SAAB 340B Auto Pilot and Flight Director

Question 1

What does an amber RUD, AIL, EL annunciation on the EADI indicate?

Answer 1

Servoactuator overload

Question 2

What does a Red AUTO TRIM on the CWP indicate?

Answer 2

Failure of the Elevator or Rudder autotrim system

Question 3

What does a DCP light indicate?

Answer 3

Display control panel failure

Question 4

What functions are lost with a DCP failure?

Answer 4

DH function, ability to change NAV course

Question 5

What functions are not selectable from the Mode Select Panel?

Answer 5

GA, PTCH and ALTS

Question 6

What is displayed when GA is pushed?

Answer 6

Heading hold and 6.4 deg nose up

Question 7

What is GA mode programed for?

Answer 7

Single engine

Question 8

What is the function of ½ bank?

Answer 8

Bank angle 27 to 13.5 deg in HDG and NAV

Question 9

When is ½ bank inhibited?

Answer 9

During APPR mode after course capture - NAV mode capturing a localizer

Question 10

What will cause the Auto Pilot to disconnect?

Answer 10

Switch off - Pushing AP disconnect button

Question 11

What will cause the Auto Pilot to disconnect?

Answer 11

Switch off - Pushing either GA button

Question 12

What will cause the Auto Pilot to disconnect?

Answer 12

Switch off - Using Main or Standby Pitch trim

Question 13

What will cause the Auto Pilot to disconnect?

Answer 13

Switch off - A/P F/D failure

Question 14

What will cause the Auto Pilot to disconnect?

Answer 14

Switch off - Stall warning

Question 15

What warning is not overridden by the Auto Pilot disconnect?

Answer 15

Stall Warning

Question 16

What performance does CLIMB mode give?

Answer 16

At least 100 fpm climb till stall speed

Question 17

What are the three speeds for CLIMB mode?

Answer 17

High 180, Med 160, Low 140

Question 18

What vertical mode is approved for climbing in icing?

Answer 18

IAS only

Question 19

What does the NAV mode in white indicate?

Answer 19

NAV is armed

Question 20

When in APPR mode can the FD command bars be cancelled?

Answer 20

No

Question 21

How is back course selected on the FD?

Answer 21

ILS front course is set, auto displays BC - Silver is not approved for ILS BC

Question 22

What indications are displayed on the EADI for Back course approach?

Answer 22

LOC upper left, VS upper right, BC replaces GS

Question 23

While in GS captured, pressing the pitch wheel will do what?

Answer 23

Nothing, inhibits the pitch wheel

Question 24

What is the flight advisory speed?

Answer 24

Airspeed based on altitude a medium A/C weight for best LRC

Question 25

Where is the advisory speed displayed?

Answer 25

Upper right corner of EADI, ALT or ALTS captured

Question 26

DR displayed in upper left while in NAV?

Answer 26

Dead reckoning

Question 27

Will GS capture before LOC?

Answer 27

No

Question 28

What indicated the YD has disengaged?

Answer 28

Left side EADI, Yellow box with YD

Question 29

After takeoff when can the auto pilot be engaged?

Answer 29

500 feet or acceleration, whichever higher

Question 30

On a LOC approach, when must the AP be disconnected?

Answer 30

Before going below MDA

Question 31

On an ILS approach, when must the AP be disconnected?

Answer 31

Before going below 200 feet AGL

Question 32

On an ILS approach, when must the AP be disconnected?

Answer 32

Before going below 500 feet AGL

Question 33

When is the yaw damper not authorized?

Answer 33

Takeoff, Go-around, Landing

Question 34

What two ways can the heading bug be moved?

Answer 34

HDG knob, Knob on AP panel

Question 35

What is the difference with APPR and NAV mode on an ILS?

Answer 35

APPR will track GS, NAV will not

Question 36

What is the purpose of the NAV L/R buttons on the glare shield?

Answer 36

Couples L or R nav source to FD’s

Question 37

How is the NAV mode cleared?

Answer 37

Selecting HDG, APPR, GA

Question 38

What basic modes are displayed after initial power up for the FD?

Answer 38

HDG and VS