U.S. Coast Guard Auxiliary Fort Myers Beach

Welcome to Southwest Florida!

Are you a TOP GUN in NavRules?
You think you're ready for the NavRules test?
Take the NavRules Challenge and find out!!


WALL OF FAME:
Top scores:
NameQuestionsCorrectScore
joe 10660%
ernie 201890%
Tim 201785%
Craig 201575%
Robert 201575%

1. BOTH INTERNATIONAL & INLAND Which vessel must exhibit three white masthead lights in a vertical line?

Any vessel towing astern
A vessel whose tow exceeds 200 meters astern
A vessel not under command, at anchor
A vessel being towed

2. BOTH INTERNATIONAL & INLAND The Rules state that certain factors are to be taken into account when determining safe speed. One of the factors is the __________.

radio communications that are available
maximum speed of your vessel
temperature
current

3. INLAND ONLY Vessels engaged in fishing may show the additional signals described in Annex II to the Rules when they are __________.

trolling
fishing in a traffic separation zone
in a narrow channel
in close proximity to other vessels engaged in fishing

4. BOTH INTERNATIONAL & INLAND A vessel transferring cargo while underway is classified by the Rules as a vessel __________.

restricted in her ability to maneuver
in special circumstances
not under command
constrained by her draft

5. INLAND ONLY What is the whistle signal used to indicate a power-driven vessel leaving a dock?

One short blast
Three short blasts
One prolonged blast
Three prolonged blasts

6. BOTH INTERNATIONAL & INLAND While underway in fog, you hear a signal of one prolonged blast followed by three short blasts. This is the fog signal for a vessel __________.

towing
being towed (manned)
under sail
at anchor

7. BOTH INTERNATIONAL & INLAND Barges being towed at night __________.

must be lighted at all times
must be lighted only if manned
must be lighted only if towed astern
need not be lighted

8. INLAND ONLY You are overtaking a power-driven vessel in a narrow channel and wish to leave her on your starboard side. You may __________.

proceed to overtake her without sounding whistle signals
attempt to contact her on the radiotelephone to arrange for the passage
sound four short blasts
Any of the above

9. INLAND ONLY Your tug is pushing a barge ahead at night. What light(s) should show aft on your vessel?

The light(s) in Diagram 60.
The light(s) in Diagram 75.
The light(s) in Diagram 46.
The light(s) in Diagram 70.

10. BOTH INTERNATIONAL & INLAND A vessel being towed astern shall show at night __________.

the lights required for a power-driven vessel underway
only the required masthead lights
a sternlight only
sidelights and a sternlight