L3 Technologies AISA3 User Manual

ProTec

AUTOMATIC IDENTIFICATION SYSTEM

HARDWARE

INSTALLATION AND OPERATION MANUAL

Rev. 06

AIS PART NUMBER

AISA1000-10 AISA3000-10

P/N: 165M0014-10Mar. 16/11

Aviation Recorders

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AIS Hardware I&O Manual 165M0014-10

EXPORT CONTROL STATEMENT AIS TECHNOLOGY / DA TA:

“This Automatic Identification System (AIS) Products/Technology is being exported from the United States in accordance with the Export Administration Regualtions (ECCN #7E994), No License Required (NLR). Diversion contrary to U.S. law is prohibited. In accordance with U.S. Law (Title 15 CFR Part 746 and Supplement No. 1 to Part 774; and Title 31 CFR) resale/reexport or transfer to certain designated countries is prohibited without the prior written consent of the U.S. Department of Commerce.”

This manual contains date sensitive information. To verify the latest revision level o f this manual, visit our document download site at http://www.L-3ar.net.

Rev. 06

March 16/11

All rights reserved. No part of this manual may be re produced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, or by information storage and retrieval system, without permission in writing.

Inquiries should be addressed to: L-3 Communications Aviation Recorders Publications Vendor Code: 06141 P. O. Box 3041 Sarasota, Florida 34230 Phone: (941) 371–0811 FAX: (941) 377–5591

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FCC Certification

This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmfulinterference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Modifications not expressly approved by the manufacturer could void the user’s authority to operate the equipment under FCC rules.

FCCID for this product is: IB2AISA3

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REVISIONS

Rev. Reason/Description Requested/

Date Changed By

2 Further defines power consumption and TX power specifications DM/MR 7/14/09

3 Adds AISA3000-10 as a model covered by this manual; adds a note

concerning the default value of password requirement (in Section

2.1.4.3; clarifies the title of Section 2.1.4.14; adds Section 2.1.4.17, which describes inversion of the LCD display; adds Section

2.1.4.18, which describes the LCD test screen.

4 Adds description of Display Status Indicator feature on LCD

display (in Section 2.1.3.1); updates all MKD screen shots in Section 2 to reflect current firmware version.

Corrects several typographical errors. SC/MR 11/22/10

6 Adds FCC statement. SS/MR 3/16/11

DM,SC/MR 8/18/10

DM,SC, JS /MR

10/4/10

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GENERAL

This product and related documentation must be reviewed for familiarization with safety markings and instructions before operation.

This board was constructed in an ESD (electro–static discharge) protected environment. This is because most of the semiconductor devices used in this board are susceptible to damage by static discharge.

Depending on the magnitude of the charge, device substrates can be punctured or destroyed by contact or mere proximity of a static charge. The results can cause degradation of device performance, early failure, or immediate destruction.

These charges are generated in numerous ways such as simple contact, separation of materials, and normal motions of persons working with static sensitive devices.

When handling or servicing equipment containing static sensitive devices, adequate precautions must be taken to prevent device damage or destruction.

Only those who are thoroughly familiar with industry accepted techniques for handling static sensitive devices should attempt to service circuitry with these devices.

In all instances, measures must be taken to prevent static charge build–up on work surfaces and persons handling the devices.

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SECTION 1

ProTec

AUTOMATIC IDENTIFICATION SYSTEM (AIS)

INTRODUCTION

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1.1. General

The L-3 ProTec is an Automatic Identification System transponder which is fully compliant to the technical specifications defined by the IMO and outlined in ITU.R.M 1371-1. The transponder employs the latest radio frequency and Self Organized Time Division Multiple Access (SOTDMA) and DSC controller technology to provide a high performance, automated, and reliable identification system for commercial mariners. The Transponder is a fully automated system which ties into ship’s navigational instruments to provide automatic transmission of ships identity, status, and maneuvering intentions via standard marine VHF communication techniques. Sequencing of transmission between all vessels within VHF range is provided through SOTDMA controlling software to handle high traffic volume situations.

