7500 Oral Exam Flashcards
What is the Global 7500 wing span, length, and tail height?
104 ft wingspan
111ft 2in length
27 ft tail height
Tail height can be as high as 28ft and higher on a downward sloping hanger
Is the minimum pavement width required for a 180゚ turn for the landing gear?
75 ft
What is the minimum width for wing tip clearance required to make a term
129 ft
The wind tip will pass between 5.5’ft past the nose and extend 4.5’ft wider than when parked as a turn is made.
Max rap weight
115,100 lb
Maximum takeoff weight
114,850 lb
Max landing weight
87,600 lb
Maximum zero fuel weight
67,500 lb
Minimum or maximum runway slope
+/- 2%
May operations from unprepared runways be conducted.
No
What is the normal circling approach aircraft configuration and speed?
Flaps 4
Vref +10 Until manuvering is complete Vref on final approach
What is the prioritization of handling checklist procedures from high to low.
Emergency procedures
Normal procedures
Caution procedures
Advisory procedures
Info message during ground operation.
What are the buoyancy limitations for takeoff or forced emergency landing near bodies of water above maximum landing weight?
Outflow valve two close, right Pack off?
Mmo above FL350
.925 M
Vmo below 8,000 ft
300 kt
What is the turbulence penetration speed?
265 kt from sea level to 8,000 ft, linearly increasing to 285 kt at 10,000 ft
285kt from 10,000 ft and above or .85 M whichever is lower
Is the maximum certified operating altitude
FL 510
The maximum pressure altitude for takeoff and landing
10,000 ft pressure altitude
What is the maximum / minimum ambient temperature for takeoff
ISA + 40°C
-40°C
Is the maximum tailwind component for engine start
20 kt
For crosswinds greater than 18kt and more than 30゚ from the airplane centerline. What is the take off procedure
Do not exceed 60% N1 below 30 kt
At 30 kt promptly set TO thrust.
What is the maximum tailwind component for takeoff and landing
10 kt
What is the maximum authorized altitude for use of slats/flaps?
18,000 ft
What is the maximum operating altitude with the landing gear extended
20,000 ft
What is the minimum altitude flight spoilers must be retracted on approach
300 ft
Are there any limitations on the use of max spoilers
Use of Max spoilers is prohibited except during emergency conditions or as required by AFM procedures.
What is the maximum flap 1 extended speed
225 kt
What is the maximum flap two speed
210 kt
What is the maximum flaps three speed
210 kt
Maximum flap four speed
185 kt
What is Vlo
200 kt
What is Vle
250 kt
What is tire limiting speed
195 kt
What is flaps 2 and 3 Vmcg
106kt
What is flaps 2 and 3 Vmca at sea level
Flaps 2 100 kt
Flaps 3 98 kt
What is Vmcl ( Minimum control air speed landing) at sea level
Flaps 2 / gear down 103 kt
Flaps 4 / gear down 96 kt
Which pumps supply normal hydraulic pressure to the hydraulic system
The tree “A” pumps which operate continuously
Which hydraulic systems are powered by engine driven pumps
Systems 1 and 2 by EDP 1A and 2A
How is the hydraulic reservoir quantities accurately checked in the flight compartment before engine start?
Turn on the “B” and PTU pumps to pressurize the system then ues the hydraulic synoptic page to read the value
What is the normal hydraulic system pressure
3,000 psi
What is the type of hydraulic fluid used in the airplane
Phosphate Ester type lV or V low density fluid. Skydrol.
How many AC motor pump ACMP pumps may be operating on the ground while on APU or external AC power
2
When in AUTO, when will the ACMP AC motor pump 1B operate
•When airplane is in the takeoff or approach phase
•When the engine driven pump EDP 1A failed or LH engine is not running in flight (low pressure in the number 1 system)
• The PTU is operating and either EDP 2A has failed or RH engine is not running
When in AUTO, when will AC motor pump ACMP 3B operate
•The airplane is in the takeoff and approach phase.
•ACMP 3A has failed in flight (low pressure)
When in AUTO, when will the PTU operate
•When the airplane is in the takeoff or approach phase
•When the engine driven pump EDP 2A has failed
•When the RH engine is not running in flight
• On the ground with only the LH engine running & the parking brake released. Note During single engine taxi with the right engine off the PTU supplies pressure to the brake accumulator for steering
How are the engine driven pump EDP HYD shutoff valve SOVs closed
•The L(R) HYD SOV guarded PBA on the HYD panel is pressed
•The L(R) ENG FIRE guarded PBA on the FIRE panel is pressed
•When HYD systems 1 & 2 reservoirs detect excessive fluid temperature (125°c) the valves close automatically
What are the electrically driven hydraulic pumps and their associated electrical power source?
