Rev 3 Flashcards
Wingspan of 400/-8
213’/64.9M
224.5’/68.4M
With body gear steering, what is the minimum pavement width for a 180 degree turn?
153’/46.6M
172’/52.4M
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.
With the emergency lights switch armed, when do the emergency lights illuminate?
If airplane DC power fails or is turned off
What is the electrical power source for the emergency lighting system and how long does it last?
Remote batteries, 15 minutes
Where is the portable ELT located on the -400 freighter?
Upper deck lavatory exterior wall (OSHA wall)
What are the immediate action item checklists?
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
Evacuation
What is the maximum takeoff and landing tailwind component?
15 kts (10 kts for LCF)
What is the maximum headwind component for autoland?
25 kts
What are the maximum and minimum glideslope angles for ILS autoland?
2.5 - 3.25 degrees
What VNAV limitation applies to level-off within 2,000’ 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 29.70”/1006hPa
Without LAND 2 or LAND 3 annunciated, the autopilot must not remain engaged below what RA altitude?
100’ RA
What is the turbulent air penetration speed?
400: 290-310 kts / 0.82 - 0.85 Mach
-8: 310 kts / 0.83 Mach
Whichever is lower
What is the minimum in flight fuel temperature for the -8?
-48C
What is the maximum altitude for flap extension?
20,000’
Are operations allowed when the reported braking action is NIL?
No
Where can the maximum takeoff and landing weights be found?
- Page one of the OFP
- FCOM Vol 1 Limitations
What is the difference in the basic operating weight (BOW) on the OFP versus the Sable load sheet? Is there a difference between the Sable and OFP final calculated ZFW and TOGW?
OFP BOW includes all cockpit and cabin crew
Sable BOW only includes 2 crew, adds more via additional crew members (ACM)
Final ZFW and TOGW are the same
Performance in flight: pitch and N1 at designated altitude and weight
QRH: PI.20.5
What BTMS number on the GEAR synoptic display will cause an EICAS advisory message of BRAKE TEMP?
5 or more, hottest brake indication 10-15 minutes after airplane has come to a complete stop
Performance in flight: VREF for flaps and weight combination
QRH: PI.20.1
Performance in flight: flap maneuvering speed for flap setting and weight
QRH: PI.20.1
On the 400F, 400C, and -8, the final upper deck/cockpit procedure requires the FO to do what with the smoke barrier door?
Ensure the door is closed and all three securing locks are moved to the locked position
In the normal mode, what does the EEC use as the controlling parameter for the GE engines? For PW engines?
GE: N1
PW: EPR
What protection features are provided in the EEC normal mode?
Thrust limiting
Constant thrust
Overspeed protection
What occurs with the autothrottle system when any EEC control is switched to alternate mode?
The autothrottles disconnect, but can be reconnected when all EECs have been switched to alternate mode
What EEC normal mode protection feature is not available in EEC alternate mode?
Thrust limiting at maximum N1 (max thrust can be achieved prior to thrust lever position at full forward)
When does the EEC select approach idle?
Nacelle anti-ice is ON
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
Note: Thrust does not change when the EEC auto transfers control from normal mode to alternate mode
What happens when you turn the continuous ignition switch (CON) ON?
Selected igniters operate continuously
Commands approach idle minimum
What two engine indications are displayed full time on the primary EICAS on a GE?
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 three items will the autostart system protect the engine from during an engine start that will also result in an ENG 1, 2, 3, 4 AUTOSTART EICAS message?
Hot start
Hung start
No start (no EGT rise)
How is the engine thrust reverser actuated on the GE engine
Pneumatically actuated fan air
How is the engine thrust reverser actuated on the PW engine?
Powered by hydraulic pressure from the related hydraulic system to actuate the fan air thrust reversers
How is the engine thrust reverser actuated on the GEnx B747-8?
Hydraulically actuated fan air
With an engine shut down, what does “X-BLD” indicate when displayed next to the N2 indication?
Cross bleed air is recommended for in-flight start
When is ignition selected for all engines?
Trailing edge flaps out of the up position
Continuous ignition switch is ON
How many igniters are selected for ground start and how many for in-flight start?
One for ground start
Two for in-flight start
What are the PW engine warm up requirements for oil temperature before takeoff?
Above the lower amber band
The GENX2B67 engine EECs command ice crystal icing ant-icing when ice crystal icing conditions are detected at altitudes higher than ______
30,000’
The GENX2B67 ice crystal anti-icing cycle continues for ___ minutes as long as ICI conditions are detected or the airplane descends below _____ feet.
15 minutes
28,000’
When does the GENX2B67 engine select minimum or approach idle?
Engine anti-ice ON
Landing gear down
Flaps 20 selected
Flaps in a landing position
Thrust reverser operation
Under what conditions on the ground will the GEnx EEC shut down an engine to provide protection against thrust asymmetry due to a control malfunction?
Thrust lever at/near idle AND engine above commanded N1 speed and not decelerating normally
During engine start, when will the GEnx engine provide an additional 40 seconds of motoring at ~20% N2?
