Are you a TOP GUN in NavRules?You think you're ready for the NavRules test? Take the NavRules Challenge and find out!!
1. INLAND ONLY The stand-on vessel in a crossing situation sounds one short blast of the whistle. This means that the vessel __________.
intends to hold course and speed is changing course to starboard is changing course to port intends to leave the other on her port side
2. BOTH INTERNATIONAL & INLAND A pilot vessel may continue to sound an identity signal in fog if she is __________.
aground at anchor not under command no longer on pilotage duty
3. BOTH INTERNATIONAL & INLAND The maximum length of a power-driven vessel which may show an all-round white light and sidelights instead of a masthead light, sidelights and a sternlight is __________.
7 meters 10 meters 11 meters 20 meters
4. BOTH INTERNATIONAL & INLAND Distress signals may be __________.
red flares smoke signals sound signals Any of the above
5. INTERNATIONAL ONLY While underway and in sight of another vessel you put your engines on astern propulsion. Which statement concerning whistle signals is TRUE?
You must sound three short blasts on the whistle. You must sound one blast if backing to starboard. You must sound whistle signals only if the vessels are meeting. You need not sound any whistle signals.
6. BOTH INTERNATIONAL & INLAND A vessel is overtaking when she approaches another from more than how many degrees abaft the beam?
0.0° 11.25° 22.5° 45.0°
7. INLAND ONLY Which light(s) shall be shown at night on a moored barge which reduces the navigable width of any channel to less than 80 meters?
A white light placed on the two corners farthest from the bank Two yellow lights in a vertical line at the stern A red light placed on all four corners A red light placed on the two corners farthest from the bank
8. BOTH INTERNATIONAL & INLAND Every vessel should at all times proceed at a "safe speed". "safe speed" is defined as that speed where __________.
you can stop within your visibility range you can take proper and effective action to avoid collision you are traveling slower than surrounding vessels no wake comes from your vessel
9. BOTH INTERNATIONAL & INLAND A single towing light will be carried above a vessel's sternlight __________.
only if she is towing astern only if the tow exceeds 200 meters at any time when towing if the towing vessel is part of a composite unit
10. BOTH INTERNATIONAL & INLAND A head-on situation at night is one in which you see dead ahead a vessel showing __________.
one sidelight one sidelight and a masthead light one sidelight and two masthead lights both sidelights of a vessel and her masthead light(s)