•1B-AC BUS 2
•3A-AC BUS 2
•3B-AC BUS 1
•PTU-DC BUS 1 (PTU select valve)
Note the electrical system sheds individual pieces of equipment and not buses. Memorization of buses is of no value. In the event of an electrical fire, where buses will be isolated the checklist contains the bus equipment listing
Which hydraulic system can be powered by the ram air turbine RAT
System 3
What should the ram air turbine RAT/bootstrap accumulator pre-charge pressure be when the hydraulic system is depressurized
1,100 +/- 100 psi
Note This is for 15°c there is a correction placard showing valid pressure ranges for other temp near the gauge
What should the brake accumulator’s precharge pressure be when the hydraulic system is depressurized?
650 +/- 100psi
How is hydraulic fluid cooled
Heat exchangers located in the fuel tanks.
Which hydraulic pumps are available/operating during single generator operations in flight.
•The operating engine hydraulic pump EDP
•A maximum of 2 AC motor pumps ACMP can be powered by a single generator
•Above 43,000ft only one ACMP can be powered by the APU generator
What are the sources of airplane generated AC power
•Two 115VAC 60kVA engine driven variable frequency generators (67.5kVA for 5 min, 75kVA for 2 min, 90kVA for 5 sec)
•One 115VAC 60kVA APU generator (67.5kVA for 5 min, 75kVA for 2 min, 90kVA for 5 sec)
•One 115VAC 9kVA Ram air turbine RAT when all other AC sources have been lost (23.5kVA for 5 min, 18kVA for 5 sec)
In the event of a single generator operation which AC buses are automatically shed.
None a single generator supplies power to all three AC buses although some high load users such as certain hydraulic system pumps are load shed
What doesn’t EXT AC “AVAIL” annunciator on the electrical panel indicate
•External AC power is connected
•The power is the correct voltage & frequency
•External power is not on line
Where is the location of the external ground power panel
Lower body fairing below the right engine
Which buses are powered with external AC connected, on and in normal mode
All AC and DC buses are powered
What is the AC priority source for AC BUS 1 & 2
•Onside engine VFG
•APU Generator
•External AC Power
•Opposite side engine VFG
What Is the voltage and ampere-hours ratings for the batteries?
24VDC, 28Ah
What is the minimum battery voltage for start
22VDC
Where are the APU and Main Batteries located
•APU battery is in the belly fairing compartment below the baggage bay door
•Main battery is in forward equipment bay in the nose of the airplane
How long will the aircraft main batteries last as the sole source of power?
Minimum of 5 minutes
How do you know when a battery is not being charged
•A cyan DISCHARGING indication on top of the battery on the ELEC synoptic page
•A cyan BATT DISCHARGING CAS message
•If the ELECT synoptic page shows 24VDC or less and decreasing, it is not being charged
Which DC buses are automatically shed during a single TRU fail
None all remain powered
Which DC buses are automatically shed during a TRU one and two fail
DC BUS 1 & 2
Can a thermal circuit breaker be reset from the electronic circuit breaker application ECB
No the affected cb can only be manually reset at its location
Will a physical CB trip generate a CAS message
Yes a cyan CB TRIP CAS message
How do you determine the location of an open CB
Viewing the location on the CB application
When does the RAT automatically deploy
In the event of a complete loss of AC power in flight
Can the RAT be stowed
On the ground only by maintenance
If the RAT generator trips offline how can it be reset
By moving the RAT deployment handle to stow and back to deploy position
When does the RAT generator go off line
Below 147kt
Note Slat-Flap, Pitch Trim, Left window heat, ESS TRU disconnected, and reversion to direct mode may occur. Then at 102kts hydraulic pressure is lost
If a generator is reset after the RAT has deployed which buses will the RAT power
AC ESS BUS
Where are the engine fire detection sensing elements located
•Accessory gear box
•Engine core
•Fixed cowl
What must happen to activate the fire warning system?
• Both paired loops in a section must sense heat
• If only one loop is operative only that loop is needed to activate the FIRE warning
What extinguishing agent is used in the fire bottles
Halon
During an engine fire what warning indications come on?
