ATR 72-600 Automatic Flight Control
System Exam Questions and Answers
with Verified Solutions | Latest Updated
2026
What does the AFCS provide? - AP with auto pitch trim.
(4)
- Rudder auto trim.
- YD and turn coodination.
- FD.
What are the mani - CACs-FGCP
components of the AFCS
system? (3) - ICPs
What are the servos actuators PITCH Auto Pilot Actuator Unit
used and their axis? (APAU-P) ROLL Auto Pilot Actuator
Unit (APAU-R) YAW Auto Pilot
Actuator Unit (YDAU)
How are the Actuators Parallel with the flight control
mounted? linkage and are equipped with a
clutch.
What does the AFCS exchange - ADC x2
data with? (7)
- AHRS x 2
, - MFC x 2
- MPC x 2 (FDAU)
- Power Trim Box-DUs x 5
- NAV Sensors (VOR, ILS, MKR, RA)
How does the AFCS interface - FGCP-ICP
with the crew?
- PFD-MFD
What are the 4 "columns" in - Ice Detection-Lateral
the FMA? Modes-Vertical Modes-AFCS Status
What are the 2 text lines in - Engaged Mode.
each FMA "column" dedicated
to? - Armed Mode.
What is the third line in each - AFCS Trim Status-APP Capability
FMA "column" dedicated to? CAT-AFCS Status
(4) messages-Unexpected mode
changes or Abnormal NAV SRC.
How is Bank Angle Limitation By comparing current aircraft speed
calculated? with VmHB
When is HI BANK selected? When IAS> VMHB+5
Where and how is the Bank At the top of the AHRS with 2 sets of
Angle Limit displayed? green "ticks"
System Exam Questions and Answers
with Verified Solutions | Latest Updated
2026
What does the AFCS provide? - AP with auto pitch trim.
(4)
- Rudder auto trim.
- YD and turn coodination.
- FD.
What are the mani - CACs-FGCP
components of the AFCS
system? (3) - ICPs
What are the servos actuators PITCH Auto Pilot Actuator Unit
used and their axis? (APAU-P) ROLL Auto Pilot Actuator
Unit (APAU-R) YAW Auto Pilot
Actuator Unit (YDAU)
How are the Actuators Parallel with the flight control
mounted? linkage and are equipped with a
clutch.
What does the AFCS exchange - ADC x2
data with? (7)
- AHRS x 2
, - MFC x 2
- MPC x 2 (FDAU)
- Power Trim Box-DUs x 5
- NAV Sensors (VOR, ILS, MKR, RA)
How does the AFCS interface - FGCP-ICP
with the crew?
- PFD-MFD
What are the 4 "columns" in - Ice Detection-Lateral
the FMA? Modes-Vertical Modes-AFCS Status
What are the 2 text lines in - Engaged Mode.
each FMA "column" dedicated
to? - Armed Mode.
What is the third line in each - AFCS Trim Status-APP Capability
FMA "column" dedicated to? CAT-AFCS Status
(4) messages-Unexpected mode
changes or Abnormal NAV SRC.
How is Bank Angle Limitation By comparing current aircraft speed
calculated? with VmHB
When is HI BANK selected? When IAS> VMHB+5
Where and how is the Bank At the top of the AHRS with 2 sets of
Angle Limit displayed? green "ticks"
