What action should you take after sending a false Distress alert on VHF?

(A). Make a voice announcement to cancel the alert on Ch-16.

§ 80.335 Procedures for canceling false distress alerts.
47 CFR 80.335(a) VHF Digital Selective Calling.
(1) Reset the equipment immediately;
(2) Immediately cancel the distress alert orally over the telephony distress traffic channel associated with each DSC channel on which the distress alert was transmitted;
(3) Set to Channel 16; and
(4) Transmit a broadcast message to “All stations” giving the ship's name, call sign or registration number, and MMSI, and cancel the false distress alert.

See Code of Federal Regulations for more details on § 80.335 Procedures for canceling false distress alerts.

§ 80.1114 False distress alerts. A distress alert is false if it was transmitted without any indication that a mobile unit or person was in distress and required immediate assistance. Transmitting a false distress alert is prohibited and may be subject to the provisions of part 1, subpart A of this chapter if that alert:
(a) Was transmitted intentionally;
(b) Was not cancelled in accordance with § 80.335;
(c) Could not be verified as a result of either the ship's failure to keep watch on appropriate frequencies in accordance with § 80.1123 or subpart G of this part, or its failure to respond to calls from the U.S. Coast Guard;
(d) Was repeated; or
(e) Was transmitted using a false identity.

See Code of Federal Regulations on § 80.334 False distress alerts.

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What action should you take after sending a false Distress alert on MF?

(B). Make a voice announcement to cancel the alert on 2182.0 kHz.

§ 80.335 Procedures for canceling false distress alerts.
If a distress alert is inadvertently transmitted, the following steps shall be taken to cancel the distress alert.

47 CFR 80.335(b) MF Digital Selective Calling.
(1) Reset the equipment immediately;
(2) Immediately cancel the distress alert orally over the telephony distress traffic channel associated with each DSC channel on which the distress alert was transmitted; and
(3) Tune for radiotelephony transmission on 2182 kHz; and
(4) Transmit a broadcast message to “All stations” giving the ship's name, call sign or registration number, and MMSI, and cancel the false distress alert.

See Code of Federal Regulations for § 80.335 Procedures for canceling false distress alerts.

§ 80.1114 False distress alerts. A distress alert is false if it was transmitted without any indication that a mobile unit or person was in distress and required immediate assistance. Transmitting a false distress alert is prohibited and may be subject to the provisions of part 1, subpart A of this chapter if that alert:
(a) Was transmitted intentionally;
(b) Was not cancelled in accordance with § 80.335;
(c) Could not be verified as a result of either the ship's failure to keep watch on appropriate frequencies in accordance with § 80.1123 or subpart G of this part, or its failure to respond to calls from the U.S. Coast Guard;
(d) Was repeated; or
(e) Was transmitted using a false identity.

See Code of Federal Regulations on § 80.334 False distress alerts.

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What action should you take after sending a false Distress alert on MF?

(C). Make a voice announcement to cancel the alert on 2182.0 kHz.

§ 80.335 Procedures for canceling false distress alerts.
If a distress alert is inadvertently transmitted, the following steps shall be taken to cancel the distress alert.

47 CFR 80.335(b) MF Digital Selective Calling.
(1) Reset the equipment immediately;
(2) Immediately cancel the distress alert orally over the telephony distress traffic channel associated with each DSC channel on which the distress alert was transmitted; and
(3) Tune for radiotelephony transmission on 2182 kHz; and
(4) Transmit a broadcast message to “All stations” giving the ship's name, call sign or registration number, and MMSI, and cancel the false distress alert.

See Code of Federal Regulations for § 80.335 Procedures for canceling false distress alerts.

§ 80.1114 False distress alerts. A distress alert is false if it was transmitted without any indication that a mobile unit or person was in distress and required immediate assistance. Transmitting a false distress alert is prohibited and may be subject to the provisions of part 1, subpart A of this chapter if that alert:
(a) Was transmitted intentionally;
(b) Was not cancelled in accordance with § 80.335;
(c) Could not be verified as a result of either the ship's failure to keep watch on appropriate frequencies in accordance with § 80.1123 or subpart G of this part, or its failure to respond to calls from the U.S. Coast Guard;
(d) Was repeated; or
(e) Was transmitted using a false identity.

