Oral Questions Flashcards
Max takeoff weight
98000
Max landing weight
78600
Max ZFW
56000
Limitation for takeoff near large bodies of water if above MLW
Outflow valve 2 closed
One pack shut down
Max runway slope
2%
Max tailwind for takeoff and landing
10kts
Max and Min temperatures for operation
+50C (ISA +35) to -40C
What is the priority of addressing CAS messages?
Red, White, Amber, Cyan
What is the normal circling approach configuration and category
Flaps 30 and Vref + 10
Cat C mins
What is the maximum crosswind for takeoff
29kts
Max crosswind for engine starts
29kts
What is the starter duty cycle limits
3 mins on, 15 secs off
3 mins on, 15 secs off
3 mins on, 15 mins off
What is the maximum tailwind for engine start
20kts
What is the procedure for a tailwind start
Crank the engine for 30 secs
Stop the crank
Wait 5 secs or until the SOV indication disappears
ENG RUN switch on
Max ITT for ground and air start
Ground - 700
Air - 850
Did the FADEC give protection for hot starts on the ground
Yes
Does the FADEC give protection for hot starts in the air
No
What are the limits for static ground operation
Steady operation between 66-80% N1 prohibited
What is the power setting procedure for takeoff if the crosswind is more than 20kts
N1 66% max until airspeed is alive
What is the maximum altitude for a relight attempt
30000 ft
What systems are shutdown when a fire handle is pulled
Fuel SOV closed
Hydraulics SOV closed
Bleed air SOV closed
AC VFGs taken offline
Arm the fire bottles
What are the limitations on use of the Thrust reversers
May not backup the aircraft
May not be selected in flight
May not be used good touch and goes
If an engine fails during takeoff, why do you not get an immediate ‘ENGINE FLAMEOUT’ CAS message
Caution and advisory messages are inhibited till 400ft
If an engine fails during flight, why do you not get an immediate ‘ENGINE FLAMEOUT’ CAS message
The FADEC is trying to restart the engine. The FADEC stops the start when the N2 reaches 35%. The CAS message will then be posted
What are the engine max continuous operating limitations
Max ITT - 860C
N2 - 98.8%
N1 - 102%
What are the engine takeoff thrust limitations
Max ITT - 900C
N2 - 99.6%
N1 - 102%
5 mins two engines, 10 mins single engine
Do not engage the starter if N2 RPM exceeds
42%
What is the minimum oil temperature for engine start
-40C
When is oil replenishment prohibited
OAT at or below -12C
Use of the auto throttle upon landing is restricted to what flap setting
Flaps 30 only
Engine shutdown is required for what minimum oil pressure
25psi
How is the FADEC normally powered during engine operation
A dedicated generator on the accessory gearbox
When should rotor bow dry cranking be expected during automatic starts
Between 20 mins and 5 hours of shutdown
What are the two auto start envelopes and associated speeds
ATS - below 249kts
Windmill - above 250kts
What are the ground external air pressure requirements for engine start
40psi
For airplane operations in excess of 3 hours, the oil system must be verified
Full before flight
Greater than 10.62qts
When must oil replenishment be conducted
From 5-30 mins after shutdown
How long should the engine stabilize in idle before selecting the ENG RUN switch to OFF on the shutdown checklist
3 mins
For an AUTO ground start the FADEC will prevent fuel flow until ITT is less than
150C
What procedure is required before shutting down engines
L and R cowl anti ice - On
APU max altitude for start
FL370
APU max altitude for operation
FL450
APU max altitude for bleed air extraction
FL300
APU starting limits
3 per hour
Min APU battery voltage for APU start
22V
Min temp for starting a cold soaked APU
-40C
Max electrical load rating of the APU generator
40KVA
Will the APU automatically perform an auto-shutdown for a fire on the ground? In flight?
