Subelement B: Communications Procedures— Topic 8: Operating Procedures-1
Question 1-8B4
Element 1 (MROP)What is required of a ship station which has established initial contact with another station on 2182 kHz or Ch-16?
Explanation
2182 kHz and Channel 16 (Ch-16) are international distress, urgency, safety, and calling frequencies. Their primary purpose is to establish initial contact between stations and to facilitate distress communications. To ensure these critical channels remain clear and available for emergencies and new calls, stations are required by regulation to change to an authorized working frequency as soon as initial contact is established and communication is confirmed. This keeps the calling channels free for others needing to make contact or declare distress.
Options B, C, and D are incorrect. While stations must continuously monitor for distress calls (related to B) and good operating practice includes minimizing power (C), these are not the immediate regulatory requirement *after* establishing initial contact on these specific calling channels. Option D refers to specific listening silence periods on 2182 kHz for distress monitoring, not a general requirement for all communications after initial contact.
Related Questions
1-8B2 Under what circumstances may a coast station using telephony transmit a general call to a group of vessels?1-8B3 Who determines when a ship station may transmit routine traffic destined for a coast or government station in the maritime mobile service?1-8B5 How does a coast station notify a ship that it has a message for the ship?1-8B6 What is the priority of communications?1-9B1 Under what circumstances may a ship or aircraft station interfere with a public coast station?