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Blue Force- AIS


Blue Force (BF) is a common term for own units or friendly forces. The AIS 300BF is an enhanced version of the type approved AIS 300 class A mobile station, which also offers secure communication in addition to standard AIS functionality. In secure mode the AIS 300BF will still be able to detect all AIS mobile stations in its coverage area but it will not reveal its own position to any other than friendly forces.

The AIS 300BF is the 3rd generation secure AIS mobile stations from Kongsberg and is designed for integration with other navigation equipment such as ECDIS and radar. An improved receiver sensitivity of -115 dBm gives an increased range compared to units with the standard sensitivity of -107 dBm.

Operational modes The AIS 300BF has three different modes:

 1. Standard AIS class A mode

 2. Receive only mode

 3. Secure mode (encrypted)

In mode 1, the AIS unit will act as a standard AIS class A mobile station. In mode 2, the unit will only listen without any transmissions. In mode 3, it will encrypt transmitted AIS data, making the navigation data available for other Blue Force units only. In order to separate military AIS traffic from standard AIS traffic on the standard channel A and B frequencies, the military traffic can be accomplished on a configurable 3rd channel.


Three different modes

• Enhanced sensitivity

• Reception of all types of internationally approved AIS messages including, but not restricted to, class A mobile, class B mobile, AtoN          and AIS base station

• Three separate AIS channels

• Static data, dynamic data, voyage related data

• Safety related messaging

• Easy integration via network or serial interfaces

• Transmission of message 27 on SAT AIS frequency

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