The Transponder is a fully automated system. This means that once it is installed and turned on, no maintenance is required to keep it operational. The only time the user needs to perform any function on the transponder is to change the ship’s Vessel/Voyage data as required.

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ProTec AIS Introduction

1.1.1. System Overview

The L-3 ProTec is an Automatic Identification System fully compliant with the IMO specifications defined in IMO MSC.74(69) Annex 3, IEC 61993-2, and ITU.R M.1371-1. This AIS transponder has been developed using technology applied in the design of our VHF DSC Class A radio, a design which has been field tested for over a decade with over 10,000 units operational in the field. With the addition of the SOTDMA controllers, the L-3 ProTec provides a cost-effective AIS solution which will meet the needs of any vessel required to carry AIS. The compact, single-box design allows the L-3 ProTec to be easily incorporated into any bridge layout thus simplifying installation and cabling requirements.

The L-3 ProTec has been designed as maintenance-free unit which makes extensive use of surface mount technology (SMT). The repair of printed wiring assemblies (PWAs) containing SMT components requires specialized factory equipment, training, and techniques, therefore, such PWAs are not field-repairable.

As a result, maintenance philosophy for the L-3 ProTec is replacement of failed assemblies. In the case of the L-3 ProTec, the replaceable assemblies are the Faceplate Assembly (192M0093-00), the Main PWA (205M0023-12), the Channel 70 PWA (205M0003-01), the IEC PWA (205M0274-11), and the Controller PWA (205M0307-00).

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When it has been determined that one or more of these assemblies is faulty, the faulty assembly(ies) should be removed and returned to the Aviation Recorders factory for repair or replacement. Attempts to repair any of these assemblies will void the warranty. Extreme care should be used when handling these assemblies.

For repair service, ship units to:

L-3 Communications, Aviation Recorders 6000 East Fruitville Road Sarasota, FL 34232 USA Attn: Repair Department Tel: (941) 377-5558 Fax #: (941) 377-5585

CAUTION

: THE L-3 ProTec CIRCUIT BOARDS ARE SUSCEPTIBLE TO

1.1.2. References

IMO Resolution MSC.74(69), Annex 3, Recommendation on Performance Standards for an Universal Shipborne Automatic Identification Systems (AIS)

IMO SN/Circ. 227, Guidelines for the INstallation of a Shipborne Automatic Identification System (AIS)

International Telecommunications Union Sector for Radio Communications (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.

ELECTROSTATIC DESTRUCTION (ESD). PRIOR TO HANDLING PWAs, ENSURE PROPER PERSONNEL GROUNDING TECHNIQUES ARE USED. ENSURE THAT CARDS ARE PLACED INTO STATIC SHIELDING CONDUCTIVE BAGS WHEN HANDLING OR STORING.

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IEC 61993-2 Edition1, 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

IEC 60945 Edition 4, Maritime Navigation and Radiocommunication Equipment and Systems - General Requirements - Methods of Testing and Required Test Results.

IALA Recommendation on AIS Shore Stations and Networking Aspects Relating to the AIS Service, Edition 1.0, September 5, 2002.

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IEC 61162-1 Edition 1.0, Maritime Navigation and Radiocommunication Equipment and Systems - Digital Interfaces - Part 100: Single Talker and Multiple Listeners

IEC 61162-2 Edition 1.0, Maritime Navigation and Radiocommunication Equipment and Systems - Digital Interfaces - Part 100: Single Talker and Multiple Listeners, High-Speed Transmissions

