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Boat Crew Navigation

Boat Crew Navigation. This presentation is provided for shore-side training of Auxiliary Boat Crew Candidates This presentation may be used within District 11 Northern Region. Michael L. Maddox, Ph.D. Captain (MSC) USNR (Ret) District Commodore 1999-2000 DSO-MT, FSO-MT. Rule 20.

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Boat Crew Navigation

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  1. Boat Crew Navigation • This presentation is provided for shore-side training of Auxiliary Boat Crew Candidates • This presentation may be used within District 11 Northern Region • Michael L. Maddox, Ph.D. • Captain (MSC) USNR (Ret) • District Commodore 1999-2000 • DSO-MT, FSO-MT

  2. Rule 20 • (a) Rules in this Part shall be complied with in all weathers. • (b) The Rules concerning lights shall be complied with from sunset to sunrise, and during such times no other lights shall be exhibited, except such lights as cannot be mistaken for the lights specified in these Rules or do not impair their visibility or distinctive character, or interfere with the keeping of a proper look-out.†

  3. BCM 04-03-AUX • Identify Common Navigation Lights Displayed by Ships and Boats • Reference: COMDTINST M16672.2D

  4. BCM 04-03-AUX • A sailing vessel shall exhibit: • Sidelights and a sternlight • A sailing vessel under 20 m may display a combined lantern at the top of the mast.

  5. BCM 04-03-AUX • A sailing vessel may in addition to the sidelights and stern light exhibit two all-round lights at the top of the mast, red over green.

  6. BCM 04-03-AUX • A vessel under oars and a sailing vessel under 7 m may display an all-round white light in time to prevent collision.

  7. BCM 04-03-AUX • A power-driven vessel shall exhibit: • A masthead light forward • A second masthead light abaft of and higher than the forward one; except that a vessel less then 50 m shall not be obliged to but may do so. • Sidelights; and • a stern light

  8. Power Driven Vsl underway >50m

  9. Power Driven Vsl underway <50m

  10. BCM 04-03-AUX • A power-driven vessel under 12 m may, in lieu of the lights described in Rule 23a, exhibit an all-round white light and side lights.

  11. BCM 04-04-AUX • One short blast • I intend to leave you on my port side. • Two short blasts • I intend to leave you on my starboard side. • Three short blasts • I am operating astern propulsion • Four short blasts • Pilot vessel identification • Five (or more) short blasts • Danger signal

  12. BCM 04-04-AUX • One prolonged blast • I am leaving a dock or berth. • I am power-driven, underway in fog. • Approaching a blind bend in river. • Two prolonged blasts • I am power-driven, underway, not making way in fog.

  13. BCM 04-04-AUX • One prolonged and two short blasts • Sailing, towing, NUC vessel in fog • RAM, fishing in fog (both u/w and anchored) • One prolonged and three short blasts • Being towed in fog and manned. • Short, prolonged, short • Optional signal for vessel anchored or aground in fog.

  14. BCM 04-05-AUX • Distress Signals • A high intensity flashing white light at regular intervals 50-70/minute

  15. Rule 2 – Responsibility • (b) In construing and complying with these Rules due regard shall be had to all dangers of navigation and collision and to any special circumstances, including the limitations of the vessels involved, which may make a departure from these Rules necessary to avoid immediate danger.†

  16. Rule 3 - Definitions • (a) The word “vessel” † • (b) The term “power-driven vessel” • (c) The term “sailing vessel” • (d) The term “vessel engaged in fishing” • (e) The word “seaplane” • (f) The term “vessel not under command” • (g) The term “vessel restricted in her ability to maneuver”

  17. Rule 3 - Definitions • (h) The term “vessel constrained by her draft” (Int. only!)† • “underway” • “length” and “breadth” • (k) Vessels shall be deemed to be in sight of one another only when one can be observed visually from the other.† • “restricted visibility”

  18. Rule 3 – Definitions (Inland) • (I) “Western Rivers” • (m) “Great Lakes” • (n) “Secretary” • (o) “Inland Waters” • (p) “Inland Rules” or “Rules” • (q) “International Regulations”

  19. INLAND Waters • Rule 3 (o) “Inland Waters” means the navigable waters of the United States shoreward of the navigational demarcation lines dividing the high seas from harbors, rivers, and other inland waters of the United States and the waters of the Great Lakes on the United States side of the International Boundary;† • Annex V lists the location of demarcation lines.

  20. San Francisco Entrance

  21. Monterey Harbor

  22. BCM 06-01-AUX • Basic Parts, Symbols and Abbreviations on a Nautical Chart • Let’s have a look at Chart #1

  23. BCM 06-03-AUX • Identify Local Landmarks Used in Piloting on a Nautical Chart

  24. BCM 06-04-AUX • Plot a position using Latitude and Longitude

  25. BCM 06-05-AUX • Plot a Magnetic Course on a Nautical Chart • True • Variation • Magnetic • Deviation • Compass • + westerly errors

  26. BCM 06-06-AUX • Measure Distance on a Nautical Chart • Use Latitude scale. • Use Scale on edge of chart. • DO NOT use longitude scale!

  27. BCM 06-07-AUX • Compute Time, Speed, and Distance • D = S*T/60 • D = distance in NM • S = speed in knots • T = time in minutes

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