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海事の国際的動向に関する調査研究事業報告書(海上安全) 別冊 AISの国際的動向に関する調査研究

 事業名 海事の国際的動向に関する調査研究
 団体名 日本海難防止協会 注目度注目度5


8 Estimated Lock Times Message (Seaway)
 
Parameter Number of bits Description
Application ID 16 DAC = 316 or 366; FI = 2; See Section 2.1
Reserved 2  
Message ID 6 Message Identifier = 2 (00 0010 in binary)
Timetag 20 Month, Day and Time of message, See Section 2.2
Vessel Name 90 15 character vessel name in 6 bit ASCII
Last Location 42 7 character identifier of last location in 6 bit ASCII
Last ATA 20 See Section 2.2
First Lock 42 7 character identifier of first lock in 6 bit ASCII
First Lock ETA 20 See Section 2.2
Second Lock 42 7 character identifier of second lock in 6 bit ASCII
Second Lock ETA 20 See Section 2.2
Delay 42 7 character identifier of the first lock which currently has a vessel being delayed
Reserved 4  
Total Number of Bits 366 (3 Slots)
 
Notes:
 
 The Estimated Lock Time message is an addressed binary message sent to individually targeted vessels. Once the Seaway AIS network receives an acknowledgement from the intended vessel transponder (M.1371/A2-3.3.8.2.5 Message 7: Binary Acknowledge) indicating that the message has been received, no further transmissions will be issued. In addition, any change to the estimated lock times will result in the immediate transmission of the updated information.

8.1 Example: Estimated Lock Times Message
 
Designated Area Code Function Id Res. Message Id
0 1 0 0 1 1 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0
316 2 0 2
 
Timetag ・・・
0 1 0 1 1 1 1 0 1 0 1 1 0 0 0 1 1 1 1 0 0 0 1 1
May 29th 12 30 "M"・・・
 
・・・Vessel Name・・・
0 1 0 0 1 0 0 1 0 0 1 1 0 0 0 0 1 0 1 1 0 1 1 0
・・・ "I" "L" "K" "Y"・・・
 
・・・Vessel Name・・・
0 1 1 0 0 0 0 0 0 1 0 0 1 1 0 1 0 1 0 0 0 0 0 0
・・・ "" "S" "T" "A"
 
・・・Vessel Name・・・
0 1 0 1 0 0 1 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0
・・・ "R" "" "" ""
 
・・・Vessel Name Last Location・・・
0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 1 1 0 0 1 1
・・・ "" "" "S" "L"
 
・・・Last Location・・・
0 0 0 1 0 0 1 1 0 1 1 1 1 1 0 0 1 1 0 0 1 1 0 0
・・・ "S" "_" "L" "0"
 
・・・Last Location Last ATA・・・
0 0 1 1 0 0 0 1 0 1 0 1 1 1 1 0 1 0 1 1 0 1 0 0
・・・ "1" May 29th 13 ・・・
 
・・・ First Lock・・・
0 0 0 0 0 1 0 0 1 1 0 0 1 1 0 0 0 1 0 0 1 1 0 1
・・・00 "S" "L" "S" ・・・
 
・・・First Lock ・・・
1 1 1 1 0 0 1 1 0 0 1 1 0 0 0 0 1 1 0 0 1 0 0 1
"_" "L" "0" "2" ・・・
 
・・・First Lock ETA Second Lock・・・
0 1 1 1 1 0 1 0 1 1 0 1 0 1 1 1 1 0 0 1 0 0 1 1
May 29th 13 30 "S"
 
・・・Second Lock・・・
0 0 1 1 0 0 0 1 0 0 1 1 0 1 1 1 1 1 0 0 1 1 0 0
"L" "S" "_" "L"
 
・・・Second Lock Second Lock ETA・・・
1 1 0 0 0 0 1 1 0 0 1 1 0 1 0 1 1 1 1 0 1 0 1 1
"0" "3" May 29th 14・・・
 
・・・Second Lock ETA Delay・・・
1 0 0 0 0 0 0 0 0 1 0 0 1 1 0 0 1 1 0 0 0 1 0 0
・・・ 00 "S" "L" "S"・・・
 