1.1.3. Acronyms

ABM Addressed Binary Message ABK Acknowledgement Message ACA AIS Channel Assignment ACK Ackowledgement Message ASPA Automatic Radar Plotting Aid BBM Broadcast Binary Message COG Course Over Ground DGPS Differential Global Positioning System GGA Global Positioning Fix Data GLL Geographic Position, Latitude/Longitude GNSS Global Navigation Satellite System GPS Global Positioning System GSA GPS DOP and Active Satellites GSV GPS Satellites in View HDG Heading, Deviation & Variation HDT Heading, True IEC International Electrotechnical Commission IMO International Maritime Organization LRF Long Range Function LFI Long Range Interrogation MMSI Maritime Mobile Service ID NMEA National Marine Electronics Association RAIM Receiver Autonomous Integrity Monitoring RMC Recommended Minimum Data for GPS ROT Rate of Turn SOG Speed Over Ground SOTDMA Self Organized Time Division Multiple Access SSD Station Static Data TDS Target Display Software TXT Status/Indication Message VBW Dual Ground/Water Speed VDL VHF Data-link Other Vessel Message VDM VHF Data-link Message VDO VHF Data-link Own-vessel Message VSD Voyage Static Data VTG Track Made Good and Ground Speed ZDA Date and Time

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STATUS

ON/OFF/DIM

PILOT

NOTE:

1. Front Panel Mating Connectors Pilot Port - L3 PN: 063-98-02113

TYCO PN: 206485-1

Figure 1--1. AIS Transponder

1.2. Technical Specifications

Standards IMO MSC.74(69) Annex 3, IEC 61993-2 Ed. 1, ITU.R.M.1371-1

Ship reporting capacity

2,250 reports per minute, 4,500 reports per minute on two channels

TDMA Transmitter

TX Frequency: 156.025MHz - 162.025MHz, manual/automatic setting Transmitter Power: 2W, 12.5W manual/automatic selection

TDMA Receiver

RX Frequency: 156.025MHz - 162.025MHz, 2 channels RX1: Default CH87B (161.975MHz), manual/automatic setting RX2: Default CH88B (162.025MHz), manual/automatic setting Channel Spacing: 25kHz and 12.5kHz

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DSC Receiver

RX Frequency: CH70 (156.525MHz)

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Internal GPS Receiver

12 Channel, UTC Synchronization Jitter: 100ms [Time between slot start and transmitter on.]

Navigational data

COG/SOG, ROT, POS, Heading from external sources

Display

Integral MKD with 160 x 64 Dots backlit LCD

INTERFACE

Input ABM,ACA,ACK,AIR,BBM,DTM,GBS,GGA,GLL,GNS,HDT,

OSD, SSD, RMC, ROT, VBW, VSD, VTG

Output ABK, VDO, VDM, ACA, ACS, ALR, LRF, LR1, LR2, LR3, TXT

Power Supply

24Vdc nominal, complies with IEC 60945. Operating voltage: 11.8Vdc to 31.2Vdc. Power consumption: 24Vdc -- 0.8A (19.2W); 12Vdc -- 1.6A (19.2W).

Environment

IEC 60945 Ed. 4 for Protected Environment

Frequency

VHF Marine Band

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1.3. AIS Description

1.3.1. Compact Design

The completely self-contained L-3 ProTec is the most compact AIS unit available on the market today with outside dimensions of 6.5” W (16.5cm.) x 3.4” H (8.6cm.) x

7.4” D (18.8cm.). It is easily mounted on any surface using either a trunion bracket or flush-mount bracket. The data port on the faceplate provides for easy connection to any external display in either mounting configuration.

1.3.2. Integral Minimum Keyboard Display (MKD)

In line with the compact design, the L-3 ProTec is a single-box design incorporating an integral MKD which is fully IMO compliant. The interface includes a 2.58” L (6.5cm) x 1.16” H (2.9cm) (160 x 64Dots) backlit LCD screen for displaying alphanumeric text and a multifunction keypad. The closest three vessels within AIS range will be displayed with each vessel identified by MMSI and ship name and will display both range and bearing to each vessel.

The interface has been designed to facilitate data entry and retrieval with a minimum of keystrokes. It also includes a Pilot port designed to allow any user to quickly and easily attach a portable AIS-compatible display system directly to the AIS transponder for display of the AIS data. This display system can consist of any system which recognizes the NMEA AIS string whether it’s installed on a handheld PC, laptop PC, or dedicated display.

