MacDonald, Alexander Forsyth, 1897-1965 · Port Credit, Ont. : Aviation Service Corporation · leaf 81
rrowheads at either end and the time at which itwas obtained is clearly marked, in this case 10.15 hrs. Suppose that at the same time, the Beech Head lightship was found to bear 45°. A second Position Line(CD.) may be drawn 225° from the light ship on thechart. Where the two Position Lines… … Fig. 28. Fix by Two Simultaneoui Position Lines. Air Navigation 77 (E-F) has been plotted from a bearing on Dog Islandof 345° (Recipiocal 165°). The purpose of including thisthird Position Line in the figure is to show that wherethree or more Position Lines are used, they may notalways intersect at…
Airplanes
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