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. INLAND ONLY A vessel overtaking another in a narrow channel, and wishing to pass on the other vessel's port side, would sound a whistle signal of __________.

one short blast
two short blasts
two prolonged blasts followed by one short blast
two prolonged blasts followed by two short blasts

2. BOTH INTERNATIONAL & INLAND Which statement is TRUE of a 30-meter sailing vessel underway?

She must show sidelights and a sternlight in restricted visibility.
She may show an all-round white light at the top of the mast.
She need not show a sternlight if she is showing all-round lights on the mast.
If she is using propelling machinery, she shall show forward a shape consisting of two cones, apexes together.

3. INLAND ONLY Which of the following signals may be exhibited by a vessel trawling in close proximity to other fishing vessels?

Two white lights in a vertical line
A red light over a white light in a vertical line
Two fixed yellow lights in a vertical line
All of the above

4. INLAND ONLY A partially submerged object towed by a vessel must show during the day one __________.

diamond shape regardless of length of the tow
diamond shape only when the length of the tow exceeds 200 meters in length
black ball
black ball only when the length of the tow exceeds 200 meters in length

5. BOTH INTERNATIONAL & INLAND You are the stand-on vessel in a crossing situation. If you think the give-way vessel is NOT taking sufficient action to avoid collision, you should sound __________.

one short blast and maintain course
five short and rapid blasts
no signal and maneuver at will
two short blasts, alter to port, and pass astern

6. INLAND ONLY A towing vessel pushing ahead on the Western Rivers above the Huey P. Long bridge must show __________.

sidelights only
sidelights and towing lights
sidelights, towing lights, and two masthead lights
sidelights, towing lights, and three masthead lights

7. INLAND ONLY Which is TRUE of a power-driven vessel, bound downstream, when meeting an upbound vessel on the Western Rivers?

She has the right-of-way.
She shall propose the manner of passage.
She shall initiate maneuvering signals.
All of the above

8. BOTH INTERNATIONAL & INLAND In determining "safe speed", all of the following must be taken into account EXCEPT the __________.

maximum horsepower of your vessel
presence of background lights at night
draft of your vessel
maneuverability of your vessel

9. BOTH INTERNATIONAL & INLAND A "flashing light", by the definition given in the rules, is a light that __________.

is red in color
is visible over an arc of the horizon of 360°
flashes at regular intervals at a frequency of 120 flashes or more per minute
All of the above

10. INTERNATIONAL ONLY Which vessel shall avoid impeding the safe passage of a vessel constrained by her draft?

A vessel not under command
A fishing vessel
A vessel restricted in her ability to maneuver
All of the above