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Aviation History
1948
1948 - 2093.PDF
December gth, 1948 Vliltort watching aircraft from the roof cafe of the new terminal building. On the edge of the apron tlondi the crowded temporary Control Tower. until directed to land. During the approach on CJDM 228 deg M. starting from the holding beacon, which lies at 048 deg. M. from the runway, cross-bearings on the air- craft are taken by a D/F station 4 miles from the beam. These bearings are then passed to D/F station marked D on the accompanying sketch, which is situated in the direct line of approach and 800 metres from the. runway boundary. Station D also takes bearings on the aircraft and passes both "course to steer." and " distance to go " by R/T, to the captain. The captain must know his required rate of descent, which can be checked as in SB A, on outer and inner marker beacons. A further check occurs when the aircraft passes over station D, for the captain hears the engines of his own aircraft on R/T as it flies over the station. BABS and GCA have been applied for. In addition to normal airfield and approach lighting systems, the approach to runway 230 is equipped with two parallel rows "of red neon tubes for bad visibility conditions. Air traffic throughout Holland from the German border to Belgium, north to 55 deg N and west to 2$ deg E, is controlled by ATC Schiphol for height and direction to fly (there are no traffic lanes) arid aircraft bound for the airport must go over, five minutes before arrival at the homing beacon, to Aerodrome Control under VFR or Approach Control under IFR. Navigation assistance is provided by homing beacons, one of which, situated 4 km north-west of the airport and transmitting continuously on 260 kc/s, is used in conjunction with radio compass. There is also MF D/F, VHF D/F R/T on four channels and MF W/T on the European wavelength 3997. There is a teleprinter service to the immediately neighbouring Control Regidns. restaurant.
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