65C Specific EPs

Question 1

1) AFCS caution light on
2) Pitch and roll channel lights flashing
3) Pitch and roll channels disengaged
4) ATT flag on associated ADI may be visible
5) FDS command bars/pointer disappear (CP att failure only)

Answer 1

Attitude Gyro Failure (“Gyro/FDS/AFCS,” pg 105-107)

1) Flight controls - stabilize aircraft
2) AFCS gyro selector switch - move in direction of operating gyro
3) AFCS - reengage
etc

Question 2

1) Uncommanded movement about the pitch and/or roll axis

2) ADI does not indicate true aircraft attitude

Answer 2

Attitude Gyro Failure During Reversionary Operation (“Gyros/FDS/AFCS,” pg 107)

1) Flight controls - stabilize aircraft
2) AFCS pitch and roll channels - disengage
etc

Question 3

1) Red HDG failure flag on affected MFD
2) Yellow CWM failure flag on good MFD
3) STAT page FAIL line - HDG1 or HDG2
4) Incorrect or spinning heading display
5) FMS wind information lost (dual only)
6) Degraded heading hold capability (CP only)
7) Flag on BDI (CP only)

Answer 3

Heading Gyro System Failure (“Gyros/FDS/AFCS,” pg 107-109)

1) Flight controls - stabilize aircraft
etc

Question 4

1) Rate of turn pointer out of view on affected ADI
2) AFCS caution light illuminated
3) Yaw channel light flashing
4) AFCS yaw channel disengaged

Answer 4

Yaw Rate Gyro Failure (“Gyro/FDS/AFCS,” og 109-110)

1) Flight controls - stabilize aircraft
etc

Question 5

1) AFCS pitch and roll channels disengaged
2) Pilot and copilot ADI, attitude, and heading gyros failed
3) Loss of cockpit instrument lighting
4) Loss of all AC powered equipment

Answer 5

Dual AC Bus Failure (“Electrical,” pg 81-84)

1) Flight controls - stabilize aircraft

Question 6

1) One 26VAC FAIL light illuminated
2) AFCS pitch and roll channels disengaged
3) ADI, attitude gyro, and heading gyro failed on one side of the instrument panel
4) All equipment on one main AC bus inoperative and/or loss of components powered by single phase 115VAC and 26VAC from the respective transformer
5) Alternator FAIL light illuminated (in some cases)
6) BTC CLOSED light illuminated (in some cases)

Answer 6

AC System Failure (“Electrical,” pg 84-85)

1) Flight controls - stabilize aircraft
2) AC 26V XFER switch - push in the direction of the illuminated fail light
3) AFCS - reengage
etc

Question 7

1) Loss of all equipment on one main DC bus to include, but not limited to (etc)
2) SERVO JAM, SECONDARY HYDRAULIC ISOLATE, and HEAT O/HEAT warning lights
3) Loss of radar display on MFD2
4) Associated generator FAIL light illuminated
5) Associated battery relay OPEN light illuminated

Answer 7

Main DC Bus Short (“Electrical,” pg 86-88)

1) Flight controls - stabilize aircraft
2) Affected audio control panels - ALTN
etc

Question 8

1) Annunciation of the VSTATUS in CDUs
2) STAT page FAIL line - OADS
3) NO BINGO annunciation on CDU
4) AIRSPEED FAIL on hover display

Answer 8

Omnidirectional Air Data System (OADS) Failure (“FMS/COMMS,” pg 135-136)

1) OADS CBs - pull, reset
If malfunction persists:
2) OADS CBs - pull
3) Continue flight as appropriate