Flightcom Intercom Models 403 and 403d are full dual-channel stereo capable units also compatible with
monaural headsets. Installation of up to six places is possible with the jacks included with both models. Three
of these six places have transmit capability over aircraft radios. Model 403d also includes the Digital Clearance
Recorder (DCR™), which enables instant recall of voice information.
SYSTEM OVERVIEW
SPECIFICATIONS
Size: 5”L x 2.4”W x 1.2”H
Weight: 5.0/5.6 oz.
Output: 375 milliwatts into each channel of up to six 150 Ohm headsets. Sound level remains constant
regardless of the number or the type of headsets connected. Power Requirements: 0.16 amps, 12-28 VDC
Warranty: two year parts and labor
PARTS LIST
403 or 403d intercom, labeled
Accessory Package:
1 25-pin D-sub connector (male)
1 25-pin D-sub connector housing
1 Large control panel
1 Small control panel
2 Knobs
6 Stereo/mono switches with
mounting nuts and washers
2 4-40 mounting screws
6 Stereo/mono control panels
4 6-32 screws
1 Allen wrench
Manual
Warranty Card
Model 403d also contains:
1 Wiring harness for DCR, with button, switch, and LED
1 DCR control panel
2 LED holders
2 Sheet metal mounting screws
Figure 1
-
Model 403/403d Typical Connection Configuration
ICS
Isolate
FLIGHTCOM 403
Sq
Vol
STEREO
Optional
DCR Control Panel
Optional
PTT Switches for 1-3 places
FLIGHTCOM 403
HEADSET JACKS
for 2-6 Places
Optional
Stereo or
Mono
ICS
Squelch
Volume
Isolate
403
INTERCOM
Optional
SMALL Panel
Headphone
Mono
Stereo/Mono
Switch Panels (2-6)
Microphone
Jack
Aircraft Radio
Audio Panel Optional
PLAY
RECORD
START
Digital
Clearance
Recorder
®
Figure 1
- Model 403/403d Typical Connection Configuration
Jack package:
6 Headphone jacks
6 Microphone jacks
12 Metal nuts
12 Metal washers
6 Black fiber shoulder washers
6 White nylon or fiber washers