For “On-scene” communications, vessels in...

Question 1 / 202fQm05ZvpuxYfeVSUM9T

Question 1 of 202fQm05ZvpuxYfeVSUM9T

For “On-scene” communications, vessels in Distress and SAR Aircraft should use?

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2fQm05ZvpuxYfeVSUM9T

For “On-scene” communications, vessels in Distress and SAR Aircraft should use?

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🔍 Key Concepts

• On-scene communications during SAR (Search and Rescue) operations • Purpose of VHF Channel 16 versus VHF Channel 70 • Meaning of emission designators like J3E, J2B, F1B for voice vs. digital/telex

💭 Think About

• Which VHF channel is used for voice coordination between units once a distress is ongoing and everyone is on scene? • Among J3E, J2B, and F1B, which one is associated with SSB voice (single sideband radiotelephony) rather than digital selective calling or telex? • Why would SAR aircraft and surface units need a common voice frequency rather than a digital-only channel at the scene?

✅ Before You Answer

• Identify which option includes VHF Ch-16 (international distress, safety, and calling voice channel). • Confirm which HF/MF emission designator (J3E vs J2B vs F1B) corresponds to voice radiotelephony. • Verify which HF aeronautical SAR frequency pair (in kHz) is commonly used for on-scene coordination with aircraft.

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Question 1 of 20

For “On-scene” communications, vessels in Distress and SAR Aircraft should use?

VHF Ch-70, 4125 kHz J3E, 5680 kHz J3E

VHF Ch-70, 4125 kHz J2B, 5680 kHz J3E

VHF Ch-16, 4125 kHz F1B, 3023 kHz J3E

VHF Ch-16, 4125 kHz J3E, 3023 kHz J3E

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Question 1 / 202fQm05ZvpuxYfeVSUM9T

Question 1 of 202fQm05ZvpuxYfeVSUM9T

For “On-scene” communications, vessels in Distress and SAR Aircraft should use?

Back

Question 1 of 20

2fQm05ZvpuxYfeVSUM9T

For “On-scene” communications, vessels in Distress and SAR Aircraft should use?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed