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

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.†

BCM AUX Identify Common Navigation Lights Displayed by Ships and Boats Identify Common Navigation Lights Displayed by Ships and Boats Reference: COMDTINST M D Reference: COMDTINST M D

BCM AUX A sailing vessel shall exhibit: 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. A sailing vessel under 20 m may display a combined lantern at the top of the mast.

BCM 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. 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.

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

BCM AUX A power-driven vessel shall exhibit: 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

Power Driven Vsl underway >50m

Power Driven Vsl underway <50m

BCM 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. 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.

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

BCM AUX One prolonged blast 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 Two prolonged blasts –I am power-driven, underway, not making way in fog.

BCM AUX One prolonged and two short blasts 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 One prolonged and three short blasts –Being towed in fog and manned. Short, prolonged, short Short, prolonged, short –Optional signal for vessel anchored or aground in fog.

BCM AUX Distress Signals Distress Signals –A high intensity flashing white light at regular intervals /minute

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.† (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.†

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

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

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

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;† 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.

San Francisco Entrance

Monterey Harbor

BCM AUX Basic Parts, Symbols and Abbreviations on a Nautical Chart Basic Parts, Symbols and Abbreviations on a Nautical Chart –Let’s have a look at Chart #1

BCM AUX Identify Local Landmarks Used in Piloting on a Nautical Chart Identify Local Landmarks Used in Piloting on a Nautical Chart

BCM AUX Plot a position using Latitude and Longitude Plot a position using Latitude and Longitude

BCM AUX Plot a Magnetic Course on a Nautical Chart Plot a Magnetic Course on a Nautical Chart –True –Variation –Magnetic –Deviation –Compass –+ westerly errors

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

BCM AUX Compute Time, Speed, and Distance Compute Time, Speed, and Distance –D = S*T/60 D = distance in NM D = distance in NM S = speed in knots S = speed in knots T = time in minutes T = time in minutes