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Mesa Airlines Training > UPGRADE - Overhead Panel > Flashcards

UPGRADE - Overhead Panel Flashcards

1
Q

What does the DC service switch power?

A 
Lights (Nav, beacon, service, boarding, toilet and galley dome)
Boarding announcement
Cabin lighting, upward and downward
Service Bus Feed
Power Sensing (Service Bus and TRU)
Chart Holder
Water and Waste Control
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2
Q

What lights will illuminate with the Battery Master ON? (No AC power established)?

A
  • AC ESS XFER switchlight
  • the INOP portion of L&R boost pump switchlight
  • The FAULT portion of the PRESS CONT switchlight
  • The OFF portion of the L&R PACK switch light
  • MACH TRIM switch light
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3
Q

Regarding the AC switchlight, what does the illumination of the AVAIL portion indicate?

A

The system has the correct voltage, frequency and phase

400 HZ, 115 volts, 3 phase

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4
Q

Regarding the IDG guarded switchlight, what does the illumination of the FAULT portion indicate? DISC portion?

A

Associated IDG has either Low Oil PSI, or high oil temp

The DISC portion indicates that the associated IDG has been disconnected

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5
Q

What does the illumination of the AC ESS XFER switchlight indicate?

A

AC Bus 1 is not powering the AC ESS BUS

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6
Q

What should a generator be reset?

A

When directed by the QRH (Example QRH ELEC 12)

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7
Q

Regarding the AUTO XFER switchlight, what does the illumination of the FAIL portion indicate?

A

The associated GCU (Generator Control Unit) has detected a Bus fault or generator over current
Affected generator is taken offline
GCU inhibits the auto transfer system on the affected side
Associated AC BUS can no longer be powered by the APU or offside

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8
Q

What is associated with the successful fire test?

A
  • FIRE SYS OK advisory message
  • LH ENG, RH ENG, and APU FIRE PUSH switchlight illuminate
  • LH, RH and APU BOTTLE ARMED PUSH TO DISCHARGE switchlight illuminate
  • Both Master Warning Flashers illuminate
  • FWD & AFT CARGO SMOKE PUSH switchlights illuminate
  • Cargo BOTTLE ARMED PUSH TO DISCHARGE switchlight illuminate
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9
Q

What is the function of the L/R HYD SOV guarded switchlight?

A

To interrupt the flow of hydraulic fluid to the associated EDP (Engine Driven Pump)

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10
Q

Regarding the L or R Boost pump, what does the INOP portion of the switchlight indicate? The ON portion?

A
  1. The pump outlet PSI is too low (INOP) or Failed

2. The pump outlet PSI is satisfactory (ON)

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11
Q

What does the FAIL portion of the GRAVITY XFLOW switchlight indicate?

A

The gravity crossflow valve is not in the commanded position

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12
Q

Regarding the L or R XFLOW switchlight, what does the FAIL portion of the switchlight indicate? The ON portion?

A
  1. Respective crossflow SOV is not in the commanded position or crossflow pump failed to energize with L or R crossflow SOV selected open
  2. ON crossflow pump energized, fuel directed into low tank
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13
Q

Explain the function of the XFLOW AUTO OVERRIDE switchlight, Pressed IN/OUT?

A
  1. Pressed in arms the crossflow pump for manual crossflow and inhibits the auto crossflow function (switch is illuminated)
  2. Pressed out crossflow pump is disarmed for manual use and auto crossflow is available. (Switch not illuminated)
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14
Q

WING A/I CROSS BLEED rotary switch

A
  1. From left the right wing anti-icing valve is closed and the crossbleed valve opens to permit bleed air from the left engine to provide anti-icing to both wings
  2. From right the left wing anti-icing valve is closed and the crossbleed valve opens to permit bleed air from the right engine to provide anti-icing to both wings
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15
Q

BLEED VALVES rotary switch

A
  1. AUTO allows for automatic operation the bleed valve
  2. CLSD selects the valves to the closed position
  3. MANUAL allows for manual open or closed operation of the valve (controlled by the ACSC) ISOL toggle switch
    - CLSD allows the valve to open automatically when the APU LCV is opened; during crossbleed starts and cycled open/closed during the automatic transfer of bleeds between the APU and engines
    - OPEN allows manual operation of the valve in conjunction with the BLEED VALVES rotary switch in the manual position
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16
Q

BLEED SOURCE rotary switch

A
  1. BOTH ENG the left and right engines bleed valve is open if both engines are capable of supplying bleed air. The APU LCV is closed (normal operations)
  2. L ENG the left engine bleed valve is opened if the left engine is capable bleed air. The right engine bleed valve and the APU LCV are closed
  3. R ENG the right engine bleed valve is open if the right engine is capable of supplying bleed air. The left engine and the APU LCV are closed
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17
Q

PWR/FUEL switch (APU)

A
  1. Pressed in ECU is powered, APU IN BITES (built in test) status message
  2. APU SOV OPEN status message
  3. Air inlet door opens
  4. APU RPM and EGT gauges are displayed on the EICAS status page
  5. Fuel pump comes on
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18
Q

PUMP FAIL portion of the switchlight illuminates (APU)

A

indicates a failed APU pump

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19
Q

SOV FAIL portion of the switchlight (APU)

