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12 Cards in this Set
- Front
- Back
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Rule 6 safe speed
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Every vessel shall at all times proceed at a safe speed so that she can take proper and effective action to avoid collision and be stopped within a distance appropriate to the pervailing circumstances and conditions.
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Rule 7 risk of collision
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Every vessel shall use all available means appropriate to the prevailing circumstance and conditions to determine if risk of collision exsists.
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Rule 9 narrow channels
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A vessel proceeding along the course of a narrow channel or fairway shall keep as near to the outer limit of the channel or fairway which lies on her starboard side as safe and practicable.
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international sound signal basic |
one short: I am altering my course to starboard two short: I am altering my course to port three short: I am operating astern propulsion |
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Inland sound signal basic |
one short: I intend to leave you on my port side two short: I intend to leave you on my starboard side three short: operating astern propulsions |
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Agreement signal
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Inland: same signal sounded |
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Narrow channel overtaking international
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two prolonged by one short- " I intend to overtake you on your starboard side" Two prolonged by two short- " I intend to overtake you on your port side" Vessel agreement of overtake shall sound: one prolong one short one prolong one short. |
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overtaking inland
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one short: I intend to overtake you on your starboard side two short: I intend to overtake you on your port side. |
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Restricted visibility
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Underway making way: one prolong blast every two minutes Underway not making way: two prolong blast every two minutes RAM, CBDR, sailing ,fishing, towing or pushing ahead- One prolong by two short every two minutes. Vessel being towed: one prolong three short every two minutes |
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vessel at anchor
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rapid ringing of a bell for about 5 seconds. vessels 100 meters or more- add gong for 5 seconds may also sound one short one prolong one short |
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Vessel aground
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shall add three distinctive strikes to the bell before and after rapid ringing.
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What determines safe speed |
State of Visibility Traffic density Manageability of the vessel Weather conditions Draft in relation to depth of water |
