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CL-65 Study Guide > Overhead Panel > Flashcards

Overhead Panel Flashcards

1
Q

What Does the DC service switch power do?

A 
1) Lights (NAV, beacon service, boarding, toilet, 
and galley dome
2) Boarding Announcement 
3) Cabin Lighting, upward and downward
4) Service Bus Feed
5) Power Sensing (service bus and TRU) 
6) Chart Holder Holder
7) Water and Waste control
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2
Q

What lights will illuminate with the Battery Master On? (No AC power est.)

A

1) The AC ESS XFER switch light
2) The INOP portion of L/R boost pump switch lights
3) The fault portion of the PRESS CONT switch light
4) The OFF portion of the L/R PACK switch lights
5) MACH TRIM switch light

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3
Q

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

A

The system has the correct voltage, frequency and phase

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4
Q

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

A

1) Associated IDG has either low oil or psi, or high oil temp
2) 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 switch light indicate?

A

AC BUS 1 is not powering the AC ESS BUS

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6
Q

When should a generator be reset?

A

When directed by the QRH (ex. QRH ELEC 12)

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7
Q

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

A

1) The associated GCU (Generator Control Unit) has detected a BUS fault or generator overcurrent
2) Affected generator is taken offline
3) GCU inhibits the auto transfer system on the affected side
4) 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

1) FIRE SYS OK advisory message
2) LH ENG, RH ENG, and APU FIRE PUSH switch light illuminate
3) LH, RH and APU BOTTLE ARMED PUSH TO DISCHARGE switch light illuminate
4) Both Master Warning Flashers illuminate
5) FWD & AFT CARGO SMOKE PUSH switch lights illuminate
6) Cargo BOTTLE ARMED PUSH TO DISCHARGE switch light illuminates

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9
Q

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

A

To interrupt the flow of hydraulic fluid associated to the EDP (Engine driven pump)

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10
Q

Regarding the L or R Boost Pump, what does the INOP portion of the switch light indicate? The ON portion?

A

1) The pump outlet psi is too low ( INOP)

2) The pump outlet psi is satisfactory ( ON)

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11
Q

What does the FAIL portion of the Gravity XFLOW switch light indicate?

A

The gravity crossflow valve is not in the commanded position

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12
Q

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

A

1) Respective crossflow SOV os 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 switch light. 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 cross bleed 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 cross bleed 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 of the bleed valve
2) CLSD selects the valve in the closed pos.
3) MANUAL allows for manual open or closed operation of the valve (controlled by the ACSC) ISOL toggle switch

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16
Q

ISOL Switch

A

1) CLSD allows the valve to open automatically when the APU LCV is opened; during cross bleed starts and cycled open/closed during the automatic transfer of bleeds between the APU and engines
2) OPEN allows manual operation of the valve in conjunction with the BLEED VALVES rotary switch in the manual position

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17
Q

BLEED SOURCE rotary switch

A

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

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18
Q

PWR FUEL Switch

A

1) Pressed in ECU is powered, APU INBITE (built in test) status msg
2) APU SOV OPEN status msg
3) Air inlet doors open
4) APU RPM and EGT gauges are displayed
5) Fuel pump comes on

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19
Q

PUMP FAIL portion of the switch light illuminates

A

Indicates a failed APU pump

20
Q

SOV FAIL

A

Indicates the APU SOV not in the commanded position

21
Q

START/STOP switch light

A

1) Pressed IN ignition activated
2) Starter motor is energized
3) Fuel shut off valve opens
4) Start switch light illuminates
5) APU START status msg is displayed

22
Q

L/R START switch light

A

1) Pressed IN, isolation valve opens
2) Associated start valve opens
3) START switch light illuminates
4) L or R ENGINE START status msg displayed

23
Q

STOP switch light

A

Discontinues the start sequence by closing the ATS valve on the associated engine

24
Q

CONT switch light

A

Engages the continuous ignition

25
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 the flap position (manual mode)
3) OFF position, pump is off

26
Q

Toggle Switch 3A

A

1) ON Position allows the operation os the AC Motor Pump 3A

2) OFF position, pump is off

27
Q

Toggle Switch 3B and Toggle Switch 2 (2B)

A

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

28
Q

LDG ELEV control knob

A

Pre-selects the landing field elevation

29
Q

MAN ALT toggle switch

A

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

30
Q

EMER DEPRESS guarded switch light

A

Pressed in the manual DC motor will drive the outflow valve to fully open. Depressurizes the airplane. switch light illuminates

31
Q

PRESS CONT switch light

A

Pressed in allows the outflow valve to be manually operated, in conjunction with the MAN RATE toggle and rotary switches. (MAN portion of the switch light illuminates)
2) The Fault portion of the switch light illuminates and indicates both pressurization controllers have failed

32
Q

MAN RATE

A

With the cabin pressurization in the man mode, controls the rate of change of the cabin alt

33
Q

PACK (Pneumatic air condition 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 PAX cabin through the mixing manifold
- The FAULT portion of the switchlight illuminates
- –Indicates either an over temp or over press condition
- The OFF portion of the switch light
- –The PACK is off

34
Q

RECIRC toggle switch

A

1) ON energizes both recirculation fans

2) OFF de-energizes both recirculation fans

35
Q

RAM AIR “guarded” Switch light

A

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

36
Q

L and R MAN switch lights (PACK)

A

Pressed in allows for manual control of the airflow through the PACK by direct actuation of the temperature control valve (switch light on)

37
Q

HOT/COLD toggle switch

A

increases or decreases flight deck or pax cabin temp in manual mode

38
Q

CKPT and CABIN rheostat control knobs

A

1) Allows for auto temperature control via the ACSC mixing hot and cold air
2) Allows the pilot to set a pre-selected temp in the flight deck as well as the PAX cabin

39
Q

CARGO switch

A

1) OFF: closes intake and exhaust SOV’s to seal aft cargo bay closure
2) AIR: SOV’s opened to allow recirculated or conditioned air to ventilate the aft cargo bay
3) COND AIR: Will provide automatic temp control of the aft cargo bay utilizing electric heater

40
Q

WING (A/I) toggle switch

A

1) AILC (anti-ice leak detection controller) modulates the wing anti-icing valves
2) White N2 arcs appear. 0-77%

41
Q

COWL LH and RH toggle switches

A

1) ON: allows the cowl anti-ice SOV’s to open which will allow bleed air into the leading edge of the cowls via a piccolo tube
2?

42
Q

DET Test switch light(provides 3 different functions)

A

1) The switch light 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 switch light
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 msg
3) When in icing conditions with the wings or cowls off, the switch light will illuminate, along with an ICE caution msg

43
Q

WSHLD LH and RH toggle switches

A

1) Low: All 4 panels are heated to 24°C

2) HI: Windshields are heated to 41°C

44
Q

WSHLD TEST button

A

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 msg (windshields and windows must be energized prior to test)

45
Q

PROBES toggle switches

A

1) ON: On ground with AC power supplied, TAT an pitot bases are off
2) Static and AOA are heated
3) Pitot heads are half heated

CL-65 Study Guide (25 decks)

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