Are you a TOP GUN in NavRules?You think you're ready for the NavRules test? Take the NavRules Challenge and find out!!
1. BOTH INTERNATIONAL & INLAND Traffic separation schemes established by the International Maritime Organization __________.
provide inbound and outbound lanes to promote the safe flow of vessel traffic provide vessel reporting systems to assist in search and rescue in the event of a vessel casualty provide routing and vessel scheduling procedures to reduce shipping delays prohibit vessels carrying hazardous cargos from entering waters that are environmentally sensitive
2. BOTH INTERNATIONAL & INLAND Which vessel would exhibit sidelights when underway and not making way?
A vessel not under command A vessel towing by pushing ahead A vessel engaged in dredging A vessel trawling
3. INLAND ONLY Two vessels are meeting on a clear day and will pass less than half a mile apart. In this situation whistle signals __________.
must be exchanged may be exchanged must be exchanged if passing agreements have not been made by radio must be exchanged only if course changes are necessary by either vessel
4. BOTH INTERNATIONAL & INLAND A fishing vessel is approaching a vessel not under command. Which statement is TRUE?
The fishing vessel must keep clear of the vessel not under command. If the vessel not under command is a power-driven vessel, she must keep clear of the fishing vessel. They must exchange whistle signals. Both vessels are required to take action to stay clear of each other.
5. INTERNATIONAL ONLY A partially submerged object towed by a vessel must show during the day one __________.
diamond shape when the length of the tow is 200 meters or less diamond shape 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
6. BOTH INTERNATIONAL & INLAND You are on watch in fog. Which vessel is "in sight"?
A vessel that you can see from the bridge A radar target of which you have determined the course and speed A vessel from which you can hear the fog signal All of the above
7. BOTH INTERNATIONAL & INLAND A man aboard a vessel, signaling by raising and lowering his outstretched arms to each side, is indicating __________.
danger, stay away all is clear, it is safe to pass the vessel is anchored a distress signal
8. BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. Another vessel in the channel can only be navigated safely in that channel. You should __________.
sound two prolonged blasts followed by one short blast not cross the channel if you might impede the other vessel sound three short blasts, and take all way off your vessel hold your course and speed if he is on your port bow
9. INLAND ONLY Which indicates the presence of a partly submerged object being towed?
A diamond shape on the towed object An all-round light at each end of the towed object A searchlight beamed from the towing vessel in the direction of the tow All of the above
10. BOTH INTERNATIONAL & INLAND Which statement concerning whistle signals is FALSE?
When a pushing vessel and a vessel pushed are connected in a composite unit, the unit sounds the fog signal of a power-driven vessel. A vessel at anchor may sound one short, one prolonged, and one short blast. A pilot vessel may sound an identity signal on the whistle. A vessel engaged in towing in fog shall sound a fog signal at intervals of one minute.