1. Over view
The AA-50 MF/HF DSC Watch Receiver receives distress and safety frequencies (max.
6), and are mainly fitted on the vessels which operate in ocean areas A3 and A4.
Note) SOLAS Chapter-4 Regulation 12 (watch)
1. Every ship, while at sea, shall maintain a continuous watch:
.1 on VHF DSC channel 70, if the ship, in accordance with the requirements of
regulation 7.1.2, is fitted with a VHF radio installation;
.2 on the distress and safety DSC frequency 2,187.5kHz, if the ship, in
accordance with the requirements of regulation 9.1.2 or 10.1.3, is fitted with
an MF radio installation;
.3 on the distress and safety DSC frequencies 2,187.5kHz and 8,414.5kHz and
also on at least one of the distress and safety DSC frequencies 4,207.5kHz,
6,321kHz, 12,577kHz or 16,804.5kHz, appropriate to the time of day and
geographical position of the ship, if the ship, in accordance with the
requirements of regulation 10.2.2 or 11.1, is fitted with an MF/HF radio
installation. This watch may be kept by means of a scanning receiver;
.4 for satellite shore to ship distress alerts, if the ship, in accordance with the
requirement of regulation 10.1.1, is fitted with an INMARSAT ship earth
station.
Section C1. AA-50
DSC-5
or
DSC-6
AA-50
FS-xxxx
Receiver
Receiving distress and safety calls
Receiving general calls
Relay turns upward upon receiving
distress and safety calls.
Relay
Receiving
Transmitting
C1-1
K2, 3
To Next Page
Loading...
Need help?
General