See Code of Federal Regulations on § 80.334 False distress alerts.

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What action should you take after sending a false Distress alert on 8 MHz?

(D). Make an "ALL STATIONS" call on 8291.0 kHz canceling the alert.

§ 80.335 Procedures for canceling false distress alerts.
47 CFR 80.335(c) HF Digital Selective Calling;
(1) Reset the equipment immediately;
(2) Immediately cancel the distress alert orally over the telephony distress traffic channel associated with each DSC channel on which the distress alert was transmitted;
(3) Tune for radiotelephony on the distress and safety frequency in each band in which a false distress alert was transmitted; and
(4) Transmit a broadcast message to “All stations” giving the ship's name, call sign or registration number, and MMSI, and cancel the false distress alert frequency in each band in which a false distress alert was transmitted.

See Code of Federal Regulations for § 80.335 Procedures for canceling false distress alerts.

§ 80.1114 False distress alerts. A distress alert is false if it was transmitted without any indication that a mobile unit or person was in distress and required immediate assistance. Transmitting a false distress alert is prohibited and may be subject to the provisions of part 1, subpart A of this chapter if that alert:
(a) Was transmitted intentionally;
(b) Was not cancelled in accordance with § 80.335;
(c) Could not be verified as a result of either the ship's failure to keep watch on appropriate frequencies in accordance with § 80.1123 or subpart G of this part, or its failure to respond to calls from the U.S. Coast Guard;
(d) Was repeated; or
(e) Was transmitted using a false identity.

See Code of Federal Regulations on § 80.334 False distress alerts.

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What action should you take after sending a false Distress alert on 12577.0 kHz?

(A). Make an "ALL STATIONS" call on the associated 12 MHz J3E frequency canceling the alert.

§ 80.335 Procedures for canceling false distress alerts.
47 CFR 80.335(c) HF Digital Selective Calling;
(1) Reset the equipment immediately;
(2) Immediately cancel the distress alert orally over the telephony distress traffic channel associated with each DSC channel on which the distress alert was transmitted;
(3) Tune for radiotelephony on the distress and safety frequency in each band in which a false distress alert was transmitted; and
(4) Transmit a broadcast message to “All stations” giving the ship's name, call sign or registration number, and MMSI, and cancel the false distress alert frequency in each band in which a false distress alert was transmitted.

See Code of Federal Regulations for § 80.335 Procedures for canceling false distress alerts.

§ 80.1114 False distress alerts. A distress alert is false if it was transmitted without any indication that a mobile unit or person was in distress and required immediate assistance. Transmitting a false distress alert is prohibited and may be subject to the provisions of part 1, subpart A of this chapter if that alert:
(a) Was transmitted intentionally;
(b) Was not cancelled in accordance with § 80.335;
(c) Could not be verified as a result of either the ship's failure to keep watch on appropriate frequencies in accordance with § 80.1123 or subpart G of this part, or its failure to respond to calls from the U.S. Coast Guard;
(d) Was repeated; or
(e) Was transmitted using a false identity.

See Code of Federal Regulations on § 80.334 False distress alerts.

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What action should you take after sending a false or accidental Distress alert on Inmarsat-C?

(B). Select "Transmit" or "SEND/REC" menu and send a cancellation message via the LES used for the Distress alert.

§ 80.335 Procedures for canceling false distress alerts.
47 CFR 80.335(d) INMARSAT ship earth station.

• Immediately notify the appropriate rescue coordination center that the alert is cancelled by sending a distress priority message by way of the same land earth station through which the false distress alert was sent.

• Provide ship name, call sign or registration number, and INMARSAT identity with the cancelled alert message.
  

See Code of Federal Regulations for § 80.335 Procedures for canceling false distress alerts.

For more details on LES in Inmarsat, please see How to set your LES (Land Earth Station) and send emails for Inmarsat C Terminals

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