a83746ce99bb9edbd3eebb88bb7dcecba01df41d94f9397136c0c97eb4af8d69"}
</pre>
<pre>
{"class":"AIS","device":"stdin","type":8,"repeat":0,"mmsi":369493715,"scaled":true,"dac":366,"fid":57,"data":"512:bf68e50cc47b8ae14771ed1a0c075bfb60f82bb9ffec80211e4aad32b4edac38b33a6b4280f403d0dff4069a452f9cd51dfc44285226e53d7f337377f15829d6"}
</pre>
<pre>
{"class":"AIS","device":"stdin","type":27,"repeat":0,"mmsi":368429323,"scaled":true,"status":"Not defined","accuracy":true,"lon":-81.0,"lat":29.2,"speed":0,"course":511,"raim":true,"gnss":false}
</pre>

==== missing/problems ====
* 6/1/0 Text Telegram does not decode!
* also valid, 'Illegal ship type' decoded! see https://unece.org/fileadmin/DAM/trans/doc/2013/sc3wp3/ECE-TRANS-SC3-WP3-2013-05e.pdf
<code>
{"class":"AIS","device":"stdin","type":8,"repeat":0,"mmsi":257303700,"scaled":true,"dac":200,"fid":10,"vin":"00000000","length":114,"beam":36,"shiptype":8450,"shiptype_text":"Illegal ship type value.","hazard":5,"hazard_text":"Unknown","draught":150,"loaded":0,"loaded_text":"N/A (default)","speed_q":false,"course_q":false,"heading_q":false}
</code>
* no 8/316/1
* no 8/316/2
* no 8/316/32
* no 8/265/1
* no 25

=== Maritec online AIS decoder ===
* https://www.maritec.co.za/aisvdmvdodecoding
==== missing/problems ====
* no 6/1/0
* poor Msg:8 decoding:
** no 8/200/10
** no 8/316/1
** no 8/316/2
** no 8/316/32

=== pyais ===
* https://github.com/M0r13n/pyais
* <code>pipx install pyais</code>
* <code>pipx ensurepath</code>
* <code>nc 153.44.253.27 5631 | ais-decode --json | grep '"msg_type": 8'</code>
* working:
<pre>
{"msg_type": 8, "repeat": 0, "mmsi": 257057800, "dac": 200, "fid": 10, "vin": "00000000", "length": 21.5, "beam": 6.0, "shiptype": 8440, "hazard": 5, draught": 0.0, "loaded": 0, "speed_q": false, "course_q": false, "heading_q": false}
</pre>
<code>{"msg_type": 27, "repeat": 3, "mmsi": 316054484, "accuracy": false, "raim": false, "status": 15, "lon": -79.441667, "lat": 43.633333, "speed": 0.0, "course": 511.0, "gnss": false}</code>
==== missing/problems ====
* no 6/1/0
* poor Msg:8 decoding (only DAC:200 FI:10)
<pre>
{"msg_type": 8, "repeat": 0, "mmsi": 215349000, "dac": 1, "fid": 27, "data": "FwFAGPP//3ggjnij9kTwQREIR+t9QIGPWI/RpYEAV0kfnN4B/oNCP0lbA/56ZH7oMAfMqQkAPXgPnOUSBujgIEAnJCF1QEOc0Uhdt0CLKQCQxYXBGjYZIXqkAkLbgkK4VwS3FHSHEE4JngLpEMz8"}
</pre>
<pre>
{"msg_type": 8, "repeat": 0, "mmsi": 215349000, "dac": 1, "fid": 29, "data": "FwUw4VOC2BYVIQEyChYkGAdIlCnI"}
</pre>
* no 25

=== others===
* https://github.com/tbsalling/aismessages
* https://github.com/bcl/aisparser
* https://github.com/schwehr/libais
* https://github.com/dma-ais/AisLib

=== aisdecode ===
* https://github.com/madpsy/aisdecode/
* <code>./aisdecode-linux-amd64 -log-all-decodes decoded</code>

