Term
| define: power driven vessel |
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Definition
| vessel propelled by machinery |
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Term
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Definition
| a vessel using a fishing apparatus that restricts its ability to maneuver |
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Term
| define: vessel not under command |
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Definition
| through exception circumstances a vessel that is unable to comply with the rules of the road |
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Term
| define: restricted in ability to maneuver |
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Definition
| due to the nature of her work, a vessel that is restricted in ability to maneuver |
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Term
| examples of "restricted in ability to maneuver" |
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Definition
1. laying submarine cables, marks, or pipeline
2. dredging, surveying, or underwater ops
3. UNREP
4. launching/recovering aircraft
5. mine clearance
6. towing - as long as the towing vessel is severely restricted in its ability to deviate from track (towing doesn't necessarily mean you're restricted) |
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Term
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Definition
| not at anchor, not made fast to shore, not aground |
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Term
| define: underway and making way |
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Definition
| vessel that fits description of underway and is being propelled through the water |
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Term
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Definition
| uses sight and hearing to determine risk of collision |
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Term
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Definition
| a speed that allows a vessel to take proper and effective action to avoid a collision and be able to stop in an appropriate distance |
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Term
| factors to consider to determine safe speed |
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Definition
1. visibility
2. traffic density
3. maneuverability (turning, stopping)
4. background lighting
5. state of wind, current, sea, and proximity to navigational hazards
6. draft
7. radar limitations (Can it detect small objects? Can it differentiate between objects? Effect of sea state? ) |
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Term
| how to determine risk of collision |
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Definition
1. whether bearing of approaching object does not appreciably change (bearing drift)
2. size of vessel
3. range of vessel
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Term
| define: action to avoid collision |
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Definition
| shall be positive, and in ample time and with due regard to the rules of the road and good seamanship, readily apparent to the other vessel, alteration of course is preferred. |
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Term
| who has the right of way in a narrow channel? |
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Definition
| the vessel traveling with the current (his vessel will have a harder time reacting and is going to be carried forward) |
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Term
| what angle is best to enter a traffic scheme (if you intend to cross it)? |
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Definition
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Term
| what angle is best to enter a traffic scheme (if you intend to stay in it)? |
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Definition
| as shallow an angle as possible |
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