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COLONIAL AIRLINES, INC.

TO: ALL PILOTS & DISPATCHERS       DATE: 12/10/47


[underlined] Washington, D.C. [/underlined]

Washington ILS. Old Outer Marker located 3.6 miles from S end of N-S runway decommissioned this date. New outer marker located 5.2 miles from S end of N-S runway latitude 38 degrees 45 minutes 58 seconds North longitude 77 degrees one minutes 46 seconds W commissioned this date. frequency 75 MCS modulation 400 cycles keyed 2 dashes per second. Altitude of Glide Path intersection at the new outer marker 1560 feet above sea level.