SYS 3

Question 1

Steady IRU “NAV OFF” Light means:

Answer 1

A - Aligning (for 10 minutes)
O - Off (When IRU selected off)
F - Failed (When IRU fails)

Question 2

Flashing IRU “NAV OFF” Light means:

Answer 2

NO, BAD, MOVE

NO INIT (haven’t pushed “Initialize IRS *” prompt within 10 minutes of selecting IRU to NAV.

BAD present position loaded (> 1 degree from shutdown coordinate, about 60 nm.

MOVE-ment during the align process.

Question 3

CADC provides what info on PFD/ND

Answer 3

SPEEDS AND ATL’s

• Airspeed Tape
• Top Foot
• Altitude Tape
• TAS

Question 4

IRU provides what info on PFD/ND

Answer 4

AXIS MOTION ITEMS AND GROUND SPEED

• Attitude
• Heading (True and Magnetic)
• Vertical Speed
• Ground Speed
• Position

Question 5

APU on the ground provides:

Answer 5

Electric and Air

Question 6

APU in flight

Answer 6

Electric Only

Question 7

Trim Air Manifolds run through:

Answer 7

The Avionics Bay

Question 8

“ECON” (air panel) will auto ON/OFF:

Answer 8

For various reasons including SMOKE ELECT/AIR switch operation. Most normally used during delayed engine start.

Question 9

“AVNCS FAN” “FLOW” Switch Light Illuminated

Answer 9

C.P.A.

• Cooling (Insufficient air for cooling, avionics or CAC)
• Pressurization (Cabin inflow is insufficient for press)
• Alt (Cabin Alt is above 10,000’

Question 10

“CAB ALT” >10,000’ in “AUTO” or “MAN” has what result on the air system?

Answer 10

ECON off (Packs at high flow)

Question 11

“NO MASKS” light

Answer 11

Masks didn’t drop by 14,770’
Button only functional after the light comes on.
Hold switch for 3 seconds to drop masks in LAV/CRA

Question 12

“AVNCS OVHT” Light

Answer 12

Assumes leak in trim air manifold.

Betty closes both Trim Air PRV’s in Auto or Manual.

Question 13

CABIN AIR “SMOKE/OFF” switch

Answer 13

In AUTO or MANUAL: (Only AFTER you push the switch) - closes Cargo Zone Conditioned Air S/O Valve.

Question 14

Should you connect 2 or more Eng. pneumatic supply systems?

Answer 14

NO

Question 15

“MANF” light on #1

Answer 15

Leak between #1 Engine and Fuselage

Question 16

“MANF” light on # 1 & #2

Answer 16

Leak in Left forward tunnel, forward of CAC

Question 17

“MANF” light on #2 only

Answer 17

Leak aft of the CAC

Question 18

“MANF” light on # 3 only

Answer 18

Leak between #3 engine and fuselage or right forward tunnel.

Question 19

“MANF” light all 3 systems

Answer 19

Leak in CAC

Question 20

Number of pressurization controllers

Answer 20

2 controllers, 1 channel each

Question 21

Max Dif Press on Ground

Answer 21

.5 psid

Question 22

Pressurization system maintains 100’< Field Elevation on takeoff until when?

Answer 22

5000’ AFE for emergency return.

Question 23

Eng 2 Anti-Ice Duct Overheat Indications Dual Shroud

Answer 23

Level 1 Alert “ENG 2 A-ICE DUCT”

OK to use system.

Question 24

Eng 2 Anti-Ice Duct Overheat Indications Single Shroud

Answer 24

Level 1 Alert “SEL ENG 2 AI OFF” transitions to
“ENG 2 AI OFF” when selected off.
or
Level 3 Alert “ENG 2 A-ICE DUCT” if valve doesn’t close (fails to self protect).

Question 25

Center Cargo Compartment Temp Control:

Answer 25

Heated only, no ventilation. No pilot control.

Question 26

Is there PACK air to the lower cargo compartments?

Answer 26

NO

Question 27

Cargo Fire LWR AFT combines what two compartments for Cargo Fire purposes?

Answer 27

Center and Aft

Question 28

Cargo Fire FWD OR AFT Flow DISAG light meaning

Answer 28

Betty has shut off Ventilation fan while Heat/Smoke are present. QRH directs you to select switch to off.