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Atlas > EMB Systems > Flashcards

EMB Systems Flashcards

1
Q

How do you start an engine with an inop APU?

A
  • Follow the supplemental procedures.
  • Advise ATC, Pax, Ground
  • Connect pneumatic Air
  • Start the engine and attach the generator
  • Disconnect the pneumatic Air and GPU
  • X-bleed 2nd engine
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2
Q

What are you looking for on your walk around? Talk me thru a walk around

A
  • Set the brake
  • External lights as required
  • Big Picture
    o Take a look at the plane from the distance
    o Fluids, access doors and panels are closed, antennas
    • Is anything missing, damaged, leaking
    o Who is around the a/c, what is being loaded
    o FOD
  • L1 door
  • GPU
  • Nose gear bay
    o Gear Pin
    o Up-lock hook
    o Strut
    o Nose Light
    o Tire condition and inflation
  • Cockpit windows, windshield wipers
  • Smart Probe, TAT sensor, ice detector
  • Radome
  • Avionics door
  • RAT
  • R1 door
  • Oxygen discharge indicator
  • Fwd Cargo
  • Red beacon
  • Ram Air Inlet
  • Wing Root and Wing Root Lights
  • Engine
    o Nacelle
    o Reverser
    o T2 sensor
    o Blades
    o Fluid, not more than 4in
  • Wing
    o Slats
    o Refueling panel
    o Overpressure relief
    o NAV and Strobe lights
    o Static discharges, 2: aileron/5: winglet
    o Flaps
    o Ailerons
  • Landing Gear
    o Uplock hook
    o Locking pin
    o Strut
    o Brake wear pins
    o Tire condition and inflation
    o Fluid
  • Wheel Well
    o Damage or fluid
  • Aft Cargo
  • R2 door
  • Out flow Valve, Positive Pressure, Negative pressure relief valve
  • Tail
    o Trim
    o Elevator
    o Rudder
    o Lights
    o Static dischargers, 3 - Elevator/4 rudder
  • APU
    o Vent
    o DC GPU
  • Pressurization Static Port
  • Continue LH side, Wheel well, Landing Gear
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3
Q

Explain the Air Management System

The AMS is ___ unit with ___ channels

-	Consist of the \_\_\_\_\_\_\_\_ and \_\_\_\_\_\_\_\_ 
o	Provides control of:
\_\_\_\_\_\_\_\_
\_\_\_\_\_\_\_\_
\_\_\_\_\_\_\_\_
\_\_\_\_\_\_\_\_
\_\_\_\_\_\_\_\_
The Pneumatic system uses bleed air for
\_\_\_\_\_\_\_\_
        \_\_\_\_\_\_\_\_
        \_\_\_\_\_\_\_\_
\_\_\_\_\_\_\_\_
\_\_\_\_\_\_\_\_
\_\_\_\_\_\_\_\_
A

The AMS is 1 unit with 2 channels
- Consist of the Pneumatic and Environmental Control System
o Provides control of bleed air, air conditioning, hot air leak detection, crew oxygen monitoring, wing and engine ice protection
- The Pneumatic system uses bleed air for
o Environmental Control System
• Pressurized and conditioned air
• Ram air for smoke ventilation
o Engine Start
o Engine and wing anti-ice
o Water pressurization

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4
Q

Explain the Electrical system

________V AC ________KVa ________HZ ________phase

	\_\_\_\_\_\_ IDGs
o	\_\_\_\_\_\_ APU
o	\_\_\_\_\_\_inverter \_\_\_\_\_\_ DC to \_\_\_\_\_\_ AC
•	AC STBY BUS: \_\_\_\_\_\_
o	1 RAT: \_\_\_\_\_\_VAC, \_\_\_\_\_\_VA, \_\_\_\_\_\_ Hz(cycle per second), \_\_\_\_\_\_phase
•	AC ESS BUS: \_\_\_\_\_\_ 
o	\_\_\_\_\_ AC GPU
-	\_\_\_\_\_\_V DC system
o	\_\_\_\_\_\_ NiCd batteries
•	\_\_\_\_\_\_V DC, \_\_\_\_\_\_A
•	\_\_\_\_\_\_ min of emergency power
o	3 TRUs: \_\_\_\_\_\_V AC to \_\_\_\_\_\_V DC
o	\_\_\_\_\_\_ DC GPU
A

-115V AC(pressure), 40 kVA(Volume), 400 Hz(cycle per second), 3-phase
o 2 IDGs
o 1 APU
o 1 inverter 28V DC to 115V AC
• AC STBY BUS: Engine Exciters 1A/2A
o 1 RAT: 115VAC, 15kVA, 400 Hz(cycle per second), 3-phase
• AC ESS BUS: AC Fuel Pump 2A, ACMP 3A, Slat/Flat
o 1 AC GPU