=== AIS-catcher ===
* web-edition: https://www.aiscatcher.org/tools/nmea-decoder
* input: https://docs.aiscatcher.org/configuration/input/tcp/
* output: https://docs.aiscatcher.org/configuration/output/console/
* web view: https://docs.aiscatcher.org/configuration/output/web-viewer/
* <code>AIS-catcher -t txt://153.44.253.27:5631 -o 5 -N 8101 GEOJSON false MESSAGE true REALTIME false</code>
==== missing ====
* no 6/1/0
* no 6/1/2
* no 6/1/3
* no 6/1/4
* no 6/200/3
* no 6/316/2/2
* no 8/1/16
* no 8/1/27
* no 8/1/29
* no 8/200/25
* no 8/200/26
* no 8/200/55
* no 8/265/1
* no 8/316/1/1
* no 8/316/1/2
* no 8/316/1/3
* no 8/316/2/1
* no 8/316/32/1
* no 17
* no 25

== Papers ==
* https://gpsd.gitlab.io/gpsd/AIVDM.html
* https://www.e-navigation.nl/system-messages
* https://www.e-navigation.nl/asm/ais
* https://arundaleais.github.io/docs/ais/ais_message_types.html
* https://arundaleais.github.io/docs/ais/ais_decoder_binary.html
* https://tbsalling.dk/blog_006_application_specific_messages.html
* MSG:6/8 + DAC:316/266 + FID:1/2/32
** https://greatlakes-seaway.com/wp-content/uploads/2020/05/Seaway-AIS-message-specifications-R41.pdf

== NMEA Examples ==
Samples are taken from [[AIS-Sources]]
=== Message type 1 (out of scope) ===
* https://www.e-navigation.nl/content/position-report

=== Message type 2 (out of scope) ===
* https://www.e-navigation.nl/content/position-report-0

=== Message type 3 (out of scope) ===
* https://www.e-navigation.nl/content/position-report-1

=== Message type 4 ===
* https://www.e-navigation.nl/content/base-station-report

=== Message type 5 (out of scope) ===
* https://www.e-navigation.nl/content/ship-static-and-voyage-related-data

=== Message type 6 ===
* https://www.e-navigation.nl/content/addressed-binary-message

==== DAC:0 ====
* 6/0/0: <code>!AIVDM,1,1,,A,6>q7C:@000I8000000LP5h00,0*51</code>
** https://www.e-navigation.nl/content/monitoring-aids-navigation
* 6/0/29: <code>!AIVDM,1,1,,B,602=aedp3IV@01nfJB<04CpUvh0000L6@WElHnQULU=lIFIQKP00,0*33</code>
* 6/0/34: <code>!AIVDM,1,1,,B,63P<NoP0SInH029D0?N1H4tR00400P0I<P0,2*27</code>
* 6/0/54: <code>!AIVDM,1,1,,,6@28nOP0R=Wr03H9q=6e2000,0*7F</code>

==== DAC:1 ====
* 6/1/0: <code>!BSVDM,1,1,4,B,633`PP1:wRqP040004<d,0*09</code>
** https://www.e-navigation.nl/content/text-using-6-bit-ascii
* 6/1/2: <code>!AIVDM,1,1,,A,6h2E3MECnED00480J00000000000,0*5E</code>
** https://www.e-navigation.nl/content/interrogation-specified-fms-within-iai-branch
* 6/1/3: <code>!AIVDM,1,1,,A,6h2E:p<u:nj204<0@00000000000,0*78</code>
** https://www.e-navigation.nl/content/capability-interrogation-0
* 6/1/4: <code>!AIVDM,1,1,,A,638fgJ00UBf204@0@2000020000002000000000,2*27</code>
** https://www.e-navigation.nl/content/capability-reply-0
* 6/1/40: <code>!AIVDM,1,1,,A,63aGrPP0U@oD06P000,4*1B</code>
** https://www.e-navigation.nl/content/number-persons-board-0

==== DAC:3 ====
* 6/3/34: <code>!AIVDM,1,1,,A,6h2E:p<jK8cR0>80@00000000000,0*27</code>