1.3.3. Integral GPS

The L-3 ProTec includes an internal GPS receiver card. The internal GPS provides timing data required for synchronization of transmission. By specifications, ship positional information in NMEA format is to be fed to the transponder from the ships external electronic position indicating system through the supplied data cable. The internal GPS requires a dedicated GPS antenna to be mounted on the superstructure and the appropriate connections are supplied on the transponder unit back panel.

1.3.4. Data Interface

Each transponder will be delivered with an IEC-specified NMEA standard data cable required to interface to ship’s sensors and external display. The description of this interface cable is given in the Installation Section of this manual. The standard kit includes an eight feet (2.9m) cable and a terminal block to facilitate the final linkup to the ship’s navigational instruments.

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1.3.5. Equipment List

The Standard AIS Installation Kit includes the following equipment:

F Transponder Unit

F Flush Mount Kit

F Trunion Mount Kit

F IEC NMEA Data Cable

F Terminal Strips (Qty: 3)

F Power Cable

F Ground Cable

F Installation Manuals

In order to complete the installation, the following items will be required.

F GPS Antenna with coaxial cable

F VHF Antenna with coaxial cable

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F Gyro Interface (if gyro output is not NMEA)

F DGPS Interface (if ship’s dGPS output is not NMEA)

Table 1--1. AIS Parts List for AISA1000-10

Component Part Number

Transponder AISA1000-10

Flush Mount Kit 147M0092-01

Trunion Mount 147M0092-02

IEC Cable 024M0088-00

Terminal Strip 2469800177

Power Cable 024M0086-00

Ground Cable 024M0043-00

#24 Stranded Wire 27698000-94

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Table 1--2. AIS Parts List for AISA3000-10

Component Part Number

Transponder AISA3000-10

Flush Mount Kit 147M0092-01

Trunion Mount 147M0092-02

IEC Cable 024M0088-00

Terminal Strip 2469800177

Power Cable 024M0086-00

Ground Cable 024M0043-00

#24 Stranded Wire 27698000-94

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1.3.6. Operational Modes

The ProTec AIS is designed to operate in each of three modes: Autonomous and Continuous, Assigned and Polled which are defined below.

1.3.6.1 Autonomous and Continuous

This is the default mode. The ProTec AIS will determine its own schedule for transmission of position and identification and will automatically resolve scheduling conflicts with o ther stations using the SOTDMA methodology.

1.3.6.2 Assigned

The ProTec will automatically switch to assigned mode when it is commanded by a competent authority, such as a base or repeater station, to transmit on a specific transmission schedule. In this mode, the ProTec allocates the defined slots and begins transmitting on these slots. It will continue to transmit in these slots with a zero slot time-out and a zero slot offset, until those slots have been removed from the transmission schedule. The assigned slots use the SOTDMA access scheme, with the time-out value set to the assigned slot time-out. The assignment terminates when the slot time-out reaches zero of any assigned slot, and the ProTec returns to autonomous and continuous mode.

1.3.6.3 Polled

The ProTec AIS will transmit a response to DSC interrogation messages from a ship or competent authority and respond back on the same channel without interfering with either of the other two modes. When an automatic response is required, transmitted responses will be made on channel 70 unless the unit is instructed to transmit on another channel. The ProTec is inhibited from transmitting on the AIS 1 and AIS 2 channels. If and when frequency channels other than channel 70 are used for DSC transmissions, the receive capability of TDMA operations should not be impaired more than it would be if all DSC messages were transmitted on channel

70.

1.3.6.4 Initialization

The ProTec AIS will enter into an Initialization mode at Power-Up during which it will monitor the TDMA channels for one minute. During this initialization period, a dynamic directory of all users in the system will be created which includes user IDs, slot assignments, positions, and other transmitted data. After this initialization period of 1 minute, the ProTec will enter the required operational mode and begin transmission of the AIS data on the required schedule.

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1.3.7. DSC Functionality

The Assigned and Polled operational modes are activated through a DSC message transmitted by the competent authority. In order to provide for this, the ProTec AIS contains a dedicated DSC receiver that is tuned to channel 70. DSC messages originating from shore stations of competent authorities will define regional AIS frequencies, regions of coverage, required transmission schedule and/or interrogation request. The ProTec AIS will respond back to such DSC interrogations on the frequency specified in a manner such that it does not interfere with the TDMA transmissions by interleaving the transmission between TDMA transmissions. The DSC response will be made after a random delay of 0 - 20 seconds provided the signaling channel is clear and the TDMA transmissions are not interrupted.