Engine has been shut down between 30-360 minutes
EGT is greater than 30C
During engine start, the GEnx engine EEC will attempt corrective action for the following conditions:
Hot start
Hung start
No start (no EGT rise)
Compressor stall
GEnx engine in-flight start attempts will increase EGT limit by 25C after four start attempts and will repeat this action on subsequent re-attempts until?
Start is achieved or EGT limit is reached
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’
How long should you wait before turning the battery switch OFF after the APU selector is rotated to OFF and why?
2 minutes
Allows a complete shutdown sequence with fire detection capability
What are the main AC electrical power sources on the LCF?
Four IDGs
Two external power sources
What is the function of the Standby Power switch AUTO position?
Allows the main and APU standby busses to be powered from available sources
What does the AVAIL light indicate on the external and APU power switches?
The related power source (APU or EXT) is plugged in/available and the power quality is acceptable
When is the main cargo deck handling bus powered?
When the AVAIL light is displayed on the APU 2 or EXT 2 switches
What electrical power source provides power for the lower lobe cargo handling, fueling panel, and AUX 4 hydraulic pump?
EXT PWR 1 or APU GEN 1 is AVAIL or selected ON (powering the ground handling bus)
What are some of the equipment items powered by the utility busses?
5 fuel pumps (FUEL PUMP/OVRD 2/3 FWD, FUEL OVRD CTR L)
Galley equipment
What happens when you push a generator drive disconnect switch (DRIVE DISC)?
Disconnects IDG from engine when above idle speed
Opens related generator control breaker (GCB)
What condition would automatically disconnect the IDG if not manually disconnected by the flight crew?
Excessively high drive oil temperature
What does a bus isolation (ISLN) light indicate?
Bus tie breaker (BTB) open
AC bus isolated from the synchronous bus
How do you reconnect an IDG that has been disconnected?
You don’t
Maintenance action required
The IDG cannot be restored by flight crew action
How is the electrical system configured during an automatic ILS approach (autoland)?
AC and DC busses 1, 2, and 3 are isolated from the synch bus
AC bus 4 continues to power the synch bus
What are the main AC electrical power sources?
Four IDGs
Two auxiliary power sources (APU generators)
Two external power sources
What does the hydraulic system fault light (SYS FAULT) indicate?
Low hydraulic system pressure
Low hydraulic reservoir quantity
Excessive (high) hydraulic fluid temperature
What does a hydraulic demand pump low pressure (PRESS) light indicate?
Demand pump selector positioned to OFF or AUX
Demand pump operates and output pressure is low
When will the demand pumps be commanded to operate if the hydraulic demand pump selector is in the AUTO position?
Demand pumps operate when the respective engine pump output pressure is low or when the respective fuel control switch is in CUTOFF
Demand pumps 1 and 4 operate automatically when trailing edge flaps are in transit on the ground or continuously when flaps are extended past 1 in flight
On GE -400 aircraft, which demand pumps are air driven and which ones are electric motor driven?
1 and 4 are pneumatic
2 and 3 are electric
On N480MC, N445MC, and N446MC, which demand pumps are pneumatic and which are electric?
All four are pneumatic
What does a magenta “RF” displayed next to a hydraulic quantity indicator on the secondary EICAS mean?
The reservoir requires refill (only displays on the ground)
What is the purpose of the auxiliary pump?
Used for ground handling operations
When is the engine driven pump pressurized?
The engine is running
The engine pump switch is ON
What does a hydraulic reservoir quantity indication of 0.95 mean as displayed on the secondary EICAS?
Percent of normal level (95%)
What degraded or inoperative systems can you expect from a loss of hydraulic system 1
Center autopilot
Left outboard elevator inop, left inboard elevator degraded
Inboard trailing edge flaps hydraulic operation inop (move in secondary mode)
Nose and body gear hydraulic extension and retraction inop
Nose and body gear steering
Alternate brakes degraded (sys 1)
What degraded or inoperative systems can you expect from a loss of hydraulic system 4?
Right outboard elevator inop, right inboard elevator degraded
Outboard trailing edge flaps hydraulic operation inop
Two inboard spoiler panels on each wing inop
Wing gear hydraulic extension and retraction inop
System 4 normal brake source inop
Auto brake inop
How many engine fire extinguishers are provided?
Two on each wing (four total)
FIRE CARGO FWD: Pressing the FWD cargo fire ARM switch causes what actions?
Two packs shut down
Arms lower cargo compartment fire extinguishers
Configures equipment cooling to override mode and turns off all airflow and heat to lower cargo compartments
Closes master trim air valve
How many fire extinguisher bottles are provided for the forward and aft lower cargo compartments?
Four fire extinguisher bottles
Pushing the cargo fire discharge switch discharges two bottles immediately. The other two bottles discharge after a brief delay or upon touchdown.
How many APU fire bottles are provided?
One
What action discharges the APU fire extinguisher?
Rotate - discharges APU fire extinguisher into APU compartment.