==== DAC:200 ====
* 6/200/3: <code>!AIVDM,1,1,,A,602E3TprE>Mv<P<j00,4*4C</code>
** https://www.e-navigation.nl/content/inland-capability-interrogation
* 6/200/55: <code>!AIVDM,1,1,,A,639cQcP0RW?:<SL4000000000000,0*3C</code>
** https://www.e-navigation.nl/content/number-persons-board-1

==== DAC:232 ====
* 6/232/1: <code>!BSVDM,1,1,,A,63MA?QD0SJP@>P5m;C45qdG?H@,4*0B</code>
* 6/232/1: <code>!AIVDM,1,1,,A,63P:`4l0SJP@>P7g6PGIGSjPJ0,4*4E</code>
** Used by Port of London Authority (PLA) {Not decoded}

==== DAC:235 ====
* 6/235/10: <code>!AIVDM,1,1,,,6>jaws@00004>da7P000000,2*4A</code>
* 6/235/10: <code>!BSVDM,1,1,,A,6>jHDwh00000>db@P000010,2*55</code>
** https://www.e-navigation.nl/content/aids-navigation-monitoring-data

==== DAC:316 ====
* 6/316/2/2: <code>!AIVDM,2,1,2,A,6030ot1;F8RlCh82abKH85j2E1ARDj80PFH8885t<bJTa<i=tU8vW2UC,0*04</code> <code>!AIVDM,2,2,2,A,<CO9;5aiC@00000000,4*1C</code>
** https://www.e-navigation.nl/content/estimated-lock-times-message-seaway-0

==== DAC:373 ====
* 6/373/3: <code>!AIVDM,1,1,,B,6h2E3M@rFUmJGD<0@00000000000,0*0B</code>
** MID=Panama

==== DAC:440 ====
* 6/440/40 <code>!AIVDM,1,1,,A,603l90P0u2@8KRPh<=m8ADQcf@:e9N@PwP0wP008000080000000,0*75</code>
* 6/440/51: <code>!AIVDM,1,1,,,6>lEM>h00000KS?e5GCe7rJVA40OvnTs2Ql01t01t001`0000001p0,4*3c</code>
* 6/440/51: <code>!AIVDM,1,1,,,6>lEM<l00000KS?e5GC=7rJVA3LP1UTs2wH21o01s000H0000003h0,4*55</code>
** MID=Korea

==== DAC:988 ====
* 6/988/0: <code>!AIVDM,1,1,,B,6>l00900??VQuh001?bA8=jo001;@0001@,4*40</code>

==== DAC:990 ====
* 6/990/3 <code>!AIVDM,1,1,,A,6>l4vWh0??VQurKe1?au8=jp1hU@@00010,4*1D</code>
* 6/990/38 <code>!AIVDM,1,1,,A,6>l4v`P0??VQurKe1?b88=jnv@59P0001h,4*7C</code>
* 6/990/40 <code>!AIVDM,1,1,,B,6>l4vVhgchP5urSe1?ad`0I<Ea`1BBWA,0*48</code>

=== Message type 7 ===
* https://www.e-navigation.nl/content/binary-acknowledge
* <code>!AIVDM,1,1,,A,7b8Bp1N2BknWRf0,4*24</code>
* <code>!AIVDM,1,1,,B,73JIn200h=w0,0*6C</code>