•The respective L/R ENG FIRE PBA illuminates
•Red L/R ENG FIRE CAS
•FIRE icon in the N1 gauge
•Aural warning voice message “Left or Right Engine Fire”
•Master Warning PBA flashes red on the glare shield
What six events occur when the L/R ENG FIRE PBA is pressed
•Firewall fuel SOV closes
•Engine PRSOV closes
•Hydraulic SOV closes
•Generator is taken offline
•BTL 1 & 2 PBAs illuminate green AVAIL to indicate armed
•Ignition is disabled
What happens when the APU FIRE PBA is pressed
•APU firewall fuel SOV closes
•APU fuel control unit shuts off the fuel
•APU generator is taken offline
•APU Beed Control Valve BCV is closed
•BTL 2 Squib armed, AVAIL green PBA come on
Does pressing the ENG FIRE PBA command an immediate engine shutdown
•No the fire PBA closes the fuel feed SOV at the firewall, the engine will run for up to 20 seconds to empty the fuel line
•Immediate shutdown is via the ENGINE RUN switch per the checklist
If an APU fire is detected on the ground what is the automatic shutdown and extinguishing sequence of events
•APU fire warning horn sounds outside of the airplane
•APU Bleed control valve BCV closes
•FIDEEX triggers APU shutdown
•Within 10 sec of detection BTL 2 discharges
May the APU be left unattended
Yes
How is fire detection/suppression for the baggage compartment provided
•Smoke detectors
•BTL 1 can be discharged into the baggage compartment
What is the Max fuel imbalance on the ground and in-flight
600 lb ground
1,100 lb in-flight
What level of fuel imbalance will the auto transfer system activate?
340 lb on the ground
510 lb in-flight when the total fuel volume is over 16,000 lb
What is the maximum useable fuel load during pressure refueling
•Wings 17,550lb each 35,100lb total
•Center 14,200lb
•Aft 2,550lb.
•Total 51,850
What is the limitation when using wide cut fuels
They are prohibited
What is the minimum fuel quantity for manual wing to wing fuel transfer.
2,500 lb per wing tank
When must the fuel cross-feed system be selected off?
•Takeoff & Landing
•Both engines operating below 10,000 ft
Which fuel tanks cannot be gravity refueled
Center & Aft
How is positive fuel tank pressure maintained during flight
Ram air via NACA scoops on the bottom of each surge tank located at the wing tips
To avoid fuel spillage at what fuel quantity should the pressure relief valve PRV handles not be pulled.
Wing tanks quantity more than 11,300 lb pounds or center tank is more than 12,000 lb
Note There is a placard on the aircraft adjacent to the valve
What does the amber FUEL QTY MISCOMPARE CAS message indicate
Their’s a mis-compare between the FMS calculated fuel and the sensed fuel on board
Note This is probably a leak the checklist will direct you to the fuel leak in’flight checklist.
When does FRTT (fuel return to tank) automatically operate
Above 30,000 ft and wing fuel temperature is colder than -20° c
Note automatically closes when any fuel tank temp sensor is -5°c or higher or below 30,000ft
When do the primary AC fuel pumps operate in-flight
•ENGINE RUN switches to ON
•XFEED SOV is selected open
Note this is most noticeable during single engine operations, however is not a normal procedure during single engine operations
When do the auxiliary DC fuel pumps automatically operate
When low pressure is sensed at the AC fuel pump outlet
Note may be caused by an AC pump failure, loss of power to the primary pump, or deselection of the primary pump
Where is the fuel SOV located and how is the valve closed
• Located in the engine feed line at the firewall
•Closed by pressing the engine FIRE PBA
When does the fuel transfer from the center tank to the wing inner tanks begin
When the inner tanks quantities decrease to about 14,000lb continues until wing inner tanks reach full capacity approximately 15,000lb
When does fuel transfer from the aft tank to the wing inner tanks begin?
When either wing inner tank quantity decreases to 6,800lb
When will the wing outer tanks deplete into the wing inner tanks
When the wing inner tanks decrease to about 10,850lb
Which wing tank normally provides fuel for the APU?
Right wing collector tank
When does longitudinal CG control inhibited
•Pressing the CG CTRL PBA
•When wing to wing transfer is automatically or manually initiated
•When the fuel quantity of each wing inner tank reaches 10,850lb
Why must the crew monitor manual operation of the wing to wing transfer system.
