Practical Motor Boat Handling, Seamanship and Piloting: A Handbook Containing Information which Every Motor Boatman Should Know. Especially Prepared for the Man who Takes Pride in Handling His Own Boat and Getting the Greatest Enjoyment Out of Cruising. Adapted for the Yachtsman Interested in Fitting Himself to be of Service to His Government in Time of WarMotor Boating, 1917 - 176 страници |
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aids to navigation anchor answering pennant bearing bell blast boat's bow staff buoys channels chart chip log chronometer club coast Coast Pilot code flag colors compass card compass course compass rose craft danger degrees deviation direction displayed distance easterly feet flag alphabet flag flashing flown fog signal Gas buoys give green side lights hand flags harbor hauled hoisted horizon inland leading boat Light List lightvessel log-chip magnetic course magnetic North mast method miles motor boat motor boatman nautical miles Notice to Mariners overtaking boat parallel rulers pass patent log placed points abaft port side position private signal propeller protractor protractor compass quarter points range light red and green red light sea-going semaphore ship shoal sound starboard starboard beam station steer sun compass swings Tide Tables tion towed true North variation visible wave westerly white light yacht ensign yardarm
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Страница 117 - ART. 31. When a vessel is in distress and requires assistance from other vessels or from the shore, the following shall be the signals to be used or displayed by her, either together or separately, viz. : — In the daytime — 1. A gun or other explosive signal fired at intervals of about a minute. 2. The International Code signal of distress indicated by NC 3. The distant signal, consisting of a square flag, having either above or below it a ball or anything resembling a ball. 4. A continuous sounding...
Страница 116 - ... 2, or 3 it indicates warmer weather; when placed below numbers 1, 2, or 3 it indicates colder weather; when not displayed, the indications are that the temperature will remain stationary, or that the change in temperature will not vary more than...
Страница 106 - Upon the discovery of a wreck by night, the lifesaving force will burn a red pyro-technic light or a red rocket to signify, 'You are seen; assistance will be given as soon as possible.
Страница 115 - When displayed on poles, the signals should be arranged to read downward ; when displayed from horizontal supports, a small streamer should be attached to indicate the point from which the signals are to be read.
Страница 94 - In approaching a light of varying intensity, such as fixed varied by flashes, or alternating white and red, due allowance must be made for the inferior brightness of the less powerful part of the light. The first-named light may, on account of distance or haze, show flashes only, and the true characteristic will not develop...
Страница 106 - A red flag waved on shore by day, or a red light, red rocket, or red Roman candle displayed by night, will signify —
Страница 95 - As sound is conveyed irregularly through the atmosphere, mariners are strongly cautioned that they must not place dependence on judging their distance from a fog signal by the power of the sound. Under certain conditions of the atmosphere the sound may be lost a short distance from the station, as there may be silent areas or zones, or the sound may carry much farther in one direction than in another, and these conditions may vary in the same locality within short intervals of time. Mariners...
Страница 117 - The distant signal, consisting of a cone, point upward, having above it two balls or shapes resembling balls.
Страница 116 - ... or from the shore the following shall be the signals to be used or displayed by her, either together or separately, namely: In the daytime — (1) A gun or other explosive signal fired at intervals of about a minute. (2) The International Code signal of distress indicated by NC.
Страница 143 - The quarantine flag (alphabet flag Q) is hoisted at the foremast head or most conspicuous hoist on all infected ships or ships in quarantine. It shall be kept flying day and night and be carried in the bow of all boats belonging to the ship having this flag hoisted. It should be hoisted by incoming ships as a signal to the health officer of the port that pratique is desired.