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- IRPCS (Rules) Rule 26: Fishing vessels A vessel engaged in fishing, whether underway or at anchor, shall exhibit only the lights and shapes prescribed in this Rule. A vessel when(...) Read more
- IRPCS (Rules) Rule 27: Vessel not under command or restricted in their ability to manoeuvre A vessel not under command shall exhibit: two all-round red lights in a vertical line where they can best be seen; two balls or similar(...) Read more
- IRPCS (Rules) Rule 28: Vessel constrained by their draught A vessel constrained by her draught may, in addition to the lights prescribed for power-driven vessels in Rule 23, exhibit where they can best(...) Read more
- IRPCS (Rules) Rule 29: Pilot vessels A vessel engaged on pilotage duty shall exhibit: at or near the masthead, two all-round lights in a vertical line, the upper being white and(...) Read more
- IRPCS (Rules) Rule 30: Anchored vessels and vessels aground A vessel at anchor shall exhibit where it can best be seen: in the fore part, an all-round white light or one ball; at or near the stern(...) Read more
- IRPCS (Rules) Rule 31: Seaplanes Where it is impracticable for a seaplane or a WIG craft to exhibit lights and shapes of the characteristics or in the positions prescribed in(...) Read more
- IRPCS (Rules) Rule 32: Definitions The word "whistle" means any sound signalling appliance capable of producing the prescribed blasts and which complies with the specifications(...) Read more
- IRPCS (Rules) Rule 33: Equipment for sound signals A vessel of 12 metres or more in length shall be provided with a whistle, a vessel of 20 metres or more in length shall be provided with a(...) Read more
- IRPCS (Rules) Rule 34: Manoeuvring and warning signals When vessels are in sight of one another, a power-driven vessel underway, when manoeuvring as authorized or required by these Rules, shall(...) Read more
- IRPCS (Rules) Rule 35: Sound signals in restricted visibility In or near an area of restricted visibility, whether by day or night, the signals prescribed in this Rule shall be used as follows: A(...) Read more
- IRPCS (Rules) Rule 36: Sound signals to attract attention If necessary to attract the attention of another vessel any vessel may make light or sound signals that cannot be mistaken for any signal(...) Read more
- IRPCS (Rules) Rule 37: Distress signals When a vessel is in distress and requires assistance she shall use or exhibit the signals described in Annex IV to these Regulations. Read more
- IRPCS (Rules) Rule 38: Exemptions Any vessel (or class of vessels) provided that she complies with the requirements of the International Regulation for Preventing Collisions and(...) Read more
- IRPCS (Rules) Rule 39: Definitions Audit means a systematic, independent and documented process for obtaining audit evidence and evaluating it objectively to determine the(...) Read more
- IRPCS (Rules) Rule 40: Application Contracting Parties shall use the provisions of the Code for Implementation in the execution of their obligations and responsibilities(...) Read more
- IRPCS (Rules) Rule 41: Verification of Compliance Every Contracting Party shall be subject to periodic audits by the Organization in accordance with the audit standard to verify(...) Read more
- Running FixA navigational fix when only a single landmark is available. Two bearings are taken and plotted at different times, making allowance for(...) Read more
- Running RiggingAll rigging that moves and is not part of the standing rigging Read more
- RYA Training Almanac Publication compiled to support RYA Theory courses. The RYA Training Almanac contains exerts that mimic Nautical Almanacs in the real world. Read more
- RYA Training Chart Fictitious charts, produced from portions of several Admiralty charts specifically for the purpose of navigational training. RYA3 & 4 support(...) Read more