=== Message type 8 ===
* https://www.e-navigation.nl/content/binary-broadcast-message
==== DAC:1 ====
* 8/1/11: <code>!AIVDM,1,1,0,B,800SpMh0BjDDreeFpVqcwwwwwwwwwwwwwwwwrbOwwww?wowwwgwwwwwwwt00,0*58</code>
** https://www.e-navigation.nl/content/metreorological-and-hydrological-data
* 8/1/16: <code>!AIVDM,1,1,,A,802At?00D000qFap02:lA0b@?3fw0001<:iFP2:rf0cCGp0w00,4*5E</code>
** https://www.e-navigation.nl/content/vts-targets-targets-derived-means-other-ais
* 8/1/22: <code>!AIVDM,1,1,,B,803Ovrh0EP:024`@02PN04da=3V<>N0000,4*39</code>
** https://www.e-navigation.nl/content/area-notice-0
* 8/1/27: <code>!BSVDM,1,1,,B,83=Go200Fih7h1Sh00080000000000,4*0E</code>
** https://www.e-navigation.nl/content/route-information-0
* 8/1/29: <code>!AIVDM,1,1,,,83t`?I@0G@:?>G1?6600,0*0B</code>
* 8/1/29: <code>!BSVDM,1,1,,A,83ku;wh0GAQB?7>1>PeP6B54B9;CD14P,0*10</code>
* 8/1/29: <code>!AIVDM,2,1,6,,83buRF00G@1jhjmemPC3B?2IPC1>4CPD?P?ED5B81B2?EBP7B51DPI1B=?ED8,0*6B</code> <code>!AIVDM,2,2,6,,0,4*65</code>
** https://www.e-navigation.nl/content/text-description-0
* 8/1/31: <code>!AIVDM,1,1,,,8vjHWT@0Gh0TN1N>vCC0Qi0lnPAL`GFigwl?wnSwe7wvlOwwsAwwnSGmwvh0,0*57</code>
* 8/1/31: <code>!AIVDM,1,1,,,8vjHWR00Gh05I1NBtkC0gwvlFR06EuOwgrVWwnSwe7wvlOwwsAwwnSGmwvh0,0*09</code>
* 8/1/31: <code>!AIVDM,1,1,,,8vjHWQ00GwwJlAN>g;C0gwvlFR06EuOwgquOwnSwe7wvlOwwsAwwnSGmwvh0,0*7F</code>
* 8/1/31: <code>!AIVDM,1,1,,,8vjHWPh0Gh0f1aN<:SC0wwvlFR06EuOwgreGwnSwe7wvlOwwsAwwnSGmwvh0,0*13</code>
* 8/1/31: <code>!AIVDM,2,1,7,A,8>jHE700Gwr7HIVSwS;JPwtqFPC3b2o;gwl>0Dt1R9@1`b0PSb0>:gB;wvv00000,0*77</code> <code>!AIVDM,2,2,7,A,001,0*20</code>
** https://www.e-navigation.nl/content/meteorological-and-hydrographic-data
* 8/1/40: <code>!AIVDM,1,1,,B,86:fRw@0J00h,0*00</code>
** Number of Persons on Board (legacy)

==== DAC:103 ====
* 8/103/56: <code>!AIVDM,1,1,,,8000000Iv?JmFqtQ<6WvDdm4HwwhalETq?2Gq:wQ03,4*55</code>

==== DAC:200 ====
* 8/200/25: <code>!AIVDM,1,1,,,8@1tMD@j6B2`00498L74Uc8I4WIp,0*38</code>
** https://www.e-navigation.nl/content/present-bridge-clearance
* 8/200/26: <code>!AIVDM,1,1,,,8@1tMD@j6P2`0L04m00000000000,0*68</code>
** https://www.e-navigation.nl/content/water-level-message-2
* 8/200/55: <code>!AIVDM,1,1,,,835NdJPj=hD000000000000,2*10</code>
** https://www.e-navigation.nl/content/number-persons-board-1

==== DAC:242 ====
* 8/242/0: <code>!AIVDM,1,1,,A,802DD;ltP2j2f;m0DnNgE<GM2`2Ib:Dt4Wr:`L@?Jv3d?Obc@wub,0*76</code>
** MID=Morocco

==== DAC:265 ====
* 8/265/1: <code>!BSVDM,2,1,3,B,83mme212@@5bNT`dbVhUP?wrgH0<IBF000ip0:U=9H?00QO03VpUP0wuI<0G,0*1C</code> <code>!BSVDM,2,2,3,B,;2F1sws2@0l79H000;m00q`UP5c6h8eWod0,2*27</code>
** https://www.e-navigation.nl/content/route-message-0