・・・Delay・・・
1 1 0 1 1 1 1 1 0 0 1 1 0 0 1 1 0 0 0 0 1 1 0 0
・・・ "_" "L" "0" "1"・・・
 
・・・ Reserved
0 1 0 0 0 0
・・・ 0
 
9 Version Message (seaway)
 
Parameter Number of bits Description
Application ID 16 DAC = 316 or 366; FI = 32; See Section 2.1
Reserved 2  
Seaway Message ID 6 Message Identifier = 1 (00 0001 in binary)
Major Version 8 Major revision number
Minor Version 8 Minor revision number
Reserved 8 Reserved for future use
Total Number of Bits 48 (1 Slots)
 
Notes:
 
 The Version Message identifies the current message specifications being used by the Saint Lawrence Seaway AIS network. The combined major and minor revision numbers refer to the document version of the "Saint Lawrence Seaway AIS DATA Messaging Formats and Specifications".
 
 A major revision number change indicates that an existing message has been revised. Decoding algorithms for previous message versions will misinterpret the content of the revised message.
 
 A change in the minor revision number refers to an addition of one or more new messages. These message additions should not cause decoding routines that are compliant to the current major revision to misinterpret existing messages. If the Seaway agencies deem that a newly introduced message is critical to transit safety, the operating agencies may elect to make that a Major revision change.
 
 The Version Message is a binary broadcast. All shore stations in the AIS network will transmit this message once every 15 minutes.
 
 Note: Version 4.0 (major version = 4 and minor version = 0) will be the initial version message when the Seaway AIS network begins its operation.

9.1 Example: Version Message
 
Example:
 
Designated Area Code Function Id Res. Message Id
0 1 0 0 1 1 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
316 32 0 1
 
Major Version Minor Version Reserved
0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
4 0 0
 
10 Seaway Safety Related Message
 
 The Seaway may transmit addressed and broadcast safety related text messages to notify AIS equipped users to waterway conditions that affect transit safety or efficiency. These messages will be formatted as defined in the IEC 61993-2 document Section 7.6.19 (Message 12) and, Section 7.6.21 (Message 14).
 
11 References:
 
・IMO Resolution MSC.74(69), Annex 3, Recommendation on Performance Standards for an Universal Shipborne Automatic Identification Systems (AIS)
 
・ITU-R Recommendation M.1371-1, Technical Characteristics for a Universal Shipborne Automatic Identification System Using Time Division Multiple Access in the Maritime Mobile Band
 
・IEC 61993-2 Ed.1, Maritime navigation and radiocommunication requirements - Automatic identification systems (AIS) - Part 2: Class A shipborne equipment of the universal automatic identification system (AIS) - Operational and performance requirements, methods of test and required test results
 
・NMEA 0183: Standards For Interfacing Marine Electronic Devices, (C) NMEA 2000 Version 3.00, July 1, 2000
 
12 Appendix A - PAWSS Messages
 
 Messages detailed in this section will be used in areas where U.S. Coast Guard PAWSS AIS coverage is available.
 
・Hydro /Current Message
 
PARAMETER BITS DESCRIPTION RANGE RESOLUTION DATA TYPE
Application ID 16 DAC (10 bits) + FI (6 bits); FI = 1      
Spare 2        
Msg ID 6 Msg ID = [ 000100 ] = 4 1-63   Ulnt
Station binary data Max
896
From 1 to 6 "Hydro/Current Reports"      
Total Num Bits Max
920
=24 + N*144

N;  Total Bits  (Num Req'd Slots)
1;    168 bits       (2 slots)
2;    312 bits       (2 slots)
3;    456 bits       (3 slots)
4;    600 bits       (4 slots)
5;    744 bits       (4 slots)
6;    888 bits       (5 slots)
     
 
・Hydro /Current Report
 
PARAMETER BITS DESCRIPTION RANGE RESOLUTION DATA TYPE
Timestamp 20 Timestamp: MMDDhhmm (4,5,5,6 bits) (UTC time) 1-12 Month
1-31 Day
0-23 hour
0-59 min
1 minute Unsigned Int
Station id 42 Alphanumeric string (7 6-bit chars)     String
Longitude 25 Longitude : East = positive, West = negative ± 180 deg,
181 deg = NA
1/1000 minute Signed Int
Latitude 24 Latitude : North = positive, South = negative ± 90 deg,
91 deg = NA
1/1000 minute Signed Int
Current speed 8 In 1/10th of a knot Output Range: 0 to 25.4 knots 0-253,
254 = ≥254
255 = NA
1/10 kt Unsigned short
Current direct 9 Travelling toward 0 - 359 deg,
511 = NA
1 deg Unsigned Int
Space 16 Reserved bits for future use      
TOTAL BITS 144        
 
