The purpose of the Passenger and Crew Count message is for a ship to report the number of persons on board separated into passengers and crew, e.g., upon request by a competent authority.
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|Parameter||# of Bits||Description|
|Standard Message Header||Message ID||6||Identifier for Message 6; Set to 6 addressed, acknowledgement needed.|
|Repeat Indicator||2||Used by the repeater to indicate how many times a message has been repeated. (See ITU-R M.1371-3, Annex 2, § 4.6.1). 0-3; 0 = default; 3 = do not repeat any more. Set to 0 (default).|
|Source MMSI||30||MMSI number of source station. Varies according to the transmitter ID.|
|Sequence number||2||0 – 3; refer to ITU-R M.1371-3, Annex 2, § 5.3.1.|
|Destination MMSI||30||MMSI number of destination station.|
|Retransmit Flag||1||Retransmit Flag. 0 = no retransmission = default; 1 = retransmitted.|
|Spare||1||Not used. Set to zero.|
|Binary Data||Designated Area Code||10||Designated area code (DAC). (See Rec. ITU-R M.1371-3 § 2.1, Annex 5). Set to 367 (US).|
|Function Identifier||6||Function identifier. Set to 16.|
|Application Data||Message Version||6||Sequential number used to indicate the message version in steps of 1. Range from 1 to 63. Value of 0 means test message. Set to 1.|
|Message Linkage ID||10||A source specific running number, unique across all binary messages equipped with Message Linkage ID. Used to link additional information to the message by a Text Description message. The Message Linkage ID and the first six digits of the source MMSI uniquely identify the sent message.
1 – 1,023; 0 = not available = default.
|Timestamp for currency of POB data||UTC day||5||UTC day of the POB data currency.
1 – 31; 0 = UTC day not available = default.
|UTC hour||5||UTC hour of the POB data currency.
0 – 23; 24 = UTC hour not available = default;
|UTC minute||6||UTC minute of the POB data currency.
0 – 59; 60 = UTC minute not available = default;
|Total crew members||13||Number of persons on board other than passengers:
0 = not available or unknown= default; 1 – 8,191 crew; 8,192 = >8,192 crew.
|Total passengers||15||Total number of passengers onboard:
0 = not available or unknown= default; 1 – 32,767; 32,768 = >32,768 passengers.
|4||This parameter provides additional information about the vessel type.
0 = Unknown or not in list= default; 1 = Ferry vessel (people and vehicles);
2 = Ferry vessel (people only); 3 = Cruise ship; 4 = Excursion vessel;
5-15 = Reserved for future use.
|Total bits||152||1 Slot Binary Message|