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Regional Gliding School Great Circle n A circle on the surface of the earth whose plane passes through the center of the earth. n It is also the shortest.

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Presentation on theme: "Regional Gliding School Great Circle n A circle on the surface of the earth whose plane passes through the center of the earth. n It is also the shortest."— Presentation transcript:

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3 Regional Gliding School Great Circle n A circle on the surface of the earth whose plane passes through the center of the earth. n It is also the shortest distance between two points on the surface of the earth.

4 Regional Gliding School Rhumb Line n A curved line on the surface of the earth cutting all meridians at the same angle. n All parallels of latitude are rhumb lines.

5 Regional Gliding School Measurement of Direction n Direction is measured in degrees clockwise from north which is 0° (or 360°). n East is 90°, south is 180° and west is 270°.

6 Regional Gliding School Headings ëThe direction that the aircraft nose (longitudinal axis) is pointing, measured clockwise from north. ëTrue heading is measured from true north. ëMagnetic heading is measured from magnetic north.

7 Regional Gliding School Variation n Defined as the angle between the true meridian and magnetic meridian. n It is also referred to as magnetic variation.

8 Regional Gliding School Isogonic Lines u Lines on a map joining places of equal variation. u Also known as isogonals. u These are numbered east and west according to whether the magnetic variation is to the east or west of true north.

9 Regional Gliding School Agonic Lines n Lines on a map joining places of zero variation.

10 Regional Gliding School Deviation n The angle between compass heading and magnetic heading. n The difference is caused by the magnetic fields generated from the metal airframe and engine. Compass Heading n The direction that the needle in the compass is pointing.

11 Confirmation Stage NOTE: You must use the buttons in the Confirmation Stage

12 Regional Gliding School NavigationDefinitions A B C D Heading Magnetic heading Great circle Rhumb line Let's try a few review questions on Navigation: Question #1 - What is curved line on the surface of the earth cutting all meridians at the same angle?

13 I’m afraid that answer is incorrect Let's try again... Flying Scholarship Program

14 I’m afraid that answer is incorrect Let's try again... Flying Scholarship Program

15 I’m afraid that answer is incorrect Let's try again... Flying Scholarship Program

16 That answer is correct. Let's move on...

17 Regional Gliding School Aero Engines Basic construction and the four stroke cycle A B C D Agonic lines Isogonals Rhumb lines Great circle Let's try a few review questions on Navigation: Question #2 - What lines join places of zero variation?

18 I’m afraid that answer is incorrect Let's try again... Flying Scholarship Program

19 I’m afraid that answer is incorrect Let's try again... Flying Scholarship Program

20 I’m afraid that answer is incorrect Let's try again... Flying Scholarship Program

21 That answer is correct. Let's move on...

22 Regional Gliding School Bearings ìThe position of an object relative to your aircraft. ìThis angle is also known as the azimuth. ìMeasured clockwise from the meridian through 360°. ìHas nothing to do with aircraft heading.

23 Regional Gliding School Standard Measurements Of Distance ¶ Statute Mile - Distance measuring 5280 feet. · Nautical Mile - Average length of one minute of latitude: 6080 feet. ¸ Kilometer meters.

24 Regional Gliding School Standard Measurements of Speed n Speed - The rate at which an object moves in relation to a fixed object. ¬ Miles per Hour (MPH) - Speed in statute miles per hour. ­ Knot - Speed in nautical miles per hour. ® Kilometers per hour (KPH) - Speed in kilometers per hour.

25 Regional Gliding School Airspeeds and Groundspeed n Indicated Airspeed - Speed shown on the airspeed indicator. n True Airspeed - Speed of the aircraft relative to the air. n Groundspeed - Speed of the airplane relative to the ground.

26 Regional Gliding School Track  The direction an airplane intends to travel over the ground.  May be represented by a straight line drawn on a map.  Also known as intended track or required track.  Direction is the angle between this line and a meridian measured clockwise through 360°. Can be true, magnetic or compass.

27 Regional Gliding School Track Made Good  Actual path traveled by the airplane over the ground.  Like track, it may be represented by a line drawn on a map and its direction measured (if it is reasonably straight line).

28 Regional Gliding School Drift / Drift, or drift angle, is the angle between the heading being flown and the track made good over the ground. / It can be expressed in degree either left or right.

29 Regional Gliding School NOTE: You must use the buttons in the Confirmation Stage

30 Regional Gliding School NavigationDefinitions A B C D 5280 feet 6080 feet 5280 meters 6080 meters Let's try a few review questions on Navigation: Question #3 - What is the length of a nautical mile?

31 I’m afraid that answer is incorrect Let's try again... Flying Scholarship Program

32 I’m afraid that answer is incorrect Let's try again... Flying Scholarship Program

33 I’m afraid that answer is incorrect Let's try again... Flying Scholarship Program

34 That answer is correct. Let's move on...

35 Regional Gliding School NavigationDefinitions A B C D Bearing Track Track made good Drift Let's try a few review questions on Navigation: Question #4 - What is the actual track the aircraft flies over the ground?

36 I’m afraid that answer is incorrect Let's try again... Flying Scholarship Program

37 I’m afraid that answer is incorrect Let's try again... Flying Scholarship Program

38 I’m afraid that answer is incorrect Let's try again... Flying Scholarship Program

39 That answer is correct. Let's move on...

40 Regional Gliding School Congratulations!! You have now completed the Definitions lesson of the Navigation Module. Of course, this lesson is always available to you for future reference if required. You are now ready to move along to the next Navigation lesson you have not completed or to any other module you wish. You can advance to the Self Test Module if you feel ready to challenge the final exam. Good Luck! NavigationDefinitions


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