==== DAC:316 ====
* 8/316/0: <code>!AIVDM,2,1,2,A,8000wQA?0000AkDp3@@i3kPC180TRA1iH=L;,0*6C</code> <code>!AIVDM,2,2,2,A,8888880,2*26</code>
** FI:0=?
* 8/316/1/1: <code>!AIVDM,2,1,3,B,8030otA?0@6Va0PPP121IoCol54cd1?wuTwwis3qTP2VaBPPP121IoCo,0*13</code> <code>!AIVDM,2,2,3,B,l54cd2Uwp=wwis3iTP2Va<PPP121IoCol54cd25wuEwwit3uTP0,2*73</code>
** https://www.e-navigation.nl/content/weather-station-message
* 8/316/1/2: <code>!AIVDM,3,1,7,A,8030ot1?0@:Vb0PPPPC<2oURW5==KR=vh02Vb2PPPC><<oLGRU9PdRP:,0*41</code> <code>!AIVDM,3,2,7,A,142Vb0PP=ilfnnslqTrw7P`3he2Vb0PPPP2jinsT64r6uSL@@e2Vb0PP,0*4A</code> <code>!AIVDM,3,3,7,A,PP2?loRRgU;l4Qqvh02Vb0PPPP2iinsn44sP3Rl=i40,2*4B</code>
** https://www.e-navigation.nl/content/wind-information-message
* 8/316/1/3: <code>!AIVDM,2,1,6,,8030osA?0@>U:jPPPB38jnsuPTt6m2Oa@02U:jPPPB38knsvSTt0DRnA@02U:,0*55</code> <code>!AIVDM,2,2,6,,jPPPB38nnsvA4so@Soi@02U:jPPP<<F<nsUvTr?DT?0@00,2*4C</code>
** https://www.e-navigation.nl/content/water-level-message
* 8/316/1/6: <code>!AIVDM,2,1,9,B,8030ot1?0@JbS0PP6eD<?oL;j59`Ue2`002b`0P6e2?8@oRhA5;oodTp,0*7E</code> <code>!AIVDM,2,2,9,B,002b`0P6e31C3oRK65;qv0S8000,2*4D</code>
** https://www.e-navigation.nl/content/water-flow-message-seaway
* 8/316/2/1: <code>!AIVDM,2,1,7,,8h3Owj1?0P6U:eC<CO<hknsuq4t54P2222222220<DhTp7BVp004hLtl60MD5,0*23</code> <code>!AIVDM,2,2,7,,8@T4qBbTP0HD@E84j0dUH4hTsBbg00,2*35</code>
** Lockage Order Message (Seaway)
* 8/316/32/1: <code>!AIVDM,1,1,,,8030osA?80440@0,2*44</code>
** https://www.e-navigation.nl/content/version-message-seaway

==== DAC:366 ====
* 8/366/1/1: <code>!AIVDM,1,1,,A,803OdJQKP@5=l0B3PPPPPnGG:5Bnf3RB8LVV0sP3wP0,2*4A</code>
** https://www.e-navigation.nl/content/weather-station-message-0
* 8/1/22: <code>!AIVDM,1,1,,B,803Ovrh0EP:024`@02PN04da=3V<>N0000,4*39</code>
** https://www.e-navigation.nl/content/area-notice-0
* 8/366/33/3: <code>!AIVDM,1,1,,A,8h3Ovn1K`CoO02wwv0T000ip0000,0*52</code>
** Environmental>Water Level
* 8/366/33/9: <code>!AIVDM,1,1,7,B,8P3QiWAK`IoOH>7qOWG`I4gf0000?Mt0H0jTB@0037P0000,2*72</code>
** Environmental>Weather {Awaiting verification)
* 8/366/34: <code>!AIVDM,1,1,,A,803OvriK`QPMQ;T6gGiCV3T`hT;0,0*3C</code>
** Whale notice?
* 8/366/56: <code>!AIVDM,1,1,,A,85PH6liKf6Q7K<r9gds1gL<QTaI;JIo2nl4dvMdmQehw06ElF7ba,0*49</code>
** https://www.e-navigation.nl/content/position-report-payload
* 8/366/57: <code>!AIVDM,2,1,0,A,85PH6MiKfI>IpPLg>bvJf?8GTtIr1CQirolq>IQglM<sIhDlpEA2P`otmk=7,0*5A</code> <code>!AIVDM,2,2,7,A,88888888880,2*23</code>
** https://www.e-navigation.nl/content/static-data-payload

