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OrdinaryOrdinaryPractical Deck Practical Deck SeamanshipSeamanship

Instructors: George Crowl

Course Outline (1)Course Outline (1)

a. Name the seven watches and bell timea. Name the seven watches and bell timeb. Explain the duties of a lookout and b. Explain the duties of a lookout and

demonstrate how to report objects in view and demonstrate how to report objects in view and wind directions with respect to the vesselwind directions with respect to the vessel

c. Name relative bearings expressed in degreesc. Name relative bearings expressed in degreesd. While underway serve as a lookout for one d. While underway serve as a lookout for one

watchwatch

Course Outline (2)Course Outline (2)

e. Demonstrate the use of wheel or helm e. Demonstrate the use of wheel or helm commands as found in the commands as found in the Sea Scout ManualSea Scout Manual

f. Supervise and contribute to the cruise log for f. Supervise and contribute to the cruise log for three days of cruising (one cruise or a three days of cruising (one cruise or a combination of day cruises). Submit the cruise combination of day cruises). Submit the cruise logs to your skipper.logs to your skipper.

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a. Name the seven watches and bell time a. Name the seven watches and bell time

2-Section Dogged Watch2-Section Dogged Watch

Name Time Day 1 Day 2 Day 3First watch 2000-0000 Team 1 Team 2 Team 1Middle watch 0000-0400 Team 2 Team 1 Team 2Morning watch 0400-0800 Team 1 Team 2 Team 1Forenoon watch 0800-1200 Team 2 Team 1 Team 2Afternoon watch 1200-1600 Team 1 Team 2 Team 1First dog watch 1600-1800 Team 2 Team 1 Team 2Last dog watch 1800-2000 Team 1 Team 2 Team 1

Ship's BellsShip's Bells

Number of bells Bell pattern Hour (a.m. and p.m.)One bell 1 12:30 4:30 8:30Two bells 2 1:00 5:00 9:00Three bells 2 1 1:30 5:30 9:30Four bells 2 2 2:00 6:00 10:00Five bells 2 2 1 2:30 6:30 10:30Six bells 2 2 2 3:00 7:00 11:00Seven bells 2 2 2 1 3:30 7:30 11:30Eight bells 2 2 2 2 4:00 8:00 12:00 •• •• •• ••

QuestionQuestion

It is the forenoon watch, you hear the following It is the forenoon watch, you hear the following pattern of bells struck – • • • • •pattern of bells struck – • • • • •

What time is it?What time is it?

It is the first watch, you hear the following pattern It is the first watch, you hear the following pattern of bells struck – • • • • • • •of bells struck – • • • • • • •

What time is it?What time is it?

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Explain the duties of a lookout and demonstrate Explain the duties of a lookout and demonstrate how to report objects in view and wind how to report objects in view and wind directions with respect to the vessel directions with respect to the vessel

Lookout DutiesLookout Duties

Rules of the Road require to keep good lookoutRules of the Road require to keep good lookoutStationed where there is the best visibilityStationed where there is the best visibilityAbility to communicate with helm / bridgeAbility to communicate with helm / bridge In the bow, must face helm & shout, insure In the bow, must face helm & shout, insure

the call is acknowledgedthe call is acknowledgedStern lookout in fog or reverseStern lookout in fog or reverseAnchor lookout may be neededAnchor lookout may be neededGood vision – wear glasses!Good vision – wear glasses!

What to ReportWhat to Report

Relative bearing, course and speed of vessels Relative bearing, course and speed of vessels that that may affect your vesselmay affect your vessel

Relative bearing not changing = Relative bearing not changing = collision coursecollision courseATONs, channels, obstructions, hazardsATONs, channels, obstructions, hazards A crab pot may be reportable in your vesselA crab pot may be reportable in your vesselRelative wind direction and strengthRelative wind direction and strength

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c. Name relative bearings expressed in degrees c. Name relative bearings expressed in degrees

Relative BearingsRelative Bearings

Referenced to the bow of the boatReferenced to the bow of the boatBow is 000°, starboard beam is 090°, Bow is 000°, starboard beam is 090°,

stern is 180°, port beam is 270°stern is 180°, port beam is 270°

Clock System BearingsClock System Bearings

360° ÷ 12 = 30° per clock number360° ÷ 12 = 30° per clock number030, 060, 090, 120, 150, 180, 030, 060, 090, 120, 150, 180, 210, 240, 270, 300, 330, 360210, 240, 270, 300, 330, 360 Interpolate in between as neededInterpolate in between as needed

PelorusPelorus

Provides precise bearingsProvides precise bearingsSighting barsSighting barsReads relative bearingReads relative bearingSome have scales to Some have scales to

convert to true / mag convert to true / mag bearingsbearings

Converting Relative BearingsConverting Relative Bearings

Ship heading 045°T, relative bearing 090°, true Ship heading 045°T, relative bearing 090°, true bearing = 135°. 045 TH + 090 RB = 135 TBbearing = 135°. 045 TH + 090 RB = 135 TB

Always add heading (TH, MH, CH) to relative Always add heading (TH, MH, CH) to relative bearing (RB) to get bearing (TB, MB, CB)bearing (RB) to get bearing (TB, MB, CB)

If total is greater than 360, subtract 360. If total is greater than 360, subtract 360. CH 295 + RB 150 = 445 – 360 = CB 085.CH 295 + RB 150 = 445 – 360 = CB 085.

