QM-10QM-10

QuartermasterQuartermasterLeadershipLeadership

Instructors: George Crowl

Course OutlineCourse Outlinea. Teach the Ordinary and Able piloting a. Teach the Ordinary and Able piloting

requirements to a crew.requirements to a crew.b. Know the methods of fixing a boat's b. Know the methods of fixing a boat's

position in limited visibility.position in limited visibility.

TechniquesTechniquesGenerally, follow the order of the requirementsGenerally, follow the order of the requirementsHowever, teach 24-hour time before Zulu timeHowever, teach 24-hour time before Zulu timeHave nav kits (plotter, dividers, 0.5 mm pencil, Have nav kits (plotter, dividers, 0.5 mm pencil,

eraser, calculator)eraser, calculator)Plotters are preferred over parallel rulesPlotters are preferred over parallel rulesDR calculators are OK if available, are fasterDR calculators are OK if available, are fasterUSPS Bowditch Bay charts are inexpensiveUSPS Bowditch Bay charts are inexpensive

Techniques (2)Techniques (2)Additional instructors ratio 1:6 or 8Additional instructors ratio 1:6 or 8

Equipment NeededEquipment NeededLesson plans and/or PPTs for ORD-10, ABL-10 Lesson plans and/or PPTs for ORD-10, ABL-10

(as desired)(as desired)White boardWhite boardPre-planned routes with fixes for exercisesPre-planned routes with fixes for exercises

Teaching EDGETeaching EDGELacks two things – objectives, motivationLacks two things – objectives, motivationYou have to supply bothYou have to supply bothObjectives – simply put – the requirementsObjectives – simply put – the requirementsMotivation – why should a Sea Scout want to Motivation – why should a Sea Scout want to

pass an advancement requirement?pass an advancement requirement?YOU have to provide the motivation – how it will YOU have to provide the motivation – how it will

be used, it may be fun to do, whatever will be used, it may be fun to do, whatever will persuade the Scout to do itpersuade the Scout to do it

Give a pre-test? You may be able to sign them Give a pre-test? You may be able to sign them off as complete with part or all of itoff as complete with part or all of it

Teaching EDGE (2)Teaching EDGE (2)Four main stepsFour main steps ExplainExplain DemonstrateDemonstrate GuideGuide EnableEnable

ExplainExplain““How do we measure a course between two How do we measure a course between two

points?”points?”Put dividers on the two pointsPut dividers on the two pointsLay plotter snug to dividersLay plotter snug to dividersSlide plotter “bulls eye” to longitude line Slide plotter “bulls eye” to longitude line Read angle on plotterRead angle on plotterSelect correct one of two shownSelect correct one of two shown

l

DemonstrateDemonstrate Instructor shows how Instructor shows how Pick two points 4-6” apartPick two points 4-6” apartPut dividers on points Put dividers on points Lay plotter next to pointsLay plotter next to pointsSlide along until bulls eye lines up on longitude Slide along until bulls eye lines up on longitude

(vertical) line(vertical) lineLook at angle circle, note direction numbers are Look at angle circle, note direction numbers are

increasingincreasingSelect lower 10° Select lower 10°

Demonstrate (2)Demonstrate (2) Interpret the single digit between 10° linesInterpret the single digit between 10° linesLay down your dividers, gentlyLay down your dividers, gentlyDraw the line between the two points along the Draw the line between the two points along the

plotter edgeplotter edgeWrite the true course on your log and chartWrite the true course on your log and chart Insure that if you are going east, the number is Insure that if you are going east, the number is

between 0° and 180°between 0° and 180°

GuideGuideHave Scouts practice manipulating dividersHave Scouts practice manipulating dividersOne hand to hold dividers, one to move plotterOne hand to hold dividers, one to move plotterGuide plotter bulls-eye over longitude lineGuide plotter bulls-eye over longitude line Interpret to 1° Interpret to 1° Select correct hemisphere for valueSelect correct hemisphere for valueLearn how to use latitude lines for north-south Learn how to use latitude lines for north-south

coursescourses

EnableEnableDo a “ground mission” using charts and giving Do a “ground mission” using charts and giving

them all the inputs to put on the chart and logthem all the inputs to put on the chart and logDo an actual sail on a larger (26'+) boat with GPS Do an actual sail on a larger (26'+) boat with GPS

and hand bearing compassand hand bearing compassTake fixes, alter heading into turning points and Take fixes, alter heading into turning points and

destination destination

When do You Pass the Scout?When do You Pass the Scout?Policies vary between shipsPolicies vary between shipsAuthor's opinion: if the Scout can repeat the Author's opinion: if the Scout can repeat the

correct solutions to the problems posed, and correct solutions to the problems posed, and reacts correctly on the water, s/he has met the reacts correctly on the water, s/he has met the requirements for piloting. If it is not used, it will requirements for piloting. If it is not used, it will be forgotten. If you have no large boats, you be forgotten. If you have no large boats, you may need to use ground missions.may need to use ground missions.

Other skills, perhaps knot tying, should be Other skills, perhaps knot tying, should be demonstrated several times by the Scout before demonstrated several times by the Scout before passing.passing.

QM-10bQM-10b

b. Know the methods of fixing a boat's b. Know the methods of fixing a boat's position in limited visibility.position in limited visibility.

GPSGPSFirst choiceFirst choiceNot normally affected by visibilityNot normally affected by visibilityGives very precise position (less than 10 meters)Gives very precise position (less than 10 meters)““Highway” function will keep you on desired Highway” function will keep you on desired

coursecourseWill calculate Will calculate

reasonable ETAsreasonable ETAs

RadarRadarRadar's primary use in limited visibility is Radar's primary use in limited visibility is

collision avoidancecollision avoidanceRadar can also be Radar can also be

used for fixingused for fixingRange & bearingRange & bearing

from known pointfrom known point3-bearing fix3-bearing fix3-range fix3-range fixRadar reflectorsRadar reflectors

Radio Direction FinderRadio Direction FinderDevice gives bearing of radio stationDevice gives bearing of radio stationCan use commercial radio stationsCan use commercial radio stationsCharts identify radio towers of some stationsCharts identify radio towers of some stationsPlot bearing(s)Plot bearing(s)Mostly used at seaMostly used at sea

SoundSoundClose to shore, with high hills, sound will echoClose to shore, with high hills, sound will echoSound travels a mile in five seconds (1125 ft/sec Sound travels a mile in five seconds (1125 ft/sec

on a standard day)on a standard day)Time the return sound, divide seconds by 2, is Time the return sound, divide seconds by 2, is

distance to reflecting surface (which may be distance to reflecting surface (which may be behind the shore)behind the shore)

Depth MetersDepth MetersDepth finders / fish finders will show bottom Depth finders / fish finders will show bottom

depthdepthCharts will show water depth (MLLW)Charts will show water depth (MLLW) In many places a depth contour is like an LOPIn many places a depth contour is like an LOP

Actions to Take in Fog, etc.Actions to Take in Fog, etc.SLOW DOWNSLOW DOWNKeep good DR positionsKeep good DR positionsMonitor GPS, radar, etc., constantlyMonitor GPS, radar, etc., constantly Increase watch, ahead and asternIncrease watch, ahead and asternListen for other traffic, horns, sea noise, etc.Listen for other traffic, horns, sea noise, etc.Take all available fixesTake all available fixesMaintain planned courseMaintain planned course

Questions?Questions?