==== DAC:367 ====
* 8/367/33 <code>!AIVDM,1,1,,B,8>k1oKiKpB9GO>42lBPWmre0<N00,0*55</code>
** https://www.e-navigation.nl/content/environmental-message-0

==== DAC:755 ====
* 8/755/43: <code>!AIVDM,1,1,,B,8i2r`;Btrpk:58a34`8,1*38</code>
** MID=Paraguay

=== Message type 9 ===
* https://www.e-navigation.nl/content/standard-search-and-rescue-aircraft-position-report
* <code>!AIVDM,1,1,,A,91b55vRCQvOo4PLLww<3cGh20@Br,0*79</code>
* <code>!AIVDM,1,1,,B,91b55vRCQvOo25fM003Cc5P200SE,0*51</code>

=== Message type 10 ===
* https://www.e-navigation.nl/content/coordinated-universal-time-and-date-inquiry
* <code>!AIVDM,1,1,,B,:3mrMf0o9r40,0*08</code>
* <code>!AIVDM,1,1,,B,:8152F@q@7r0,0*53</code>

=== Message type 11 ===
* https://www.e-navigation.nl/content/coordinated-universal-time-and-date-response
* <code>!AIVDM,1,1,,,;025>TAvVT;>lPtmTbN3h9O02000,0*73</code>

=== Message type 12 ===
* https://www.e-navigation.nl/content/addressed-safety-related-message
* <code></code>

=== Message type 13 ===
* https://www.e-navigation.nl/content/safety-related-acknowledge
* <code>!AIVDM,1,1,,A,=7@Ri<k12pI3A8H78,1*36</code>

=== Message type 14 ===
* https://www.e-navigation.nl/content/safety-related-broadcast-message
* <code>!BSVDM,1,1,,B,>>M5?si<59B1@E=@,0*5A</code>
* <code>!BSVDM,1,1,,B,>>OS:i@lt:04=@UHF20,2*33</code>

=== Message type 15 ===
* https://www.e-navigation.nl/content/interrogation
* <code>!AIVDM,1,1,,,?3:4?B0rG3D4D00,2*18</code>

=== Message type 16 ===
* https://www.e-navigation.nl/content/assigned-mode-command
* <code>!AIVDM,1,1,,B,@6STUk004lQ206bCKNOBAb6SJ@5s,0*74</code>

=== Message type 17 ===
* https://www.e-navigation.nl/content/global-navigation-satellite-system-broadcast-binary-message
* <code>!AIVDM,2,1,7,,A@1tMD@9Ddpb80@05NIn1@0005P7wq;v1Pl0Q@0q3P2B08@?wvP0LAGw9?uu5,0*4F</code> <code>!AIVDM,2,2,7,,gwP03dN08;w4:bb,0*73</code>

=== Message type 18 (out of scope) ===
* https://www.e-navigation.nl/content/standard-class-b-equipment-position-report

=== Message type 19 (out of scope) ===
* https://www.e-navigation.nl/content/extended-class-b-equipment-position-report

=== Message type 20 ===
* https://www.e-navigation.nl/content/data-link-management-message
* <code>!AIVDM,1,1,,,D01tMD@FLNfr<`f017@O6D8PN00,2*1A</code>
* <code>!AIVDM,1,1,,,D05J8jP?TN?`fpNfp0,4*6E</code>
* <code>!AIVDM,1,1,,,D030osj<TvfqsINfqt1N9ItaN96,2*21</code>
* <code>!AIVDM,1,1,,,D030ow03Hg6D>e?6DF8g6D0,2*19</code>
* <code>!AIVDM,1,1,,A,D7OertARHNfp00O6EPlNfqmtO6D,2*05</code>
* <code>!AIVDM,1,1,,,D02Q:dQRpNfp00N000,4*7F</code>
* <code>!AIVDM,1,1,,,D01vI7iGtS6EHpS6EI<S6D0,2*2E</code>