1.3.8. AIS Broadcast Parameters

A Class A AIS unit broadcasts the following information every 2 to 10 seconds while underway, and every three minutes while at anchor at a power level of 12.5W. The information broadcast includes:

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F MMSI number - unique referenceable identification.

F Navigation status

F Speed over ground - 1/10 knot resolution.

F Position accuracy - differential GPS.

F Longitude - to 1/10,000 minute and Latitude - to 1/10,000 minute.

F Course over ground - relative to true north to 1/10th.

F True Heading - 0 to 359 derived from heading sensor.

F Time stamp - The universal time to nearest second that this information

was generated.

In addition, the Class A AIS unit broadcasts the following information every six minutes:

F MMSI number - same unique identification used above, links the data

above to described vessel.

F IMO number - unique referenceable identification (related to ship’s

construction).

F Radio call sign - international call sign assigned to vessel, often used on

voice radio.

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F Name - Name of ship, 20 alphanumeric characters are provided.

F Type of ship/cargo - there is a table of possibilities that are available.

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F Dimensions of ship - to nearest meter.

F Location on ship where reference point for position reports is located.

F Type of position fixing device - various options from differential GPS to un-

defined.

F Draught of ship - 1/10 to 25.5m [note “air-draught” is not provided].

F Destination - 20 alphanumeric characters are provided.

1.3.9. AIS Frequencies

The International Telecommunications Union World Radio Conference in 1997 designated two VHF radio frequencies: 161.975MHz (AIS1, or channel 87B) and

162.025MHz (AIS2, or channel 88B) for AIS. In the US, the first channel is owned by MariTEL, a public coast station operator, and the second by the federal government. The USCG signed a Memorandum of Agreement with MariTEL for use of AIS 1, and has authority from the National Telecommunications and Information Administration to use both AIS1 and AIS 2 US-wide for AIS operation. The USCG has asked the Federal Communications Commission to authorize any US vessel to operate AIS on these two channels under its existing ship station license. The FCC released a Notice authorizing operation of AIS under a ship’s existing station license.

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1.3.10. AIS Input Sentences

This section lists the input sentences received by the L-3 ProTec AIS Transponder. The input sentences are categorized as Pilot, Long Range, and Sensor, which are listed as follows:

Pilot

ABM, BBM, AIR, VSD, SSD, ACK, ACA, AIQ

Long Range

LRI, LRF

Sensor

RMC, VTG, ROT, HDT, GNS, GLL, GGA, GRS, GSA, GST, GSV, ZDA, GBS, DTM, VBW

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1.4. Interface Description

1.4.1. Pilot Systems Input Data and Formats

The input data and formats are shown in Table 1 --3, and the details of the sentences can be found in IEC 61162-1.

Table 1 --3. Pilot System High-Speed Input Data Formats

Data IEC 61162-1 Sentences

Normal Access - Parameter Entry

Static station information

- (Vessel name)

- (Call sign)

- Antenna location

- Length and beam

Voyage Information

- Vessel type and cargo category

- Navigational status

- Draught, max. actual static

- Destination

- ETA date and time

- Regional application flags

SSD - Station Static Data

- (not used, field sets to null by MKD)

- used to set the antenna location for the MKD external GPS only (saved in MKD memory)

Voyage Static Data (VSD)

Long Range Acknowledgement

External manual LR acknowledgement LRF - Long Range Function

Initiate VHF Data Link Broadcasts

Safety messages

Binary messages

Interrogation message AIR - AIS Interrogation Information

Channel Setting

Channel assignment message (set frequency) ACA - AIS Channel Assignment Message

Alarm / indication acknowledgement ACK - Acknowledgement Message

Own Station Settings Queries

Query messages AIQ, ACA - Query AIS Channel Assignment

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ABM - Addressed Binary Message BBM - Broadcast Binary Message

BIIT Input

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1.4.2. Pilot Systems Output Data and Formats

The output data and formats are shown in Table 1--4, and the details of the sentences can be found in IEC 61162-1.

