S.L. 399.40 · sl/399.40 (S.L. 399.40)
S.L. 399.40 чл. 10Distress and safety-related communications ship Public Two corres- pondence x x x x x x x x x x x x x x x x x x x x x x x x x x distress, safety and AND CALLING 78 1078 2078 19 1019 2019 79 1079 2079 20 1020 2020 80 y), 21 y), 81 y), 22 y), 82 y), 23 y), 83 y), 24 w), 1024 2024 84 w), 1084 2084 25 w
(1) A person shall ensure that the VHF maritime apparatus is used minimally to reduce frequency occupancy:
Provided that in using the said apparatus the person shall ensure that priority is at all times given to distress and safety related communications.
(2) In order to facilitate the reception of distress calls and traffic, all transmissions on 156.800 MHz (channel 16) shall be kept to a minimum and shall not exceed one minute.
(3) Before transmitting on the frequency 156.800 MHz (channel 16) a person shall listen on this frequency for a reasonable time to make sure that no distress traffic is being sent.
(4) All persons shall accept, with absolute priority and in all instances, distress calls and messages regardless of their origin, and shall reply in the same manner to such messages immediately taking such action in regard thereto as may be required. Transmitting Portoperationsand frequencies (MHz) movement Channel Specific Inter-From From Single designator provisions ship ship coast frequency frequency stations stations 60 156.025 160.625 x 01 156.050 160.650 x 61 156.075 160.675 x 02 156.100 160.700 x 62 156.125 160.725 x 03 156.150 160.750 x 63 156.175 160.775 x 04 156.200 160.800 x 64 156.225 160.825 x 05 156.250 160.850 x 65 156.275 160.875 x 06 f) 156.300 x 2006 r) 160.900 160.900 66 156.325 160.925 x 07 156.350 160.950 x 67 h) 156.375 156.375 x x 08 156.400 x 68 156.425 156.425 x 09 i) 156.450 156.450 x x 69 156.475 156.475 x x 10 h), q) 156.500 156.500 x x 70 Digital selective calling for f), j) 156.525 156.525 calling 11 q) 156.550 156.550 x 71 156.575 156.575 x 12 156.600 156.600 x 72 i) 156.625 x 13 k) 156.650 156.650 x x 73 h), i) 156.675 156.675 x x 14 156.700 156.700 x 74 156.725 156.725 x 15 g) 156.750 156.750 x x 75 n), s) 156.775 156.775 x 16 f) 156.800 156.800 DISTRESS, SAFETY 76 n), s) 156.825 156.825 x 156.925 161.525 x x x 156.925 156.925 x mm) 161.525 x 156.950 161.550 x x x 156.950 156.950 x mm) 161.550 x 156.975 161.575 x x x 156.975 156.975 x mm) 161.575 x 157.000 161.600 x x x 157.000 157.000 x mm) 161.600 x wa) 157.025 161.625 x x x wa) 157.050 161.650 x x x wa) 157.075 161.675 x x x wa) 157.100 161.700 x x x wa) 157.125 161.725 x x x wa) 157.150 161.750 x x x wa) 157.175 161.775 x x x xx) 157.200 161.800 x x x x x w) 157.200 157.200 (digital (digital only) only) x x w) 161.800 161.800 (digital (digital only) only) xx) 157.225 161.825 x x x x x w) 157.225 157.225 (digital (digital only) only) x x w) 161.825 161.825 (digital (digital only) only) xx) 157.250 161.850 x x x x x w) 157.250 157.250 (digital (digital only) only) x x w) 161.850 161.850 (digital (digital only) only) xx) 157.275 161.875 x x x 2085 w) 161.875 161.875 (digital (digital only) only) 26 w) 157.300 161.900 x 1026 w) 157.300 2026 w) 161.900 86 w) 157.325 161.925 x 1086 w) 157.325 2086 w) 161.925 1027 zz) 157.350 157.350 x ASM 1 z) 161.950 161.950 87 zz) 157.375 157.375 x 1028 zz) 157.400 157.400 x ASM 2 z) 162.000 162.000 88 zz) 157.425 157.425 x AIS 1 f), l), p) 161.975 161.975 AIS 2 f), l), p) 162.025 162.025
Specific provisions:
f) The frequencies 156.300 MHz (channel 06), 156.525 MHz (channel 70), 156.800 MHz (channel 16), 161.975 MHz (AIS 1) and 162.025 MHz (AIS 2) may also be used by aircraft stations for the purpose of search and rescue operations and other safety-related communication. The frequencies 156.525 MHz (channel 70), 161.975 MHz (AIS 1) and 162.025 MHz (AIS 2) may also be used by autonomous maritime radio devices Group A that enhance the safety of navigation, using digital selective calling and/or AIS technology. Such use should be in accordance with these regulations.
g) Channels 15 and 17 may also be used for on board communications in territorial waters, provided the effective radiated power does not exceed 1 W.