Ground - yes
Flight - no
Will the APU fire bottle do an auto discharge in the event of a fire on the ground
No
From which fuel system does the APU get is fuel
Right engine feed line
Which fuel pump provides fuel for the APU when starting from battery power
AUX DC pump
What is the maximum OAT for bleed air extraction from the APU for air conditioning ops
More than 45C
What is the associated limit if the APU is powering an AC bus above FL370
The associated hydraulic pump must be switched off
What will happen if the APU run switch is selected to the RUN position prior to the 60sec cooldown period
The APU returns to 100% and continues normal operation
How is emergency shutdown of the APU accomplished
BATT MASTER switch selected to OFF with no AC power
APU fire discharge handle pulled
APU shutdown button on the external services panel (left rear near the baggage door)
When can the APU oil replenishment be conducted
APU shutdown for a minimum of 15 mins
Both engines have been shutdown for not longer than 45 mins
What areas of the global express have fire extinguishing capability
Both engines and APU
How many fire loops in each of those areas
2
What indication, if any, will you get off one of those loops fails
Fire detect fault (cyan CAS)
What are the implications of a L ENG FIRE FAIL CAS message after a L ENG FIRE CAS message on the EICAS
The fire may still be burning
How do you check the fire bottle pressure on preflight
No FIRE BTL 1/2 LO PRESSURE CAS message
What 5 events occur when the ENG FIRE DISCH handle is pulled
Fuel SOV closes
Hydraulics SOV closes
Bleed air SOV closes
AC VFG taken offline
Fire bottle arms
What happens when the APU DISCH handle is pulled
Fuel SOC closes
Ignition shutoff
Bleed air shutoff
APU isolated
Fire bottles armed
Does pulling the fire DISCH command an immediate engine shutdown
No. Immediate shutdown is via the ENGINE RUN switch
How is fire suppression for baggage compartment, lavatories, and cabin closets provided
Portable fire extinguishers
What is the total usable fuel
Wings - 15050
Center - 11150
Aft - 2300
Total - 43550
Which fuel tanks cannot be gravity refueled
Aft tank
When must fuel cross feed be selected off
Takeoff and landing
Below FL340
When must fuel recirc be off
When fuel bulk temp is above 10C
How is positive tank pressure maintained during flight
Ram air via NACA scoops
Do not test the operation of the pressure relief valves when
Wing tank above 11800 lbs
Center tank more than 8000 lbs
Can you pump fuel out of the aft tank anytime you want? What concerns are there?
Yes
No auto shutoff or overfill protection
Why must the crew monitor manual operation of the wing to wing transfer system
There is no automatic shutdown of the manual system or overfill protection
When does the wing to wing AUTO fuel transfer start when the switch in the WING XFER selector in the AUTO position
400lbs
What will happen to the wing to wing transfer when an AC primary pump fails
It will be inhibited
Can you override that by using the MANUAL position of the transfer switch
Yes
What control do you have over the center tank transfer pumps
None, except for pulling the circuit breakers
What is the max permissible fuel imbalance during flight
1100lbs
What is the max permissible fuel imbalance on the ground
1100 - less than 19450 fuel load
600 - more than 20250 fuel load
Fuel in the center tank must be considered unusable unless
Each wing of full at departure
Planned cruise is greater than FL300
Fuel in the aft tank must be considered unusable unless
Each wing must contain at least 5500lbs at departure
Planned cruise altitude is greater than FL300
If use of the center/aft tank is planned, what is the minimum fuel required in tank
500 lbs to ensure xfer pump reprime
What is the minimum engine fuel temp for takeoff
5C
When do the wing AC boost pumps operate automatically
ENG RUN switch on
XFEED SOV open
What does the FMS “COMPARE FUEL QUANTITY” message indicate
2% (BOW) or greater difference between FQMC and FMS fuel quantity reading
Where is the fuel SOV located and how is the valve closed
Located behind the pressure bulkhead
Closed via the associated fire discharge handle
When does fuel transfer from the center tank to the wing fuel tank
Wing tank quantity reached 93% full
Continues until wing 97% full
When does fuel transfer from the aft tank start
And wing falls below 5500lbs
When does the wing DC aux fuel pump operate automatically
Flap position is greater than 0
Landing gear down and locked in flight
Less than 600 lbs either wing
During the refuel SOV test, what does what does display of the SOV FAIL message indicate
Fuel flow will not stop when the tank is full, risking fuel spills
You have uploaded wide cut fuel. Is there a limitation?
Yes. Fuel recirculation prohibited
With the fuel tanks more than 12000#, the APU running and you are being pushed back/towed, what is recommended to prevent fuel spillage from the fuel vent system?
Fuel scavenging procedure - QRH 1 supplement 9-1
Can you refuel the aircraft without any electrical power to the aircraft
Yes. Provided the APU battery is connected
What is the recommended procedure after refueling the aircraft
Switch to manual refueling, open center tank for a few seconds, everything off - “burp the tank”