TM 1–1520–238–T–3
8–306
Change 4
8–1164 SIGNAL NAME:
PITCH TO RHE (ACY) PITCH AID (ACZ)
MEMORY LOCATION: 001457
MEMORY DATA BIT(S):
4–19
(SCALAR)
CONDITION:
Monitor HOD; memory location response should indicate negative (sixth digit =1) when
pitch is downward and positive (sixth digit=0) when pitch is upward.
SIGNAL FUNCTION:
Provides aircraft gyro pitch to RHE.
REMARKS: From HARS through FCC to RHE.
PASS:
If CONDITION corresponds to correct pitch, go to paragraph 8–1165.
FAIL: Location of fault: go to Chapter 6, paragraph 6–13.
8–1165 SIGNAL NAME:
MSL ACQAID EL TO RHE (ACY) ACQAID EL CMD (ACZ)
MEMORY LOCATION: 001461
MEMORY DATA BIT(S):
4–19
(SCALAR)
CONDITION:
Monitor HOD; memory location response should indicate negative (sixth digit =1) when
elevation angle is down and positive (sixth digit=0) when elevation angle is up.
SIGNAL FUNCTION:
Provides pylon corrected acquisition aid elevation angle to RHE.
REMARKS: Acquisition aid from FCC to RHE.
PASS:
If CONDITION corresponds to correct elevation, go to paragraph 8–1166.
FAIL: Location of fault: if TADS is selected go to Chapter 15, paragraph 15–221, if IHADSS is
selected go to Chapter 7, paragraph 7–58.
8–1166 SIGNAL NAME:
MSL ACQAID AZ TO RHE (ACY) ACQAID AZ CMD (ACZ)
MEMORY LOCATION: 001462
MEMORY DATA BIT(S):
4–19
(SCALAR)
CONDITION:
Monitor HOD; memory location response should indicate negative (sixth digit =1) when
azimuth angle is left and positive (sixth digit=0) when azimuth angle is right.
SIGNAL FUNCTION:
Provides pylon corrected acquisition aid azimuth angle to RHE.
REMARKS: Acquisition aid from FCC to RHE.
PASS:
If CONDITION corresponds to correct elevation, go to paragraph 8–1167.
FAIL: Location of fault: if TADS is selected go to Chapter 15, paragraph 15–222, if IHADSS is
selected go to Chapter 7, paragraph 7–59.
8–1167 SIGNAL NAME:
PYLON POSITION TO RHE (ACY) PYLON POS AID (ACZ)
MEMORY LOCATION: 001465
MEMORY DATA BIT(S):
4–19
(SCALAR)
CONDITION:
Monitor HOD; memory location response should indicate negative (sixth digit =1) when
pylons are in ground stow and positive (sixth digit=0) when pylons are in flight stow.
SIGNAL FUNCTION:
Provides pylon position to RHE.
REMARKS: From FCC to RHE.
PASS:
If CONDITION corresponds to correct elevation, go to paragraph 8–1168.
FAIL: Location of fault: go to Chapter 11, paragraph 11–8.
