B-747 Oral Question Bank & Review 2022/2023 Questions and Answers(PC)
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Course
B-747
Institution
B-747
B-747 Oral Question Bank & Review 2022/2023 Questions and Answers(PC)
What is the wingspan of the 400F / -8
213 feet (64.9 meters)
224.5 feet (68.4 meters)
What is the minimum width of pavement for a 180 degree turn
With body gear steering 153 feet (46.6 meters)
Without body gear steering 1...
b 747 oral question bank amp review 20222023 questions and answerspc what is the wingspan of the 400f 8 213 feet 649 meters 2245 feet 684 meters what is the minimum width of pavement f
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B-747 Oral Question Bank & Review 2022/2023 Questions
and Answers(PC)
What is the wingspan of the 400F / -8
213 feet (64.9 meters)
224.5 feet (68.4 meters)
What is the minimum width of pavement for a 180 degree turn
With body gear steering 153 feet (46.6 meters)
Without body gear steering 172 feet (52.4 meters)
With the Emergency (EMER) Lights Switch ARMED, when do the emergency lights
illuminate
If airplane electrical power (DC) fails or is turned off
What happens when you rotate the Oxygen Mask Emergency / Test selector to
emergency
Supplies 100% oxygen under positive pressure at all cabin altitudes, and protects
against smoke and harmful vapors
What is the electrical power source for the emergency lighting system, and for what
duration
Remote batteries for 15 minutes
Where is the portable ELT located, on the freighter?
Upper deck lavatory exterior wall.
Give examples of Immediate Action Items on the Quick Reference Checklist
1. CABIN ALTITUDE - Rapid Depressurization
2. ENG 1,2,3,4 AUTOSTART - Aborted Engine Start
3. Engine Limit or Surge or Stall
4. IAS DISAGREE - Airpseed Unreliable
5. FIRE ENG 1,2,3,4 - Engine Severe Damage or Separation
6. Multiple Engine Flameout or Stall
What is the maximum Takeoff and Landing Tailwind component for the -400F/ 08 and
LCF?
15 knots (LCF - 10 KTS)
What is the maximum headwind component for autoland
25 knots
What are maximum and minimum glideslope angles for ILS autoland
3.25 degrees (max)
2.5 degrees (min)
What VNAV limitation applies to level - off within 2,000 feet after changing the altimeter
setting from QNE to QNH, or QNH to QNE
Do not use VNAV for level - off if the QNH is less than 29.70in / 1006 hPa
Without LAND 2 or LAND 3 annunciation, the autopilot must not remain engaged below
what RA altitude
100 feet RA
What is turbulent air penetration speed - 400F and -8
290 to .82 to 0.85 Mach, whichever is lower.
310 KTS / 0.83
,What is the maximum altitude for flap extension
20,000 feet
Are operations allowed when the reported braking action is NIL?
No
What is maximum landing gross weight 400F
302,092 kilograms
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?
BOW OFP = Basic Operating Weight includes weight of all cokcpit and cabin crew
BOW Sable = Basic Operating Weight Aircraft basic weight + 2 crew (Only includes 2
pilots not whole upperdeck occupancy.)
Which manual would you reference to if the Aircraft ZFW was greater than 276,691 and
why?
Weight and Balance Manual
Comply with decreased maximum weight limits when using Variable Zero Fuel Weight
What BTMS number on the GEAR synoptic display will cause an EICAS advisory
message of BRAKE TEMP
5 or more
B747 Oral Question Bank Review - Engines
...
What does the EEC use as the controlling parameter for the GE engines
N1
What protection features are provided in the EEC Normal mode
Thrust limiting
Maintains constant thrust
Over-speed protection
What occurs in the auto-throttle system when any EEC control is switched to alternate
mode
The auto-throttles disconnect, but can be.reconnected when all EEC's have been
switched to alternate mode
What EEC normal mode protection feature is not available in EEC Alternate mode
Thrust limiting at maximum N1
(Maximum thrust can be achieved prior to thrust lever position at full forward)
When does the EEC select approach idle
Flaps in a landing position
Continuous ignition switch is ON
During thrust reverser operation
What action should be taken prior to manual selection of EEC alternate mode
, Decrease thrust lever position
(Thrust does not change when the EEC auto transfers control from normal mode to
alternate mode)
What happens when you turn the Continuous (CON) IGNITION Switch ON
Selected igniters operate continuously
Commands approach idle minimum
What two engine indications are displayed full time on the primary EICAS
N1 & EGT
What color does the EGT change to if the EGT start or takeoff limit is reached
Red
If the airborne vibration monitoring system cannot determine the source of the vibration
(FAN, LPT, NT) it will display "BB". What does this mean?
Broadband
(Broadband vibration is the average vibration detected)
What 3 items will the auto start protect from during and engine start that also will result
in an ENG 1,2,3,4 AUTOSTART (Amber) EICAS message
Hot start
Hung start
No EGT rise
How is the engine thrust reverser actuated on the GE B747-400F
Pneumatically actuated fan air
With an engine shut down, what does "X-BLD" indicate when displayed next to the N2
indication
Crossbleed air is recommended for start
When is ignition selected for all engines
1. Trailing edge flaps are out of the up position
2. Continuous ignition switch is ON
How many igniters are selected for ground start , and how many for in-flight start
One igniter for ground start
Two for in-flight start
B-747 Oral Question Bank Review - APU
...
When does the EICAS memo message APU RUNNING display
When the APU selector is ON and APU N1 RPM exceeds 95% N1
Is electrical power available from the APU in flight
No
Can the APU be operated in flight
Yes
When left running for takeoff it can be operated in flight up to 20,000 feet
How long should you wait before turning the battery switch OFF after the APU selector
is rotated to OFF and why
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