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 A vessel 30 meters in length and aground would display a dayshape consisting of __________.

a cylinder
one black ball
two black balls in a vertical line
three black balls in a vertical line

2. BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning seaplanes on the water?

A seaplane must exhibit appropriate lights but need not exhibit shapes.
A seaplane should show the lights for a vessel constrained by her draft.
In situations where a risk of collision exists, a seaplane should always give way.
A seaplane on the water shall, in general, keep well clear of all vessels.

3. BOTH INTERNATIONAL & INLAND Which statement is TRUE, according to the Rules?

A vessel engaged in fishing shall keep out of the way of a sailing vessel.
A vessel not under command shall keep out of the way of a vessel engaged in fishing.
A vessel engaged in fishing while underway shall, so far as possible, keep out of the way of a vessel restricted in her ability to maneuver.
A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver.

4. BOTH INTERNATIONAL & INLAND A vessel at anchor will show a __________.

ball
cone
cylinder
double cone, apexes together

5. BOTH INTERNATIONAL & INLAND A 20-meter vessel is towing another vessel astern. The length of the tow from the stern of the towing vessel to the stern of the tow is 75 meters. How many white towing masthead lights shall the towing vessel show at night?

1
2
3
4

6. BOTH INTERNATIONAL & INLAND A power-driven vessel underway shall keep out of the way of a __________.

vessel not under command
vessel engaged in fishing
sailing vessel
All of the above

7. BOTH INTERNATIONAL & INLAND A power-driven vessel is underway and fishing with trolling lines. This vessel __________.

must keep out of the way of sailing vessels
must sound a one prolonged, two short blasts signal in restricted visibility
is the stand-on vessel when overtaking power-driven vessels
All of the above

8. BOTH INTERNATIONAL & INLAND An all-round flashing yellow light may be exhibited by a(n) __________.

vessel laying cable
vessel towing a submerged object
vessel not under command
air cushion vessel

9. BOTH INTERNATIONAL & INLAND Which statement is true concerning a towing light when a towing vessel is towing astern?

When a towing light is shown, no sternlight is necessary.
When a sternlight is shown, no towing light is necessary.
The towing light is shown below the sternlight.
The towing light is shown above the sternlight.

10. BOTH INTERNATIONAL & INLAND While underway in fog you hear a vessel sound one prolonged blast followed by two short blasts. What does this signal indicate?

A vessel towing
A vessel being towed
A pilot vessel engaged on pilotage duty
A vessel aground