=== Message type 21 ===
* https://www.e-navigation.nl/content/aids-navigation-report
* <code>!AIVDM,1,1,,,E>jN6L<Sc;pP000000000000000@7ctH>fwT000003iP10,4*09</code>
* <code>!AIVDM,1,1,,,ENjNi4pV7ab@294V64W3h84`2P0@=3n;?R3t@00003vN10,4*61</code>
* <code>!AIVDM,1,1,,,ENjAaDG2d:9@9ba@Fh24`bRh22hOmq?2:OvK@<7hGkP>2S1EPCU1KChr<JAh,0*6A</code>
* <code>!AIVDM,1,1,,,ENjOsr0tg@6a9Qh;2W4QRP000000L;g4<wpI000000N010,4*68</code>
* <code>!AIVDM,1,1,,,ENk`snv`5@@@@@@@@@@@@@@@@@@=Hbqv;fPcH00003vP000,2*48</code>
* <code>!AIVDM,1,1,,,E>nlfRNQRW:97h=3h0W:2`:Ra:7erKB:n6Veh00003W010,4*77</code> <code>!AIVDM,2,2,6,,jPPPB38nnsvA4so@Soi@02U:jPPP<<F<nsUvTr?DT?0@00,2*4C</code>
* <code>!AIVDM,1,1,,B,ENk`sE<Hph@@@@@@@@@@@@@@@@@=7UIQ8889h00003vP000,2*36</code>
* <code>!AIVDM,1,1,,A,E>lt;w9QRc11W00000000000000Dten:n39q@00003vP10,4*43</code>
* <code>!AIVDM,1,1,,,ENj7=GrPV0R=40gQ0W5PP000000A0@2w<HI=000003v000,4*35</code>
* <code>!AIVDM,1,1,,,ENj7=IaWR0ah;0a70hI00000000104rL<Fe0000003v000,4*31</code>
* <code>!AIVDM,1,1,,,ENj7=IIWR0ah;0a70hHP00000000wu3N<Fqth00003v000,4*34</code>
* <code>!AIVDM,1,1,,,ENj7=JqWR0ah2VTW2P0000000000wo`V<=kUP00003v000,4*3E</code>

=== Message type 22 ===
* https://www.e-navigation.nl/content/channel-management
* <code>!AIVDM,1,1,,,F030osj2N2P6aoabhe47C6L20000,0*44</code>

=== Message type 23 ===
* https://www.e-navigation.nl/content/group-assignment-command
* <code>!AIVDM,1,1,,,G01tMD0:08pu0?lQhg600000;00,2*59</code>
* <code>!AIVDM,1,1,,,Gh2E3502qdv@054isVb00000000,2*05</code>

=== Message type 24 (out of scope) ===
* https://www.e-navigation.nl/content/static-data-report

=== Message type 25 ===
* https://www.e-navigation.nl/content/single-slot-binary-message
* <code>!AIVDM,1,1,,,I8LgAM@00000k=6DDLil`0O5;K02,0*30</code>
* <code>!AIVDM,1,1,,,I8Lg9gh00000k=6DDLifD0O4JF02,0*19</code>
* <code>!AIVDM,1,1,,,I8LgAM@00000k=6DNLila0O5;I02,0*39</code>
* <code>!AIVDM,1,1,,B,I5Hfm`iWdrBeAk4,1*6A</code>
* <code>!AIVDM,2,1,3,A,I`1ifG20UrcNTFE?UgLeo@Dk:o6G4hhI8;?vW2?El>Deju@c3Si451FJd9WPU<>B,0*04</code> <code>!AIVDM,2,2,3,A,gML6TO918o:?6uoOFu3k@=vE,3*41</code>

=== Message type 26 ===
* https://www.e-navigation.nl/content/multiple-slot-binary-message-communications-state
* <code>J</code>

=== Message type 27 ===
* https://www.e-navigation.nl/content/long-range-automatic-identification-system-broadcast-message
* <code>!AIVDM,1,1,,B,K5OG92wu2Cj8E0Ot,0*37</code>
* <code>!AIVDM,1,1,,B,KoOis@Sm4`uL40Ot,0*78</code>