Systems Flashcards
Fuel System
What will cause the boost pump to come on?
- Engine switch to run
- APU is running
- Primary ejector pump failure
Oxygen System
What is the brains of the oxygen system?
EPAV
Electro Pneumatic Actuating Valve
Oxygen System
How many PSI is a fully charged O2 system?
1850 PSI (gauge behind right wing)
Oxygen System
When will the Pax oxygen masks automatically drop?
Cabin altitude 14,500 (+/- 500)
Will flow until cabin reaches 9,500 (+/- 500)
Oxygen System
Where is the oxygen fill port?
Behind the right wing
Oxygen System
How is the oxygen quantify displayed in the cockpit?
Liters
Oxygen System
How many liters in a full oxygen system?
~5400 liters
Navigation System
What is the brains of the navigation system?
IAPS
Integrated Avionics Processing System
General
What are dimensions of 350?
20’ Tall
69’ Wide
69’ Long
General
What is the turning radius (wingtip to wingtip)?
101’
General
What are the danger zones around the aircraft?
5’ - radar
15’ - front of engine intake
200’ - engine idle thrust
400’ - takeoff thrust
General
How many degrees will the tiller turn?
65 degrees
General
How many degrees of steering with the rudder peddles?
7 degrees
General
How many static wicks are on the aircraft and how many can be missing?
26 total wicks
1 can be missing from any control surface
General
What doors generate a CAS message?
Main Cabin (white / amber w/ RUN switch)
Emergency Door
Cargo Door
Aft Equipment Bay (white / amber w/ RUN switch)
Battery Door
MECAB
General
What doors stay unlocked for flight (funny color handles)?
Cargo (NJ Policy)
Aft Equipment Bay
Battery Door
Out Flow Door
CABO
Electrical
Describe the electrical system
28V DC
2 - 24V Ni-Cad Batteries (44 AMP hours each)
Electrical
How many generators?
2 Engine
1 APU
28.5V DC / 400 AMP
Electrical
What does green AVAIL light mean?
Ground power is available w/ correct
* Polarity
* Voltage
Electrical
How long should Standby Instrument Battery Last?
3.5 hours
How long will emergency batteries last?
10 minutes (15 if warmer)
What items are on the hot battery bus?
LEFT
* Firex A
* L Engine SOV
* L HYD SOV
* Clock
* Pax Door
* Entry Lights
* Ext Bags / AFT Bay Lights
Right
* Firex B
* R Engine SOV
* R HYD SOV
* Refuel / Defuel Controls
* Refuel / Defuel Valves
When does the CVR start recording?
Power to aircraft (right battery)
Will the CVR record after aircraft shutdown?
10 minutes (via a self contained battery)
What happens when the Right Battery switch is selected?
- CVR Starts recording
- BIT Test (Built in Tests)
- IRS start aligning
- All buses power up
What does the Left battery do during APU start?
Provides power to electrical system as right battery disconnects to assist in APU start
What buses are shed inflight when done to 1 generator?
Aux buses are shed
What notable items will be lost with shedding of Aux buses?
Right window heat
Foot Warmers
Cabin AC / DC electrical
Will batteries auto-disconnect from the system?
If they reach 70C
What is HP Bleed Air used for?
Anti-ice systems - Engines, wings
36 PSI
What is IP bleed used for?
(Intermediate Pressure)
Environmental controls / Pressurization
50 PSI
Do the HP and IP systems mix?
No - two independent systems
What is the brains of the pressurization system?
IASC
Integrated Air System Control
What happens when the EMER DEPRESS button is pressed?
Cabin will depressurize to
In auto mode: 14,000 @2500 FPM
In manual mode: 14,500 @3000 FPM
When is the DITCHING MODE available and what does it do?
Below 15,000’ in AUTO mode
- Closes outflow valve
When is RAM AIR available?
Below 10,000’
Why do we wait 2 minutes for the wing ice test?
To test the low temp sensor in the wingtips
What bleed system is used for engine/wing ice protection?
High Pressure (HP) - 36 PSI
How do the ice protection valves fail?
Wing valves fail closed
Engine valves fail open
After de-icing - when can we ice systems be turned on?
Engine - no delay
Wing - just prior to takeoff
Does the APU have a FADEC?
No - an ECU
Where does the fuel come from for the APU
Right collector tank
Does the APU have fire protection?
Yes - on ground -
* will auto shut down
* discharge right fire bottle
What type of engines do we have?
HTF 7 350
Honeywell Turbo Fan
How many FADECs does each engine have?
1 FADEC per engine (dual channel0
What happens when the RUN SWITCH is selected to ON?
- Boost Pumps activated
- FADAC activated
When would FADEC activate igniters?
- Engine Start
- Stall
- Restart
- Manually Commanded
When does the APR activate?
15 degree split in N2
How many QTS are in the HYD systems?
Left: 13 QTS (due to gear actuator volume)
Right: 9 QTS
When to the DCMPs turn on?
- Loss of pressure
- Flaps selected outside of ZERO
What is normal DCMP HYD Pressure?
2800 PSI
* will see this on ground
What is normal EDP HYD Pressure?
3000 PSI
* Ground or flight w/ engines running
What is the purpose of the AUX PUMP?
Powers lower PCU if the RIGHT SYSTEM FAILS
* note the AUX Pump switch is below #2 HYD switch
How does the HYD Fluid stay cooled?
Cooled through fuel/HYD heat exchange
Located in each wing fuel tank
What is pressure of AUX pump?
Pump cycles on and off to maintain:
2500 to 3350 PI
How do you transfer fuel?
High Side Fuel Pump ON to push fuel
Cross Feed OPEN
- if pumping on ground w/ APU running to right - will need to turn right pump off
What is max fuel imbalance?
600 lbs
What do scavenge pumps do?
Keep fuel in the collector tank
What are bulk fuel temp limits?
Max bulk fuel temp: 50C
Temp above 45C
* Requires 2800 lbs for departure
* Limit engine run time to 30 minutes with 1000 lbs / side