A

Indicates APU SOV not in the commanded position

20
Q

START/STOP switchlight

A
  1. Pressed in ignition is activated
  2. Starter motor is energized
  3. Fuel shutoff valve opens
  4. Start switchlight illuminates
  5. APU START status message is displayed
21
Q

L/R START switchlight

A
  1. Pressed in, isolation valve opens
  2. Associated start valve opens
  3. START switchlight illuminates
  4. L or R ENGINE START status message displayed
22
Q

STOP switchlight (APU)

A

Discontinues the start sequence by closing the ATS (air turbine starter) valve on the associated engine

23
Q

CONT switchlight

A

Engages the continuous ignition

24
Q

Toggle switch 1 (1B)

A
  1. AUTO position allows pump 1B to operate when its respective BUS is powered and at least 1 generator online and the flaps out of the zero position
  2. ON position allows the pump to operate when its respective BUS is powered and at least 1 generator online, regardless of flap position (Manual mode)
  3. OFF position, pump is off
25
Q

Toggle switch 3A

A
  1. ON position allows the operation of the AC motor pump 3A

2. OFF position, the pump is off

26
Q

Toggle switch 3B and toggle switch 2 (2B)

A

Have the same operation as toggle switch 1 (1B)

27
Q

LDG ELEV control knob

A

Pre-selects the landing field elevation

28
Q

MAN ALT toggle switch

A
  1. Controls the cabin pressurization in manual mode
  2. UP/DN commands the cabin altitude to climb or descend
  3. HOLD holds the selected cabin altitude
29
Q

EMER DEPRESS guarded switchlight

A
  1. Pressed in the manual DC motor will drive the outflow valve to fully open. Depressurization the airplane, switchlight illuminates
30
Q

PRESS CONT switchlight

A
  1. Pressed in allows the outflow valve to be manually operated, in conjunction with the MAN RATE toggle and rotary switches (MAN portion of the switchlight illuminates
  2. The FAULT portion of the switchlight illuminates indicates both pressurization controllers have failed
31
Q

MAN RATE knob

A

With the cabin pressurization in the manual mode, controls the rate of change of the cabin altitude

32
Q

PACK (Pneumatic Air Conditioning Kit) L or R

A
  1. L PACK switchlight pressed in supplies the flight deck through the mixing manifold
  2. R PACK switchlight pressed in supplies the passenger cabin through the mixing manifold
33
Q

FAULT portion of the switchlight on PACK illuminates

A
  1. Indicates either an over temperature or over pressure condition
34
Q

The OFF portion of the switchlight illuminates

A

Indicates that the associated PACK is off

35
Q

RECIRC toggle switch

A

ON energizes both recirculation fans

OFF de-energizes both recirculation fans

36
Q

RAM AIR guarded switchlight

A

Selecting switch to OPEN allows air from the ram air scoop to enter the mixing manifold. This will allow flight deck and passenger cabin ventilation (switchlight illuminates)

  • Used when BOTH PACKS FAIL
37
Q

L and R MAN switchlights

A

Pressed in allows for manual control of the airflow through the PACK by direct actuation of the temperature control valve (switchlight illuminates)

38
Q

HOT/COLD toggle switches

A

Increases or decreases flight deck or passenger cabin temperature in manual mode

39
Q

CKPT and CABIN rheostat control knobs

A
  1. Allows the auto temperature control via the ACSC mixing hot and cold air
  2. Allows the pilot to set a pre-selected temperature in the flight deck as well as the passenger cabin
40
Q

CARGO switch (3 positions)

A
  1. OFF; closes intake and exhaust SOVs to seal aft cargo bay enclosure
  2. AIR; SOVs opened to allow recirculated or conditioned air to ventilate the aft cargo bay
  3. COND AIR: Will provide automatic temperature control of aft cargo bay utilizing electric heater
41
Q

WING toggle switch

A

ON: AILC (Anti-Leak Detection Controller) modulates the wing anti-icing valves

White: N2 Arcs appear 0-77%

42
Q

COWL LH and RH toggle switches

A

ON: allows the cowl anti-ice SOVs to open which will allow bleed air into the leading edge of the cowls via a piccolo tube

43
Q

DET TEST switchlight (3 separate functions)

A
  1. The switchlight is used to test the ice detector circuitry and probes. Successful test will be indicated by an ICE caution and illumination of the DET TEST switchlight
  2. Pressed in and hold by the pilot will test the probes and sensor heaters. Successful test will be indicated by a green ADS HEAT TEST OK advisory message
  3. When in icing conditions with the wing or cowls off, the switchlight will illuminate, along with an ICE caution message
44
Q

WSHLD LH and RH toggle switches

A
  1. Low; All 4 panels are heated to 24 degrees C

2. HI; Windshields are heated to 41 degrees C

45
Q

WSHLD TEST button

A
  1. Pressed in, Initiates a self-test of the windshield heating system. A successful test is indicated by the L and R WSHLD HEAT and L and R WINDOW HEAT caution message (windshields and windows must be energized prior to the test)
46
Q

PROBES toggle switches

A
  1. ON: On ground with AC power supplied, TAT and pitot bases are off

Static and AOA vane are heated

Pitot heads are half heated

Mesa Airlines Training (26 decks)

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