No automatic shutdown of the manual system or overfill protection provided to stop operation.
What powers the refuel/defuel panel
MAIN BATT BUSS
Note This makes it possible to refuel without external or airplane generated power.
During the refuel SOV test, what does display of the “SOV FAIL” message in the PRESEL window indicate
Fuel flow will not stop when the tank is full
What are the engine takeoff thrust limitations
●5 min with both engines
●10 min single engine
Note: This is automatically adjusted by the FADEC, no pilot action is required
How does the pilot know when the engine limitations are exceeded
The numbers turn RED
At what RPM should starter engagement not be attempted
56% N1
Note: because of the starter clutch design, the starter can’t engage above this RPM
What are the starter duty cycle limits?
Start attempt 1 and 2, 5 min on 5 min cool down between starts. Start attempts 3 through 10, 5 min on 15 min cool down between starts.
What is the minimum oil temperature for engine start
-40°c. Note: when the number turns GREEN
What is the minimum oil temperature before selecting take off power
+43°c
Note: when the number turns GREEN
What is the maximum engine oil temperature permissible for continuous operation
160°c
Note: when the number turns RED
How much thrust do the engines supply at sea level
18,920lb at sea level up to 30° c
Note: The thrust is flat rated to ISA +15°C, the value is only valid at temps at or below ISA +15°C
How is the FADEC powered once the engine is running
●Permanent Magnet Alternator serves as the primary electrical power source
●Aircraft power is available during starting and if PMA fails
What powers the FADEC when the Permanent Magnet Alternator, the primary source, is not available.
Aircraft electrical system
What is the maximum oil consumer of each engine.
.31 quarts/hour
When and how is engine oil replenishment allowed?
●On the ground with engines off
●Between 15 & 60 minutes after engine shutdown
●The ORS reservoir OIL QTY should be GREEN before servicing
●Prohibited when OAT is -12°c or colder
●Via the OIL REPLENISH Tab on the SERVICE Synoptic
When can the engine oil levels be accurately checked
Between 15 & 60 minutes after shutdown the Replenish soft key is only available within 15 to 60 minutes after shutdown
How can the oil quantity be checked
●Oil quantity is displayed on the OIL REPLENISH tab in the SERVICE synoptic
●An oil level sight gauge on the side of the oil reservoir
Where is the oil replenishing tank located
Aft equipment bay
What is the capacity of the oil replenishment reservoir?
6 quarts
How is engine oil cooled?
2 fuel/oil & 2 air/oil heat exchangers
What is the usable capacity of each engine oil tank
11.6 quarts
Which fuel shut-off valve closes after selecting the engine run switch to off.
HPSOV within the fuel metering unit
When is approach idol commanded by the FADEC
●In flight
●gear down and locked or SLAT/FLAP 2 (flaps are set at or above 5°)
●Steep approach mode not selected
What are the two auto start air envelopes and associated air speeds
●ATS ENVELOPE, CAS message less than 250kt
●WINDMILL ENVELOPE, CAS message greater than 250kt and 7.5% N2
What is the engine “quick relight” function
If the engine run switch is accidentally selected off then back to on the FADEC will recover the existing power setting
Fuel schedules and ITT limits are adapted for each quick relight scenario.
When does the ENGINE FLAMEOUT message appear
When the N2 reduces abnormally and an automatic relight has failed.
What is the maximum altitude for an airborne engine start?
30,000ft
What is the maximum altitude in flight for an APU assisted engine start?
23,000 ft
What are the limitations on the thrust reversers
●May not use in flight
●Not permitted for touch-and-go landings
●May not back up the airplane
How are the thrust reversers controlled and actuated?
● Controlled by the FADEC
● Actuated by the respective engine hydraulic system.
Note the reverser only operates when the associated engine is operating and the engine driven hydraulic pump is producing pressure.
What will occur if the thrust reverser becomes inadvertently unlocked?
●RED L(R) REVERSER UNLOCKED CAS message along with red Master Warning light flashing
●Aural Warning “L (R) Reverser Unlocked”
●RED REV icon in the N1 display
●FADEC limits thrust to idle
What is the maximum APU RPM
105%
Note the APU FADEC governs the APU to 100% rpm. If the value is anything other than 100% there is something wrong
What is the maximum altitude for APU generator operations?
51,000 ft
What is the maximum altitude for starting the APU in flight
45,000 ft
What is the maximum altitude for bleed air extraction from the APU?
25,000 ft