PROBES
1. PITOT AND STATIC PORTS :
R/H UP IS FOR F/O
R/H DN AUX1
L/H UP CAPT
L/H DN AUX2
CAPT HAS 2 ALTERNATE STATIC PORTS UP AND DN
2. EACH PROBE HAS 1 PITOT AND 2 STATIC PORT
3. ALL PROBE ARE CROSS CONNECTED TO COMPENSATE DATA DURING MANUVER
4. THERE ARE 27 DRAIN TRAP
5. THERE ARE 2 STATIC SOURSE SELECTOR VALVE ARE PNUMATIC OPERATED
6. UPPER PROBE IS I/W LOWER BUT L/H IS NOT I/W R/H
7. PROBE HEAT SW POS :
OFF: AMBER “FAULT” LIT ARE ON
ON: AMBER “FAULT” LIT ARE ON ONLY IF FAILUIRE
TAT TEST: AC POWER SUPP TO TAT HEATER (BYPASS GND RELAY) SO TAT LIT WILL OFF UNLESS FAIL
8. TAT HEAT ON GND IS DISABLED
9. CAPT PROBE SUPP FROM AC ESS BUS AND F/O FROM NORM BUS#2
10. P/S PROBE ON 747-SP HAS A DIFFERENT P/N
11. HEATER FAIL IF SW ON “PROBE HEAT” LIT ON P2 AND “FAULT” LIT ON CONT PNL
12. SOURSE SEL VLVS(NORM AND ALT ) ARE LOCATED IN SIDE WALL OF COCKPIT
13. PNEU INSTRUMENT :
V/S IND: (0±6000 FT/MIN) HAS ZERO ADJUSTMENT ON FACE
ALTEMETER: (-1000FT TO 50000FT) HAS VIB MECHANISM TO REDUCE FRICTION
MACH A/S IND:
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