Essential features of problem of air marking, signaling and guidance; provisions of frequent and legible compass indicia on ground; identification of locality by name and distances to other towns; basic data for sign and signals for spreading accurate wind, weather, and storm information to airman; letters less than 20 ft. inadequate; preferable to place letters on ground; French card system.
Marking our airports and airways
Aviation
Aviation ; 25 , n 20
1928
10 Figs.
Article (Journal)
English
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Marking our airports and airways
Engineering Index Backfile | 1928
|Online Contents | 2005
Engineering Index Backfile | 1932
Engineering Index Backfile | 1930
|SLUB | 1929
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