-	28V DC 
o	2 NiCd batteries
•	22.8V DC, 27A
•	10 min of emergency power
o	3 TRUs: 115V AC to 28V DC
o	1 DC GPU
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5
Q

What is an Integrated Control Center (ICC)

A
  • Provides power distribution and protection to the buses.
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6
Q

What is a Secondary Power Distribution Assemblies (SPDA)

A
  • Secondary power distribution and protection to the systems and CBs. Receives power from the buses and distributes to the airplane systems
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7
Q

What is Modular Avionics Unit (MAU)

A
  • Housing for the Plug n Play hardware
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8
Q

Explain the types CBs

A
  • Thermal: in the cockpit

- Remote: accessed via the MCDU

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9
Q

When you are only operating on battery power what is being powered and why?

A
  • Mag Compass, PFD(DU2), EICAS(DU3), IESS, FMS-L, RH-MCDU, LT-CCD, Primary VHF/NAV

Capt as PF

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10
Q

If you lose all electric power would you still have brakes and spoilers?

A
  • If the RAT fails to deploy or operate normally after 10 min
    o No Spoilers
    o No normal braking thru pedals
    • Emergency brake, with accumulator, 6 applications
  • If the RAT deploys
    o Yes
  • B737 - Yes
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11
Q

Tell me about the Engine is on the EMB 175

the FADEC

A
  • 2 - GE CF34-8e5a, High-bypass dual rotor turbofan
  • 14,200 lbs of thrust each engine
  • Dual Chanel FADEC that are self powered thru the PMA
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12
Q

Tell me about the APU

\_\_\_\_v, \_\_\_\_kVA, \_\_\_\_ Hz(cycle per second), \_\_\_\_-phase

Pneumatics for ______and _____ (_____ and _____)

A
  • Gas turbine engine with a FADEC
  • 115v, 40kVA, 400 Hz(cycle per second), 3-phase
  • Pneumatics for engine start and ECS (Air Cond. and Pressurization)
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13
Q

Explain Fire Protection: Test, Engines, APU, Cargo, Lav

  • System tests ____lights, ____ messages, ____ lights, ____Bell
-	Engines
o	Monitored by \_\_\_\_ loops
o	\_\_\_\_ Bottles 
o	Pulled Engine Fire handle
•	Shuts off \_\_\_\_
  • APU
    o Monitored by ____ loops
    o Pushbutton: ____
-	Cargo
o	Class \_\_\_\_
o	Fwd \_\_\_\_/Aft \_\_\_\_ Smoke Detectors 
o	Button must be pushed \_\_\_\_x
o	\_\_\_\_ High rate bottle – \_\_\_\_ seconds
o	\_\_\_\_ Low rate bottle – \_\_\_\_ min

o Lav has 1 _______
o Automatic Lav Fire Ext based on ____

A
  • System test
    o 6 lights, 5 messages, 4 lights, Fire Bells
  • Engines
    o Monitored by 2 loops
    o 2 Bottles
    o Pulled Engine Fire handle
    • Shuts off Fuel, Air, Hydraulics, trips off generator
  • APU
    o Monitored by 2 loops
    o Pushbutton: Shuts off fuel and discharges Fire ext. bottle
-	Cargo
o	Class C
o	Fwd 3/Aft 2 Smoke Detectors 
o	Button must be pushed 1/2/3/4x
o	1 High rate bottle – 60 seconds
o	1 Low rate bottle – 60 min
-	Lavs

o Lav 1 Smoke detector
o Automatic Fire Ext based on temperature

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14
Q

Tell me about the Flight Controls

All primary and secondary flight controls are_____________________

A
  • All primary and secondary flight controls are fly by wire via hydraulic actuators (Power Control Units), the Ailerons are connected by cables
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15
Q

Explain the Fuel system

____ wing tanks
o ____: keeps fuel pumps submerged in fuel
o ____: collect fuel that may enter vent system during wing low or uncoordinated turns

o Tanks are connected ____
- ____ measure fuel quantity

o ____: Motive flow pump to feed the engine
o ____: Pump fuel during Engine start or back up if Ejector pump fails, X-Feed, APU
o ____: maintain fuel in collector tank

o ____: Pump fuel to APU when there is no AC power

A
  • 2 wing tanks
    o Collector Tank: keeps fuel pumps submerged in fuel
    o Surge Tank: collect fuel that may enter vent system during wing low or uncoordinated turns
    o Tanks are connected by a cross-feed valve
  • Electric sensors measure fuel quantity
  • Fuel Pumps
    o 2 Ejector pumps: Motive flow pump to feed the engine
    o 2 AC electric pumps: Pump fuel during Engine start or back up if Ejector pump fails, X-Feed, APU
    o 6(3 per side) scavenge ejector pumps: maintain fuel in collector tank
    o DC pump: Pump fuel to APU when there is no AC power
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16
Q