- On the ground, the APU extinguisher automatically discharges on 408, 418, N-PA, 475 - 477, 489, 492-499, 850-859
Can you shut down the APU from outside the airplane?
Yes
Right body gear well is the APU ground control fire protection panel. This panel has an APU stop switch and an APU extinguisher discharge switch.
Is there smoke detection provided for the crew rest areas?
Yes
Smoke detectors are installed in the crew rest areas. An aural warning sounds in the crew rest compartment when smoke is detected there.
What happens when you push the CARGO FIRE depressurization switch with the main deck fire switch armed?
Initiates airplane depressurization
MAIN selected to ARMED:
- Enables main deck fire suppression
- Turns off two packs
- Configures equipment cooling to closed loop
- Turns off all airflow to the main deck and heat into lower cargo compartments
- Closes master trim air valve
What unlocks an engine fire switch?
Fire warning
FUEL CONTROL switch in CUTOFF
Pushing the fire override switch
Is the engine fire/overheat detection system a single loop or dual loop system?
Dual loop
A dual loop fire detector is installed in each engine nacelle. In addition, each engine has a dual loop overheat detector. In normal operation, both loops in a detector must detect a fire or overheat condition to cause an engine fire warning or overheat caution unless configured for single loop operation.
What does arming the FWD CARGO fire switch do on the passenger aircraft?
Arms cargo fire extinguisher
Configures equipment cooling to override mode
Turns off airflow and heat to forward compartment
Turns off pack 3
Turns of nitrogen generation system
How many fire extinguisher bottles are provided for the lower lobes of the 747-8?
Six
How is the center wing tank fuel scavenged?
CWT fuel is scavenged by 4 jet pumps pushing fuel into main tanks 2 and 3.
Scavenge begins when main tank 2 or 3 fuel quantity decreases to approximately 27,200 kgs
Which cross feed valves are controlled by Fuel System Management logic when setting T/O flaps?
Crossfeed valves 2 and 3
During the before start procedure, at what center wing tank quantity are you required to select the center wing pumps on? In lbs for the LCF?
> 7,700 kgs in the center wing tank
17,000 lbs in the center wing tank
Main tank 2 and 3 override/jettison pumps can operate to a standpipe level of approximately ____ kgs (-400), ____ lbs (LCF), ____ kgs (-8) of fuel remaining in each tank.
-400: 3,200 kgs
LCF: 7,000 lbs
-8: 3,450 kgs
Describe how the fuel quantity indication changes upon the termination of fuel jettison.
The fuel to remain quantity indication changes from magenta to white
The fuel to remain quantity flashes for five seconds
How does center wing tank fuel scavenge in the -400/-8?
CWT fuel is scavenged by four jet pumps pumping into main tanks 2 and 3
Scavenge begins when main tank 2 or 3 fuel quantity decreases to approximately 27,200 kg
How does center wing tank fuel scavenge in the LCF?
CWT electric pump into main tank 2 when CWT override/jettison pump has low pressure OR fuel quantity in main tank 2 or 3 is below 40,200 lbs.
Pump will operate for approximately two hours or until scavenge pump pressure is low, whichever occurs first)
State what occurs when you select the fuel jettison switch to A or B.
Arms jettison selector
Displays preselected fuel to remain on EICAS
What is the impact on the aircraft with excessive fuel imbalance?
Adversely affects CG
Aerodynamic drag
Degraded fuel economy
When do the FSMCs open the reserve transfer valves on the -400, LCF, and -8?
-400: When main tank 2 or 3 fuel quantity decreases to approximately 18,200 kg (reserve tanks transfer to Main 2 and 3)
LCF: When main tank 2 or 3 fuel quantity decreases to approximately 40,200 lbs (reserve tanks transfer to Main 2 and 3)
-8: When main tank 1 or 4 fuel quantity decreases to approximately 6,100 kg (reserve tanks transfer to Main 1 and 4)
In which tank is fuel temperature measured?
Main tank 1
In general, how would you handle an excessive fuel imbalance situation?
By opening or closing cross feed valves and turning fuel pump switches on or off in accordance with QRH/supplementary procedures
Which fuel tanks do reserve tanks 1 and 4 transfer into on the 747-8
Main tanks 1 and 4
On the 747-8, at what fuel quantity will the fuel jettison complete jettison operations with the selector in the MLW position?
Maximum landing weight plus 3,000 kg
During fuel jettison on the LCF, transfer valves open when fuel quantity in tanks 2 or 3 decrease to how many pounds?
20,000 lbs
Describe what happens when nacelle anti-ice is commanded on.
NAI valve opens
Selected engine igniters operate continuously
Engine PRV opens when the NAI valve is open
The 747-8 EICAS message BLD LOW TEMP indicates what?
Engine bleed air too low for sufficient wing anti-icing
Does the nacelle anti-ice AUTO position function on the ground?
No, the auto function only works in flight
How many ice detection probes are there and where are they located?
Two probes are located on the forward fuselage