ILS Procedures
E2-C2 BIFP-06 & IUT BIFP-05
3. Marker beacon lights are synchronized with audio
identification
a. Outer marker passage
(1) Blue light
(2) Tone is two dashes per second at 400 Hz
b. Middle marker passage
(1) Amber light
(2) Tone is dots and dashes at 1300 Hz
c. Inner marker passage
(1) White light
(2) Tone is six dots per second at 3000 Hz
(03-97) Original
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