h) If so required, channels 10, 67 and 73 may also be used for communication between ship stations, aircraft stations and participating land stations engaged in coordinated search and rescue and anti-pollution operations in local areas under the applicable provisions of the Radio Regulations.
i) Channel 09 (156.450 MHz), channel 72 (156.625 MHz) and channel 73 (156.675 MHz) are the preferred channels which may be designated by the Authority for specific inter-ship, port operations and ship movement for use by light aircraft and helicopters to communicate with ships or participating coast stations in calling for distress, safety and calling.
k) Channel 13 is designated for use on a worldwide basis as a navigation safety communication channel, primarily for intership navigation safety communications.
l) Channels AIS 1 and AIS 2 are used for an automatic identification system (AIS) capable of providing worldwide operation.
mm) Transmission on these channels is limited to coast stations. All precautions should be taken to avoid harmful interference to channels AIS 1, AIS 2, ASM 1 and ASM 2.
n) With the exception of AIS, the use of channels 75 and 76 should be restricted to navigation-related communications only and all precautions should be taken to avoid harmful interference to channel 16, by limiting the output power to 1 W.
p) Channels AIS 1 and AIS 2 may be used by the mobile-satellite service (Earth-to-space) for the reception of AIS transmissions from ships.
q) When using channels 10 and 11, all precautions should be taken to avoid harmful interference to channel 70.
r) The frequency 160.900 MHz (channel 2006) is designated for autonomous maritime radio devices Group B that do not enhance the safety of navigation, using AIS technology in accordance with these regulations.
s) Channels 75 and 76 are also allocated to the mobile-satellite service (Earth-to-space) for the reception of long-range AIS broadcast messages from ships (Message 27).
w) The frequency bands 157.1875-157.3375 MHz and 161.7875-161.9375 MHz (corresponding to channels: 24, 84, 25, 85, 26, 86, 1024, 1084, 1025, 1085, 1026, 1086, 2024, 2084, 2025, 2085, 2026 and 2086) are identified for the utilization of the VHF Data Exchange System (VDES). The VDES terrestrial and satellite components are described in the most recent version of Recommendation ITU-R M.2092. These channels shall not be used for feeder links. The channels may be merged using multiple 25 kHz contiguous channels to form channel bandwidths of 50 kHz, 100 kHz or 150 kHz. The channel usage is shown below:
- The channels 1024, 1084, 1025 and 1085 are identified for ship-to-shore, shore-to-ship and ship-to-ship communications, but - The channels 2024, 2084, 2025 and 2085 are identified for shore-to-ship and ship-to-ship communications, but ship-to-satellite and satellite-to-ship communications may be possible without imposing constraints on shore-to-ship and ship-to-ship communications.
- The channels 1026, 1086, 2026 and 2086 are identified for ship-to-satellite and satellite-to-ship communications and are not used by the terrestrial component of VDES.
- The channels 24, 84, 25 and 85 are identified for ship-to-shore and shore-to-ship communications.
The Earth-to-space component of the VDES shall not cause any harmful interference to, nor claim protection from, nor restrict future development of, terrestrial systems operating in the same frequency bands.
Until 1 January 2030, the channels 24, 84, 25, 85, 26 and 86 may also be used for analogue modulation described in the most recent version of Recommendation ITU-R M.1084 subject to not causing harmful interference to, or claiming protection from other stations in the maritime mobile service using digitally modulated emissions.
wa) The frequency bands 157.0125-157.1125 MHz and 161.6125-161.7125 MHz (corresponding to channels: 80, 21, 81 and 22) are identified for utilization of the digital systems described in the most recent version of Recommendation ITU-R M.1842 using multiple 25 kHz contiguous channels.
The frequency bands 157.1375-157.1875 MHz and 161.7375-161.7875 MHz (corresponding to channels: 23 and 83) are identified for utilization of the digital systems described in the most recent version of Recommendation ITU-R M.1842 using two 25 kHz contiguous channels. The frequencies 157.125 MHz and 161.725 MHz (corresponding to channel 82) are identified for the utilization of the digital systems described in the most recent version of Recommendation ITU-R M.1842.
The frequency bands 157.0125-157.1875 MHz and 161.6125-161.7875 MHz (corresponding to channels: 80, 21, 81, 22, 82, 23 and 83) can also be used for analogue modulation described in the most recent version of Recommendation ITU-R M.1084, subject to not claiming protection from other stations in the maritime mobile service using digitally modulated emissions and subject to co-ordination with any affected administrations. of Recommendation ITU-R M.2092.
y) These channels shall not be operated as single frequency channels.
z) Channels ASM 1 and ASM 2 are used for application specific messages (ASM) as described in the most recent version of Recommendation ITU-R M.2092.
zz) Channels 1027, 1028, 87 and 88 are used as single-frequency analogue channels for port operation and ship movement.