Compass heading (CH) + RB = CBCompass heading (CH) + RB = CBMagnetic heading (MH) + RB = MBMagnetic heading (MH) + RB = MBTrue heading (TH) + RB = TB (true bearing)True heading (TH) + RB = TB (true bearing)

Practice ProblemsPractice Problems

TH 037 CH 128 MH 205 TH 268 CH 333TH 037 CH 128 MH 205 TH 268 CH 333RB RB 128128 RB RB 222222 RB RB 027027 RB RB 097097 RB RB 175175 TB 165 CB 350 MB 232 TB 365TB 165 CB 350 MB 232 TB 365 - - 360360 005005MH 307 CH 356 TH 007 MH 123 TH 267MH 307 CH 356 TH 007 MH 123 TH 267RB RB 045045 RB RB 330330 RB RB 355355 RB RB 098098 RB RB 145145

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d. While underway, serve as a lookout for one d. While underway, serve as a lookout for one watch watch

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e. Demonstrate the use of wheel or helm e. Demonstrate the use of wheel or helm commands found in the commands found in the Sea Scout ManualSea Scout Manual

Wheel or Helm OrdersWheel or Helm Orders

Commands are right / left rudder, or headingCommands are right / left rudder, or heading Right rudder turns boat rightRight rudder turns boat right Boats vary in how much rudder is availableBoats vary in how much rudder is available Big boats may have less rudder availableBig boats may have less rudder available Rudder over 45° slows boat, not faster turnRudder over 45° slows boat, not faster turn Rudder angle indicator, or tiller, shows positionRudder angle indicator, or tiller, shows position Middle size wheel boats may have no indicatorMiddle size wheel boats may have no indicator

Rudder Commands (1)Rudder Commands (1)

RIGHT FULL RUDDER = max deflection rightRIGHT FULL RUDDER = max deflection rightRUDDER AMIDSHIPS = center the rudderRUDDER AMIDSHIPS = center the rudderRUDDER 15° RIGHT = rudder 15° right & hold itRUDDER 15° RIGHT = rudder 15° right & hold itEASE THE RUDDER = start to move it backEASE THE RUDDER = start to move it backEASE TO 10° = move it back to 10°EASE TO 10° = move it back to 10°HANDSOMELY = slowlyHANDSOMELY = slowlyMEET HER = slow down the swing of the bowMEET HER = slow down the swing of the bow

Rudder Commands (2)Rudder Commands (2)

NOTHING TO THE RIGHT = cannot go to the NOTHING TO THE RIGHT = cannot go to the right, but can go a little bit left of headingright, but can go a little bit left of heading

SHIFT YOUR RUDDER = put the rudder the same SHIFT YOUR RUDDER = put the rudder the same amount on the other sideamount on the other side

MIND YOUR RUDDER = 1) stand by for an order, MIND YOUR RUDDER = 1) stand by for an order, 2) pay better attention to your steering2) pay better attention to your steering

Repeat any order. When you have accomplished Repeat any order. When you have accomplished it, repeat it again to show compliance.it, repeat it again to show compliance.

Heading CommandsHeading Commands

STEADY AS YOU GO = hold your headingSTEADY AS YOU GO = hold your headingSTEER HEADING 045° = turn to and hold STEER HEADING 045° = turn to and hold

heading 045°. heading 045°. STEER COURSE 045° = maintain the course line STEER COURSE 045° = maintain the course line

on the chartplotteron the chartplotter

Wind and waves will buffet the ship. You can Wind and waves will buffet the ship. You can anticipate and hold heading closer.anticipate and hold heading closer.

Look on far shore (or a low star) for a line-up Look on far shore (or a low star) for a line-up point that matches your compass, aim for itpoint that matches your compass, aim for it

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f. Supervise and contribute to the cruise log for f. Supervise and contribute to the cruise log for three days of cruising (one cruise or a three days of cruising (one cruise or a combination of day cruises). Submit the cruise combination of day cruises). Submit the cruise logs to your skipper.logs to your skipper.

One Cruise Log (1)One Cruise Log (1)

Ship 1996 Cruise LogShip 1996 Cruise Log0800 ___________________________________0800 ___________________________________0900 ___________________________________0900 ___________________________________1000 ___________________________________1000 ___________________________________1100 ___________________________________1100 ___________________________________1200 ___________________________________1200 ___________________________________1300 ___________________________________1300 ___________________________________Etc. ____________________________________Etc. ____________________________________Evening ________________________________Evening ________________________________

One Cruise Log (2)One Cruise Log (2)

Where were you? _________________________Where were you? _________________________What did the ship do today? ________________What did the ship do today? ________________What did you do today? ____________________What did you do today? ____________________What was it like? __________________________What was it like? __________________________What was today's high point? _______________What was today's high point? _______________What was today's low point? ________________What was today's low point? ________________

Questions?Questions?