Table 1--4. Pilot System High-Speed Output Data Formats

Data IEC 61162-1 Sentences

Prepared by AIS Transponder

Notification that a session initiated by messages ABM, BBM, ACA, AIR is terminated

AIS Own-ship broadcast data (all transmissions available)

Query response messages

BIIT Results

AIS equipment status

Received from Long Range Equipment

LR Interrogation LRI - Long Range Interrogation

LR Function identification LRF - Long Range Function

Received on VHF Data Link by AIS Transponder

All VDL AIS messages received

- Broadcast or

- Addressed to own station

ABK - Acknowledgement Message

VDO - VHF Data-link Own-vessel Message

ACA - AIS Channel Assignment SSD - Station Static Data VSD - Voyage Static Data

ALR - Alarm Message TXT - Status / Indication Message

VDM - VHF Data Link Message

1.4.3. Pilot Input / Output Port

The Pilot input/output port is a part of the AIS Class A stations. If the installation of the AIS equipment is such that a pilot cannot connect his Personal Pilot Unit (PPU) with a reasonable length of cable, an extension cable must be installed with a connector located on the bridge such that the PPU can be connected on the normal working position of the port.

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The Pilot input/output port defined by IEC 61193-2 for connections of ship’s pilot equipment shall, if fitted, be connected using the pilot port cable, p/n: 024M0099-03. The Pilot input/output port meets the requirement of IEC 61162-2 and is terminated as shown in Table 1--5.

Table 1--5. Pilot Port Pinout

J1 Pin Name Description Pair Color P2 Pin

1 PILOT_TXA RS4--22 Compliant Output A Blue 2

2 GND Signal/Power 0V Reference Black 5

+8.0V(¦5%) Output Used to Power External

3 +8V

4 PILOT_TXB RS--422 Compliant Output B Black 7

5 PILOT_RXA RS--422 Compliant Input A Green 8

6 PILOT_RXB RS--422 Compliant Input B Black 3

7 TRACE/BOOT_TX

8 RX_SINAD

9 NO CONNECT Not Used

Test Equipment. External Equipment should be Current Limited to 300mA

TTL--Level RS--232 Serial Output (Trace Message/Bootload Output)

TDMA / DSC FM Discriminator Output used to Test Receiver Performance during Special Test Modes.

NOTE: Some early transponders had incorrect Pilot Port wiring.

See factory for more details.

1.4.4. Long Range Equipment Interface

The range of operation of standard AIS is limited to the range of VHF transmissions which is approximately 30 miles. The Long Range mode is intended to allow the exchange of ships position information from ship to a competent authority via a satellite interface such as Inmarsat-C which is already onboard many ships. This port is intended to interface with the Long Range equipment.

The Long Range reply can be set in either:

F automatic mode (AUTO)

F manual mode L-3 ProTec (MANUAL)

F manual mode external application (EXT APPL).

The Long Range reply, when in AUTO mode, is made as soon as a request is received on the Long Range communication port.

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The Officer of the Watch must approve the Long Range reply when in MANUAL mode, by a means of pressing a keyboard button on the L-3 ProTec before the reply is performed.

The Long Range reply, when in EXT APPL mode, is made by the L-3 ProTec upon reception of confirmation / acknowledgement from the external application via the high-speed ports. The external application acknowledges the interrogation by returning the LRF sentence (updated with reply information).

1.4.5. Long Range Input Data and Formats

The input data and formats are in the form of two Long Range interrogation sentences, LRI and LRF, refer to Table 1--6.

F The LRI -sentence contains the information needed to determine if a reply

needs to be constructed.

F The LRF-sentence identifies the information items that are being re-

quested. Details of each sentence can be found in IEC 61162-1.

