MacDonald, Alexander Forsyth, 1897-1965 · Port Credit, Ont. : Aviation Service Corporation · leaf 77
eading and airspeed (Fig 20). 2. From A draw A-C, 48°, 100 kts. to scale, torepresent the Track and Groundspeed. 3. loin B-C. Then the angle B-C makes with the Meridian (trans-ferred) represents the Wind and Windispeed—from 299°Mag. at 26 kts. The direction of the wind is always from the head-ing… … Fig. 21. Air Navigation 73 3. Mark a cross at the intersection of the 95-knotSpeed Line and the Drift Line representing the Headingof 33° Mag. (Heading is 15° leit of Track, so use 15°left Drift Line.) 4. Rotate the Compass Rose so the cross is on thecentre line above the Grommet. 5. Read the wind…
Airplanes
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