The international distress frequency for radio telephone is

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Prepare for the NTC Restricted Radiotelephone Operator’s Certificate (RROC) - Aircraft Test. Study with flashcards and multiple-choice questions, each with hints and explanations. Ensure success on your examination!

Multiple Choice

The international distress frequency for radio telephone is

Explanation:
The standard international distress frequency for radiotelephony is the 2182 kHz channel in the marine MF band. This frequency is designated worldwide for voice distress and safety communications, so ships and coast stations monitor it continually and will respond to Mayday calls. Its HF character allows long-range contact across oceans, which is essential when far from land or on routes where VHF isn’t available. The other options correspond to different uses or services (such as aviation emergency guard on a different band) and are not the designated international distress channel for maritime radiotelephony. So the correct idea to remember is that 2182 kHz is the globally designated distress and calling frequency for radio telephone.

The standard international distress frequency for radiotelephony is the 2182 kHz channel in the marine MF band. This frequency is designated worldwide for voice distress and safety communications, so ships and coast stations monitor it continually and will respond to Mayday calls. Its HF character allows long-range contact across oceans, which is essential when far from land or on routes where VHF isn’t available. The other options correspond to different uses or services (such as aviation emergency guard on a different band) and are not the designated international distress channel for maritime radiotelephony. So the correct idea to remember is that 2182 kHz is the globally designated distress and calling frequency for radio telephone.

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