MacDonald, Alexander Forsyth, 1897-1965 · Port Credit, Ont. : Aviation Service Corporation · leaf 114
a projection resembling a half-moon shaped disk standing on its edge. Its verticalplane is aligned with the runway and its purpose is tokeep the pilot lined up with the runway during hisapproach. The other is the GLIDE PATH BEAM. Thisis a projection shaped like a platter lying on its side.This beam… … Fig. F. The Inslrument Landing System. CROSS POINTER INDICATOR. (Insert in Fig. F).The crossed pointers give the pilot his directions. Ifhe gets off to the right or left of the approach to therunway, the vertical needle tells him wnicn side andhow far. The horizontal needle tells him when he…
Airplanes
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