Tell me about the Hydraulics

  • ____ Independent systems Power: ____, ____, ____, ____, ________, _______at ____ PSI
  • HYD Sys 1/2: ____Reservoir, ____Accumulator, ____ Eng. driven and ____AC pump
    o Sys 1: powers:
    ____, ____, ____, ____, ____, ____, ____
    o Sys 2: powers
    • ____, ____, ____, ____, ____, ____, ____, ____, ____

o AC Elec Pump 1 turns on automatically when:
• In Flt ____

• On Ground ____

o AC Elec Pump 2 turns on automatically when:
• In Flt ____
• On Ground ____

-	HYD sys 3
o	\_\_\_\_  Hyd pumps, \_\_\_\_AUTO feature
o	is a Back-up for \_\_\_\_
•	 
o	Pump Unloader when RAT is in use, \_\_\_\_
  • PTU
    o Hyd Sys ____ fluid powered by HYD Sys ____ pump to ____
    o Turns on automatically when:
    • ____ and ____
A
  • 3 Independent systems Power: Flight Controls, Spoilers, Landing Gear, Nose Wheel Steering, Brakes, Thrust Reversers at 3,000 PSI
  • HYD Sys 1/2: 1 Reservoir, 1 Accumulator, 1 Eng. driven and 1 AC pump

o Sys 1: GETMORE
• Ground Spoilers, Elevator, TR, Multi-Function Spoilers, Outboard Brakes, Rudder, Emerg. Parking brake

o Sys 2: GI-METAL-NE
• Ground spoilers, Inboard Brakes, Multi-Function Spoilers, Elevator, TR, Ailerons, Landing gear, Nose wheel steering, Emerg. Parking brake

o	AC Elec Pump 1 turns on automatically when:
•	In Flt
•	EDP or Eng 1 fail or
•	Flaps Greater than 0
•	On  Ground
•	Thrust set for Takeoff or
•	Ground speed greater than 50kts
o	AC Elec Pump 2 turns on automatically when:
•	In Flt
•	EDP or Eng 2 fail or
•	Flaps Greater than 0
•	On Ground
•	Engine 1 running and Brake released
-	HYD sys 3
o	2 AC Hyd pumps, No AUTO feature
o	Back-up Flt Controls
•	Elevator, Rudder, Ailerons 
o	Pump Unloader when RAT is in use, to prevent stalling the RAT 
-	PTU
o	Hyd Sys 2 fluid powered by HYD Sys 1 pump to raise the gear
o	Turns on automatically when:
•	Flaps not 0 and 
•	EDP 2 or ENG 2 fail
17
Q

Explain the Ice and Rain Protection

Electric: _____, _____, _____
o Turn on_____ after engine start or when _____selected on

  • Pneumatic: _____ and _____

o In the Air: _____ based on Ice Detectors

o	On the Ground:
•	\_\_\_\_\_C w/ icing conditions: Set Eng AI ON
•	ENG AI: After Engine Start 
•	\_\_\_\_\_C w/ icing conditions: Set ALL
•	ENG AI: \_\_\_\_\_
•	Wing AI: after \_\_\_\_\_kts
A
  • Electric: Windshield, Smart Probes, TAT Probes
    o Automatically after engine start or when manually selected on
  • Pneumatic: Wing Slats and Engine Cowls
    o In the Air: Automatically based on Ice Detectors
    o On the Ground:
    • 10 – 5C w/ icing conditions: Set Eng AI ON
    • ENG AI: After Engine Start
    • 5 – 0C w/ icing conditions: Set ALL
    • ENG AI: After Engine Start
    • Wing AI: after 60kts
18
Q

Explain the Landing Gear system

  • ______ gear, ______ activated and ______ operated
  • ______ Proximity electronic modules (PSEM),______ on each gear, to determine if the aircraft is on ground or in the air

o ______ bypasses the PSEM

  • Landing Gear can be extended, ______, ______, or by______
  • Landing Gear warning
    o ______ or
    o Less than Full below______ AGL
A
  • Tricycle gear, electrically activated and hydraulically operated
  • 6 Proximity electronic modules (PSEM), 2 on each gear, to determine if the aircraft is on ground or in the air

o Down-lock Release bypasses the PSEM

  • Landing Gear can be extended, Normally, Electrical override, or by Alternate gear extension
  • Landing Gear warning
    o Flaps Full or
    o Less than Full below 700’ AGL
19
Q