・Hydro /Salinity Temp Message
 
PARAMETER BITS DESCRIPTION RANGE RESOLUTION DATA TYPE
Application ID 16 DAC (10 bits) + FI (6 bits); FI = 1      
Spare 2        
Msg ID 6 Msg ID = [ 000101 ] = 5 1-63   Ulnt
Station binary data Max
816
From 1 to 6 "Hydro Salinity Reports"      
Total Num Bits Max
840
=24 + N*144

N;  Total Bits  (Num Req'd Slots)
1;    168 bits       (2 slots)
2;    312 bits       (2 slots)
3;    456 bits       (3 slots)
4;    600 bits       (4 slots)
5;    744 bits       (4 slots)
6;    888 bits       (5 slots)
     
 
・Hydro /Salinity Temp Report
 
PARAMETER BITS DESCRIPTION RANGE RESOLUTION DATA TYPE
Timestamp 20 Timestamp: MMDDhhmm (4,5,5,6 bits)
(UTC time)
1-12 Month
1-31 Day
0-23 hour
0-59 min
1 minute Unsigned Int
Station id 42 Alphanumeric string (7 6-bit chars)     String
Longitude 25 Longitude : East = positive, West = negative ± 180 deg,
181 deg = NA
1/1000 minute Signed Int
Latitude 24 Latitude : North = positive, South = negative ± 90 deg,
91 deg = NA
1/1000 minute Signed Int
Salinity 10 in Practical Salinity Units (PSU) *10
Output Range: 0 to 102.2 PSU
0 - 1022,
1023 = NA
0.1 PSU Ulnt
Water Temp 10 In 1/10th of a degree Celsius
Range = -51.1 to +51.1 deg C
-511 to +511
-511 = ≤-511,
+511 = ≥+511,
-512 = NA
0.1 deg C Signed Int
Space 13 Reserved bits for future use      
TOTAL BITS 144        
 
・Vessel Procession Order Message
 
PARAMETER BITS DESCRIPTION RANGE RESOLUTION DATA TYPE
Application ID 16 DAC (10 bits) + FI (6 bits)      
Reserved 2 Reserved bits for future use      
Msg ID 6 Msg ID = [ 000011 ] = 3 1-63   Ulnt
Timestamp 20 Timestamp: MMDDhhmm (4,5,5,6, bits) (UTC time) 1-12 Month; 0=NA
1-31 Day; 0=NA
0-23 hour; 24=NA
0-59 min; 60=NA
1 minute Unsigned Int
Direction Id 96 Alphanumeric string (16 6-bits chars)     String
Longitude 25 Longitude : East = positive, West = negative ±180 deg,
181 deg = NA
1/1000 minute Signed Int
Latitude 24 Latitude : North = positive, South = negative ±90 deg,
91 deg = NA
1/1000 minute Signed Int
Reserved 3 Reserved bits for future use      
Binary data Max From 1 to 4 "Vessel order Reports"      
Total Num Bits Max =192 + N*184

N;  Total Bits  (Num Req'd Slots)
1;    376 bits       (3 slots)
2;    560 bits       (4 slots)
3;    744 bits       (4 slots)
4;    928 bits       (5 slots)
     
 
・Vessel Procession Order Report
 
PARAMETER BITS DESCRIPTION RANGE RESOLUTION DATA TYPE
Order 5 Vessel's procession order in list ("1" being the first vessel to proceed) 1-31   Ulnt
Vessel Name 90 15 6-bit chars     string
Position Name 72 vessel position at time of last call-in (12 6-bit chars)     string
Time 11 time of call-in associated with position "Position Name" : hhmm (5,6 bits)
(UTC time)
0-23 hour
0-59 min
1 minute Unsigned Int
Reserved 6 Reserved bits for future use      
TOTAL BITS 184        
 







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更新日: 2019年8月10日

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