TM 55-1520-240-23-9
11-280
AFCS INTERFACE TEST
(Continued)
11-280
NOTE
(NO. 1) indicates test applies to No.
1 system.
(NO. 2) indicates test applies to No.
2 system.
85 percent authority (extend or retract
stroke) of ILCA extensible link for
each axis is as follows:
Maximum authority (extend or retract
stroke) of ILCA extensible link for
each axis is as follows:
85%
MAX
Pitch
0.14 inch
0.17 inch
Roll
0.19 inch
0.22 inch
Yaw
0.29 inch
0.34 inch
NOTE
Upper extensible link is part of No. 1
system. Lower extensible link is part
of No. 2 system.
The following tests are included:
TEST
1.
Pitch ILCA Null Test (BOTH)
2.
Pitch ILCA Authority/Phasing Test (BOTH)
3.
Roll ILCA Null Test (BOTH)
4.
Roll ILCA Authority/Phasing Test (BOTH)
5.
Yaw ILCA Null Test (BOTH)
6.
Yaw ILCA Authority/Phasing Test (BOTH)
7.
DASH Actuator Output Motion Test (BOTH)
8.
Longitudinal Cyclic Trim Actuator Output
Motion Test (BOTH)
9.
Collective Cockpit Control Driver Actuator
(CCDA) Servo Loop Operation Test (No. 1)
10. CCDA Thrust Control Drive Test (No. 1)
11. Directional (Yaw) CPT Null and Output Test
(BOTH)
12. Lateral (Roll) CPT Null and Output Test (BOTH)
13. Longitudinal (Pitch) CPT Null and Output Test
(BOTH)
14. Vertical Gyro Validity Test (BOTH)
15. Vertical Gyro Pitch Attitude Test (BOTH)
16. Vertical Gyro Roll Attitude Test (BOTH)
17. Directional Gyro Output Test (BOTH)
18. Horizontal Situation Indicator Null Test (BOTH)
19. Horizontal Situation Indicator Heading Test
(BOTH)
20. Pitch Beep Trim Test (BOTH)
21. Roll Beep Trim Test (BOTH)
22. Cyclic Magnetic Brake Test (BOTH)
23. Collective Magnetic Brake Test (BOTH)
24. Hydraulic Pressure Switch Test (BOTH)
25. Left Landing Gear Proximity Switch Test (Both)
26. Right Landing Gear Proximity Switch Test
(BOTH)
27. Landing Gear Swivel Lock Test (BOTH)
28. BITE Enable Test (BOTH)
29. AFCS Heading Engage Test (BOTH)
30. Radar Altimeter Select Test (No. 1)
31. Radar Altimeter Validity Test (No. 1)
32. Barometric Altimeter Select Test (No. 1)
33. AFCS Select Signal Test (BOTH)
11-1169