Explain the Brake system

  • ______ plugs
  • Auto-brake is armed above _____kts fro RTO
-	Brake by \_\_\_\_\_
o	\_\_\_\_\_ protection
o	\_\_\_\_\_ protection
o	\_\_\_\_\_ Protection
o	Main Gear -\_\_\_\_\_ during retraction
A
  • Fusible plugs
  • Auto-brake is armed above 60kts fro RTO
  • Brake by Wire
    o Locked wheel protection
    o Anti-Skid protection
    o Touchdown Protection
    o Main Gear - Auto wheel braking during retraction
20
Q

Explain the Oxygen system system

  • Crew O2: ______
  • PBE: ______ min
  • Pax O2: drops automatically above ______
A
  • Crew O2: 1150 for 3, 850 for 2
  • PBE: 20 min
  • Pax O2: drops automatically above 14,000’
21
Q

Explain the EGPWS Warning, Caution and colors

o Red: _____ sec, +_______’
o Yellow: _____ Sec, _____’ - _____’
o Green : -_____ – (_____’)

A

o Red: 30 sec, +2,000’
o Yellow: 60 Sec, -250/500’ – 2,000’
o Green : -250/500 – (-2,000’)

22
Q

TCAS RA/TA times

o RA: ________ sec
o TA: _______ sec

A

o RA: 20 – 30 sec

o TA: 35 – 45 sec

23
Q

T/O Config Warning will sound when

A 
o	Parking Brake set
o	Spoiler deployed 
o	Pitch Trim not in Green
o	Flaps not in takeoff position
o	Flaps not matching set position in FMS
24
Q

What would you take into consideration if there is wind-shear advisories on takeoff:

Best policy___________
o Delay Takeoff, wait _____ min

-	When WSHR is suspected: \_\_\_\_\_, \_\_\_\_\_, \_\_\_\_\_, \_\_\_\_\_, \_\_\_\_\_, \_\_\_\_\_, \_\_\_\_\_
o	Turn on\_\_\_\_\_ during taxi
o	\_\_\_\_\_ Thrust
o	Flaps \_\_\_\_\_
o	Increase \_\_\_\_\_speed
o	Use\_\_\_\_\_y
o	WSHR detection: Liftoff – \_\_\_\_\_

o Brief
• WSHR before V1 RTO________

  • After Liftoff with WSHR Alert
  • _____
  • _____
  • WSHR Escape NO Alert
  • _____
  • _____
  • _____
A 
-	Best policy is to Avoid Windshear
o	Delay Takeoff, wait 15 min
-	When WSHR is suspected: TS, Microburst, Convective Clouds, Squall lines, PIREPs, Heavy Rain, Strong variable winds
o	Turn on Wx radar during taxi
o	Max Thrust
o	Flaps 1
o	Increase V2
o	Use longest Runway
o	WSHR detection: Liftoff – 1,500’ AGL   
o	Brief
•	WSHR before V1 RTO
  • After Liftoff with WSHR Alert
  • Thrust Lever Max
  • Follow FD
  • WSHR Escape NO Alert
  • AP Disengage
  • Thrust Lever Max
  • Pitch 20 deg. or PLI whichever is lower
25
Q

What would you take into consideration if there is wind-shear advisories during landing:

_______ the landing if possible or_______
o Analyze Wx with _________

o VAP + ______
o Flaps _____
o _______ Runway
o WSHR detection: Liftoff – _______’

o Brief
• Approach with WSHR caution Alert
• _________

• Approach with WSHR Warning Alert
_____ and _______

  • WSHR Escape NO Alert
  • _____ , ______ and _____
A 
-	Delay the landing if possible or divert
o	Analyze Wx with Wx radar to find the best approach/GA
o	VAP + wind correction
o	Flaps 5
o	Longest Runway
o	WSHR detection: Liftoff – 1,500’    
o	Brief
•	Approach with WSHR caution Alert
•	Capt Discretion 
•	Approach with WSHR Warning Alert
•	Thrust Lever Max
•	Follow FD
•	WSHR Escape NO Alert
•	AP Disengage 
•	Thrust Lever Max
•	Pitch 20 deg. or PLI whichever is lower
26
Q

Severe windshear is define as

A
  • Airspeed changes greater than 15kts

- VSI changes greater than 500 fpm

27
Q

Unacceptable flight path deviations from normal steady state flight

A 
-	In excess of the following:
o	15 kts
o	500 fpm
o	5 deg pitch att
o	1 dot GS
o	Unusual TL position for an extended period of time
28
Q

Flex T/O is automatically canceled

A
  • Diff of 15% between N1
  • OEI
  • Thrust in Max
  • Wshr Detected
29
Q

What would you do if you lost an engine at 500 feet on the visual approach?

A

Control the Airplane and assess the performance
o If any doubt exist GA with Flaps 15
o If Thrust is sufficient continue with landing flaps 30/40
o If Thrust is not sufficient increase speed by 20kts(white bug on a/s tape) set flaps 15
• OEI landing is slightly less than with 2 engines

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