B747-200/300 NAV-ATC

ATC

1.       A SUPPRESSION LINE SENT TO DME TO PREVENT INTERFERANCE

2.       FRQ IS 960 TO 1220MHZ

3.       ANT IS BLADE TYPE BOTH LOWER CAN I/W DME ANT              

4.       TCAS AND ATC’S ARE IN 500VU(FRONT OF W/R TR)

5.       ATC EMR CODES IS 7500,7600,7700

6.       CONT PNL POWERED BY 401XP THEN ATC#1 ALSO NORM BUS THEN TO ATC#2

7.       WARN PRIORITY:   1.STALL        2. WINSHEAR      3. EGPWS     4. TCAS

8.       TCAS HAS 2 ANT TOP AND DOWN

9.       TCAS POWERED FROM AC EMR BUS

10.   TCAS IS INTROGATOR BUT ATC IS TRANSPONDER