OBS Communication & Documentation 5

Question 1

What is the maximum power output allowed when communicating with a vessel less than 1 mile away using a VHF marine radio?

Accepted Answer

1 watt

Answer

FCC regulations require VHF marine radios to be operated at the lowest power necessary; for short-range communications, 1 watt is typically sufficient and required.

Question 2

When operating a VHF marine radio in US waters, what license is required for recreational boaters?

Accepted Answer

No license is required for domestic-only recreational use

Answer

Recreational boaters operating only in US waters on a US-flagged vessel do not need an FCC license, but one is required for international travel.

Question 3

Which sound signal indicates that a vessel operating in restricted visibility is not under command or is restricted in its ability to maneuver?

Accepted Answer

One prolonged and two short blasts every 2 minutes

Answer

One prolonged blast followed by two short blasts every 2 minutes is the fog signal for a vessel not under command, restricted in maneuverability, or constrained by draft.

Question 4

A boater witnesses another vessel in distress but their own radio is inoperative. What is the best alternative method to signal for help on their behalf?

Accepted Answer

Use a cell phone to call 911 or the Coast Guard on their local number

Answer

Calling 911 or the Coast Guard directly via cell phone is the fastest way to report another vessel in distress when a VHF radio is unavailable.

Question 5

What is the purpose of a NOAA weather radio and on which VHF channels are weather broadcasts found?

Accepted Answer

Continuous weather forecasts and marine warnings on Channels WX1-WX9

Answer

NOAA Weather Radio broadcasts continuous marine weather forecasts, warnings, and advisories on dedicated WX channels (WX1 through WX9).

(OBS) Online Boating Safety Certification Practice Test

(OBS) Online Boating Safety Certification Practice Test

OBS Communication & Documentation 5