Table 1 --6. Long Range Input Data and Formats

Data IEC 61162-1 Sentences

Long Range Interrogation Type of request:

- Geographic area request

- AIS transponder request

Long Range Function identification Requestor MMSI and Name Request for:

- Ship’s name, call sign and IMO number (A)

- Date and time of message composition (B)

- Position (C)

- Course over ground (E)

- Speed over ground (F)

- Destination and ETA (I)

- Draught (O)

-Ship/Cargo(P)

- Ship’s length, breadth and type (U)

- Number of persons on board (W)

LRI - Long Range Interrogation

LRF - Long Range Function

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1.4.6. Long Range Output Data and Formats

The output data and formats are in the form of four Long Range reply sentences, LRF, LR1, LR2, and LR3, refer to Table 1--7.

F The LRF sentence provides the “Function Reply Status” for the requested

information. Following is a list of “Function Reply Status” characters with the status:

2 = Information available and provided in the following LR1, LR2, and

LR3 sentences.

3 = Information not available from the AIS system.

4 = Information is available but not provided (i.e. restricted access

determined by ship’s master).

F The LR1 sentence identifies the destination for the reply and contains the

information items requested by the “A” function identification character in the LRF sentence.

F The LR2 sentence contains the information items requested by the “B, C,

E, and F” function identification characters in the LRF sentence.

F The LR3 sentence contains the information items requested by the “I, O,

P, U, and W” function identification characters in the LRF sentence.

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Table 1 --7. Long Range Output Data and Formats

Data IEC 61162-1 Sentences

Long Range Function identification Requestor MMSI and Name Request for:

- Ship’s name, call sign and IMO number (A)

- Date and time of message composition (B)

- Position (C)

- Course over ground (E)

- Speed over ground (F)

- Destination and ETA (I)

- Draught (O)

-Ship/Cargo(P)

- Ship’s length, breadth and type (U)

- Number of persons on board (W)

MMSI of Responder MMSI or Requestor Ship’s name Ship’s call sign IMO number

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LRF - Long Range Function

LR1 - Long Range Response, Line 1

MMSI of Responder Date and time of message composition Position Course over ground Speed over ground

MMSI of Responder Destination and ETA Draught Ship / Cargo Ship’s length, breadth and type Number of persons on board

LR2 - Long Range Response, Line 2

LR3 - Long Range Response, Line 3

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Marine Systems

1.4.7. Sensor Input Data and Formats

The L-3 ProTec Shipborne Class A Transponder supports input data sentences from various ship sensors, refer to Table 1 --8.

Table 1 --8. Sensor Input Data and Formats

Sensor Data IEC 61162-1 Sentences

Positions system:

- Time of position

GNSS

- Latitude /Longitude

- Accuracy (and integrity status) Course Over Ground (COG) Speed Over Ground (SOG) RAIM Indicator

DTM, GBS, GGA, GLL, GNS, GRS, GSA, GST,GSV,HDT,RMC,ROT,VBW,VTG, ZDA

Log

Gyro

Course Over Ground (COG) Speed Over Ground (SOG)

Heading Rate of Turn (ROT)

1.5. Data Field Assignments

1.5.1. GPS and Sensor Input Senten ces

1.5.1.1 DTM - Datum Reference

If Local and Reverence Datum codes are not WGS84, then the positions report from that sensor is discarded.

Field Notes

Local Datum Code Check for WGS84 Local Datum Subdivision Code Ignored LAT Offset (2 fields) Ignored LON Offset (2 fields) Ignored Altitude Offset Ignored Reference Datum Code Check for WGS84

VBW

HDT, ROT

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Marine Systems

1.5.1.2 GBS - GNSS Satellite Fault Detection

If this sentence is received from the position source, with Latitude error or Longitude error specified, the RAIM flag will be set to TRUE. If both are Null or 60 seconds goes by without a GBS sentence, RAIM flag goes to False

Field Notes

UTC Time of GGA or GNS Ignored Expected Error in Latitude Check for Null Expected Error in Longitude Check for Null Expected Error in Altitude Ignored ID Number of Most LIkely

Failed Satellite Ignored Probability of MIssed Detection Ignored Estimate of Bias in Meters Ignored Standard Deviation of Bias Estimate Ignored

1.5.1.3 GGA - Global Positioning System Fix Data

Field Notes

UTC of Position UTC Second is used to

indicate Time Stamp Latitude (2 fields) Used Longitude (2 fields) Used GPS Quality Indicator Used Number of Satellites in Use Ignored Horizontal Dilution of Precision (HDOP) Ignored Altitude RE: Main Sea Level (2 fields) Ignored Geoidal Separation (2 fields) Ignored Age of Diff Data Ignored Diff Reference Station Ignored

1.5.1.4 GLL - Geographic Position - Latitude / Longitude

Field Notes

Latitude (2 fields) Used Longitude (2 fields) Used UTC of Position UTC Second is used to

indicate Time Stamp Status Used Mode Indicator Used

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1.5.1.5 GNS - GNSS Fix Data

If the Mode Indicator is a NULL field, the sentence is ignored.

Field Notes

UTC of Position UTC Second is used to

Latitude (2 fields) Used Longitude (2 fields) Used Mode Indicator Used Total Number of Satellites in Use Ignored HDOP Ignored Antenna Altitude Ignored Geoidal Separation Ignored Age of Diff Data Ignored Diff Reference Station ID Ignored

1.5.1.6 HDT - Heading True

Aviation Recorders

Marine Systems

indicate Time Stamp

Message is ignored if Talker is “HC”.

Field Notes

Heading Used if Valid indicator is “T” Valid Indicator Used

1.5.1.7 RMC - Recommended Minimum Specific GNSS Data

Field Notes

UTC of Position Fix UTC Second is used to

indicate Time Stamp Status Must be “A” Latitude (2 fields) Used Longitude (2 fields) Used SOG, knots Used COG, degrees Used Date Ignored Magnetic Variation (2 fields) Ignored Mode Indicator Used

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Marine Systems

1.5.1.8 ROT - Rate of Turn

The rate of turn value is only used if the talker identifier is “TI”. Otherwise the value will only be used to determine if the vessel is “Moving Right” or “Moving Left”.

Field Notes

Rate of Turn Used when status is “A”. If Talker

Status Must be “A”

1.5.1.9 VBW - Dual Ground / Water Speed

The current position source must be external GPS, and heading must be available for the transponder to accept this sentence.

Field Notes

Longitudinal Water Speed Ignored Transverse Water Speed Ignored Status: Water Speed Ignored Longitudinal Ground Speed Used if Status is set to “A” Transverse Ground Speed Used if Status is set to “A“ Status: Ground Speed Used Stern Transverse Water Speed Ignored Status Stern Water Speed Ignored Stern Transverse Ground Speed Ignored Status Stern Ground Speed Ignored

is “TI”, value is converted ascending

to 1371 msg 1, 2, 3 spec. If talker is not

“TI”, value is set to - 127, 0, or + 127,

based on ROT value.

1.5.1.10 VTG - Course Over Ground and Ground Speed

Field Notes

GOG, degrees True (2 fields) Used COG, degrees Magnetic (2 fields) Ignored SOG, knots (2 fields) Used SOG, km/h (2 fields) Ignored Mode Indicator Used

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Marine Systems

1.5.1.11 ZDA - Time and Date

This message is only processed if it is received from the internal GPS (the time synchronization source).

Field Notes

UTC Used Day Used Month Used Year Used Local Zone Hours Ignored Local Zone Minutes Ignored

1.5.2. AIS Specific Input Sentences

1.5.2.1 ABM - Addressed Binary and Safety-Related Message

Field Notes

Total Number of Sentences Used if in interval 1..9,

otherwise the sentence

is ignored. Sentence Number Used if in interval 1..total

sentence, otherwise the

sentence is ignored. Sequential Message Identifier Used if in interval 0..3,

otherwise the sentence

is ignored. MMSI of Destination Used AIS Channel Used Message ID Used if in 6 or 12,

otherwise the sentence

is ignored. Encapsulated Data Used Number of Filled Bits Used

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