B-747 Oral Question Bank & Review AC Gen, Limitations, & Performance

Question 1

What is the wingspan of the 400F / -8?

Answer 1

213 feet (64.9 meters)
224.5 feet (68.4 meters)

Question 2

With body gear steering, what is the
minimum width of pavement for a 180 degree turn of the 400F / -8?

Answer 2

4 153 feet (46.6 meters)
8 172 feet (52.4 meters)

Question 3

What happens when you rotate the Oxygen Mask Emergency/Test selector to emergency?

Answer 3

Supplies 100% oxygen under positive pressure at all cabin altitudes, and protects against smoke and harmful vapors
FCOM, VOL 2; 1.30.25 16

Question 4

With the Emergency (EMER) Lights Switch ARMED, when do the emergency lights
illuminate?

Answer 4

If airplane electrical power (DC) fails or is turned off.

Question 5

What is the electrical power source for the emergency lighting system, and for what duration?

Answer 5

Remote batteries for 15 minutes

Question 6

Where is the portable ELT located on the -400 freighter?

Answer 6

Upper deck lavatory exterior wall

Question 7

IMMEDIATE ACTION ITEMS
Give examples of Immediate Action Items on the Quick Reference Checklist.

Answer 7

• CABIN ALTITUDE-Rapid Depressurization
• ENG 1,2,3,4 AUTOSTART-Aborted Engine start
• Engine Limit or Surge or Stall
• IAS DISAGREE-Airspeed Unreliable
• FIRE ENG 1,2,3,4-Engine Severe Damage or Separation
• Multiple Engine Flameout or Stall

Question 8

What is the maximum Takeoff and Landing Tailwind component for the -400/-8 and LCF?

Answer 8

• 15 knots (LCF-10 KTS)

Question 9

What is maximum headwind component for autoland

Answer 9

• 25 knots

Question 10

What are maximum and minimum glideslope angles for ILS autoland?

Answer 10

3.25 degrees (max); 2.5 degrees (min)

Question 11

What VNAV limitation applies to level-off within 2,000 feet after changing the altimeter setting from QNE to QNH, or QNH to QNE?

Answer 11

Do not use VNAV for level-off if the QNH is less than 29.70in/1006 hPa.
FCOM, VOL 1; L.10.17

Question 12

Without LAND 2 or LAND 3 annunciated, the autopilot
must not remain engaged below what RA altitude?

Answer 12

• 100 feet RA

Question 13

What is turbulent air penetration speed -400 and -8?

Answer 13

• 290 to 310 KIAS/0.82 to 0.85 Mach,
  whichever is lower.
• 310 KTS/0.83 Mach.

Question 14

What is the minimum in-flight fuel temperature for the -8?

Answer 14

• -48◦C

Question 15

What is the maximum altitude for flap extension?

Answer 15

• 20,000 feet
  FCOM, VOL 1; L.10.15

Question 16

Are operations allowed when the reported braking action is NIL?

Answer 16

• No

Question 17

Name some places you can you can find the maximum takeoff and landing weights for the aircraft
you are operating?

Answer 17

• Page one of the OFP
• FCOM Vol 1 Limitations

Question 18

What is the Difference in the Basic Operating Weight (BOW) on the Operational Flight Plan (OFP) and the Sable Loadsheet? Is there a difference between the Sable and OFP final calculated ZFW and TOGW?

Answer 18

• BOW (OFP) – Basic Operating Weight ( includes weight of all cockpit and cabin crew)
• BOW (Sable) – Basic Operating Weight ( Acft basic wt + 2 crew)

Question 19

What are pitch attitude and N1 for flaps up, level flight cruise, at 35,000 Feet, gross weight 300.0 kgs?

Answer 19

FCOM, QRH; PI.20.5
* Pitch: 2.5 degrees up
* N1: 91.3%

Question 20

What BTMS number on the GEAR synoptic display will cause an EICAS advisory message of BRAKE TEMP?

Answer 20

• 5 or more

Question 21

What is VREF for flaps 30, 300.0 kgs gross weight?

Answer 21

• 157 KIAS

Question 22

What is flap maneuvering speed for flaps 10 gross weight 300.0 kgs?

Answer 22

• 177 KIAS

Answer 23

• 177 KIAS

Question 24

On the 400F, 400C and -8, the Final Upper Deck/Cockpit Procedure requires the FO to do what with the Smoke Barrier Door?

Answer 24

Ensure the door is closed and all three security locks are moved to the locked position.