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IAD - WASHINGTON DULLES INTL
WASHINGTON, DC
INSTRUMENT APPROACH TO RUNWAY 12
APPROACH AIDS INFORMATION AS PUBLISHED ON 25 SEPTEMBER 2008
ILS (CAT. I) RWY 12
Approach bearing
Magnetic bearing: 121
True bearing: 112
Magnetic variation: 09W
Localizer information
Type: LOC
Frequency: 109.30 MHz
Identification code: I-AJU .. .- .--- ..-
Antenna location: 38-55-57.512N / 077-27-09.392W
Glide slope information
Type: STANDARD GLIDE SLOPE
Glide slope angle: 3.00 degrees
Antenna location: 38-56-30.399N / 077-29-15.535W
-1000 ft. in from approach end of runway 12
Runway elevation at GS: 307.50 ft. MSL
Outer marker information
Type: OUTER MARKER BEACON ONLY
Name: ARCOA
Location: 38-58-35.605N / 077-36-09.913W
5.6 nm (34097 ft.) from the approach end of runway 12
Middle marker information
Type: MIDDLE MARKER BEACON ONLY
Location: 38-56-47.196N / 077-29-58.374W
0.5 nm (2766 ft.) from the approach end of runway 12
No inner marker navaid
Remarks
