Flying altitude and visibility; required intensity and power of beacons; curves showing interdependence of light intensity of beacons, visibility conditions of atmosphere and flying altitude; revolving reflector beacons and Fresnel belt lens lights of A.E.G.; light signals for airports and flying routes.
Night flying routes -- Beacons
Nachtflugstrecken-Befeuerung
Licht und Lampe ; 18 , n 5
1929
3 pages
6 Figs.
Aufsatz (Zeitschrift)
Deutsch
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