Cessna 152 - Supplement: Cessna 400 Marker Beacon (Type R-402 A)

PILOT'S OPERATING HANDBOOK CESSNA 400 MARKER BEACON
SUPPLEMENT (TYPE R-402A)
SUPPLEMENT
CESSNA 400 MARKER BEACON
(Type R-402A)
SECTION 1
GENERAL
The system consists of a 75 MHz marker beacon receiver, three
indicator lights, a speaker/phone selector switch, a HI-LO-TEST switch
for sensitivity selection and test selection, a light dimming control, an
ON/OFF/VOLUME control, and a 75 MHz marker beacon antenna.
This system provides visual and aural indications of 75 MHz ILS
marker beacon signals as the marker is passed. The following table lists
the three most currently used marker facilities and their characteristics.
MARKER FACILITIES
MARKER IDENTIFYING TONE
Inner & Fan Continuous 6 dots/sec (300 Hz)
Middle Alternate dots and dashes (1300 Hz)
Outer 2 dashes/sec (400 Hz)
LIGHT*
White
Amber
Blue
* When the identifying tone is keyed, the respective indicating
light will blink accordingly.
Operating controls and indicator lights are shown and described in
Figure 1.
1 July 1978
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