AW 139 AFCS

Question 1

The AFCS functions is supplied by modules

Answer 1

b. In the Modular Avionics Unit (MAU)

Question 2

The commands to the linear actuators are transmitted through

Answer 2

a. The Control Area Network bus

Question 3

A dual AP system is installed

Answer 3

c. To keep the aircraft stable if a single system equipment failure occurs

Question 4

The ATT mode

Answer 4

a. Is the default mode when the autopilot is engaged

Question 5

When both APs are engaged

Answer 5

c. The two actuators operate in parallel to get full command on an axis

Question 6

The cyclic FTR switch when pressed allows the pilot to disengage the clutches as the following

Answer 6

a. Power ON/Clutch OFF

Question 7

The detent switch in the lateral force feel assembly when sensed in open condition

Answer 7

c. The AP cause the command to the lateral trim motor not to operate

Question 8

The pilot usually uses the cyclic FTR switch for

Answer 8

b. Larger changes in the aircraft pitch and roll attitude

Question 9

With the cyclic FTR switch pressed while in the HDG mode

Answer 9

c. The AP roll channel ignores the HDG command

Question 10

The IAS mode automatically dissengages

Answer 10

b. When the air-speed goes below 55 Kts

Question 11

The ALT mode can disengaged by

Answer 11

b. Any other vertical mode selected in the three-cue configuration

Question 12

The two AIOP modules inside each MAU operate as follows

Answer 12

c. One module operates as the command lane, while the second operates when the first fails

Question 13

With the coupled (CPL) LED illuminated, what when the CPL button on the Autopilot Controller is pressed

Answer 13

b. The flight director is uncoupled from the autopilot

Question 14

When the PFD button on the Guiadance Controller is pressed

Answer 14

a. The pilot determines which PFD is supplying primary data to the autopilot

Question 15

The FMS AUTO-TUNING feature for the NAV receiver

Answer 15

c. Can be set through the Multifunction Control Display Unit

Question 16

The FMS enters the dead reckoning (DR) when

Answer 16

c. An invalid GPS and radio position is detected

Question 17

The FMS choose the best position source among all NAV sensors inputs for the FMS position update

Answer 17

c. The GPS, the radio position and the AHRS

Question 18

The FMS supplies guidance for the flight of search and rescue patterns about a specified waypoint. The pilot must enter

Answer 18

c. The pattern only

Question 19

The FMS can be interfaced with the AFCS through the LNAV mode engagement on the Guiadance Controller

Answer 19

b. This mode will be active when some conditions are met only

Question 20

The software for the FMS function is installed

Answer 20

a. On the NIC/PROC module in the Modular Avionics Unit no.1 and 2

Question 21

The Decision Height is entered using

Answer 21

c. The Remote Instrument Controller

Question 22

The DH PUSH TEST button on the RIC

Answer 22

a. Tests the Radio Altimeters

Question 23

When the PUSH SYNC button is pressed

Answer 23

c. The Heading Bug aligns with current aircraft heading

Question 24

The Display Controller Controls allows the pilots to

Answer 24

c. Select the BRG no.1 and 2 pointers, the ALT SEL, the HSI, the MAP format and the WX format

Question 25

Which Modular Avionics Unit (MAU) is considered “Master” between the two?

Answer 25

a. Always the MAU No.2

Question 26

At what speed is the Indicated VS (Vertical Speed) mode automatically disengaged?

Answer 26

b. When the airspeed goes below 55 KIAS

Question 27

28. What is the function of the primary flight display (PFD) button on the guidance controller?

Answer 27

Allows the pilot to determine which PFD is supplying primary data to the AP.

Question 28

29. What happens if a different PFD button is pressed on the guidance controller with a guidance mode selected?

Answer 28

The guidance mode is disengaged.

Question 29

30. The minimum airspeed to engage a flight director mode(s) is:

Answer 29

60 KIAS