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100問 • 2年前
  • Giovanni
    • 通報

    問題一覧

  • 1

    Where can you find the MaximumTake-Off Weight of the AW139 helicopter?

    Rotorcraft Flight Manual

  • 2

    What does IETPstand for?

    Interactive Electronic Technical Publication

  • 3

    Where can Aircraft weight and balance information be found?

    Rotorcraft Flight Manual - Section 6

  • 4

    What is the meaning of the element "28" in the Data Module Code "39 A 28 11 00 00A 520A A"?

    Applicable AECMA Chapter code

  • 5

    Which publication w ill you consult to establish an Inspection Schedule for the AW139?

    The AMPI (Aircraft Maintenance Planning Information) Chapters 04 and 05

  • 6

    Where can you find procedures to isolate faults?

    In the AFIP(Aircraft Faults Isolation Publication)

  • 7

    Where can you find information about Special Tools?

    In the ITEP(Illustrated Tools and Equipment Publication)

  • 8

    Which statement is true regarding a BT (Bolletino Tecnico/Technical Bulletin) ?

    it is mandatory or optional, according to the BT type

  • 9

    Which publication contains the description and specification of a consumable material?

    Material Data Information

  • 10

    How is the Maintenance Manual structured?

    With Data Modules

  • 11

    Which manual contains the w iring diagrams?

    AWDP

  • 12

    Which publication contains the complete list of FAULT CODES view ed on the CMC?

    AFIP(Aircraft Fault Isolation Publication)

  • 13

    Where can the latest list of BT (Bollettini Tecnici) issued by Agusta be found?

    On the AgustaWestland Customer Supportwebsiteorcontacting the Agusta 24-hour Service Desk

  • 14

    In the RFM, what is the location of the procedures for w arning/caution annunciators that appear on the PFD?

    In the Emergency Procedures chapter (red tab) in Section 3

  • 15

    What "Tolerance" is permitted on the components subject to discard time?

    No tolerance is permitted on the discard time

  • 16

    How many Jacking Points does the AW139 helicopter have?

    4

  • 17

    What action must be carried out prior to helicopter weighing?

    An Adapter Bracket must be installed betw een the tw o Forw ard Jacking Points

  • 18

    Where are the charts used for helicopter weighing procedure located (charts A, B, C, D and E)?

    In the Rotorcraft Flight Manual, Section 6

  • 19

    Where are the charts that provide the CG limitations located?

    Section 1 of the Rotorcraft Flight Manual (Limitations)

  • 20

    Which procedure states the requirement that one of the M/R blades has to be aligned w ith the tailboom and that the Rotor Brake has to be engaged?

    Helicopter Weighing pesatura

  • 21

    What precaution must be in place w hen tow ing the helicopter?

    A qualified person must sit in the cockpit to operate w heel brakes

  • 22

    What precautions must be observed w hen parking the helicopter?

    The Park Brake must be ON, Rotor Brake must be ON

  • 23

    Which is the correct switch setting in order to perform the External Power electrical connect procedure for maintenance?

    EXT PWR= ON

  • 24

    Which is the correct battery configuration in order to p e r f o r m t h e EXT PWR d i s c o n n e c t p r o c e d u r e ?

    Auxiliary battery connected

  • 25

    Within w hat period of time should the Engine Oil Level be checked after shutdown?

    Ten minutes

  • 26

    How is oil drained fromthe Main Gearbox (MGB)?

    Via an Electrical Pump Quick Disconnect Coupling

  • 27

    How is oil drained fromthe Intermediate Gearbox (IGB)?

    Using a tool connected to the Chip Detector

  • 28

    Which w eights may be altered during the Main Rotor Track and Balance Check

    Weights inside the blade installation bolt

  • 29

    How is lateral vibration on the helicopter reduced?

    By weights in the Blade Bolts only

  • 30

    Where are the Vibration Velocimeters installed?

    Behind the Pilot Seat and on the Tail Rotor Gearbox

  • 31

    What is the approved method of bending the outer and inner trimtabs for track and balance purpose?

    Inner and outer tabs must be bent in the same direction

  • 32

    Which air conditioning system is controlled by number 1 ECS control box?

    FWD COND system

  • 33

    Which conditions are necessary for the air conditioning systemto operate?

    Helicopter in flight or on the ground with both engines running

  • 34

    Which indications are displayed in the CAS w indow w hen the air conditioning system is set to ON?

    AIR COND ON advisory

  • 35

    What is the purpose of the Temperature Sw itch in the Heating system?

    it closes the Heating system shut-off valves on the engine when the temperature of the Heating systemduct air exceeds a maximumvalue

  • 36

    Where is the Heating Control Box located?

    Rear avionic bay, LHside

  • 37

    When does the Heating Control Box control the Temperature Control Valve?

    When COND/HEATER selector is in AUTO mode only

  • 38

    Where are the Cockpit Ventilation Ram Air Inlets located?

    Underneath the Forw ard Fuselage/Cockpit Section

  • 39

    What happens w hen the Cockpit Ventilation System is switchedfromOFFtoFANLOWor FANHIGH?

    Cockpit Flapper Valves open and then the Ventilation Fans operate

  • 40

    how is the Ventilation Flapper Valve opened and closed?

    Electrically by a motor

  • 41

    Which statement most closely describes the Engine Bleed Air Shutoff Valve?

    It is an energised-open (de-energized closed) solenoid valve

  • 42

    Where is the Engine Bleed Air and Ambient Air mixed?

    In the Jet Pump (Venturi Duct).

  • 43

    When the HTR selector is set to AUTO, w hich sensor provides temperature data for heat control to the Heater Control Box?

    Outside Air Temperature (OAT) Sensor

  • 44

    Which component controls the amount of Engine Bleed Air to meet the selection made by the pilot?

    Temperature Control Valve

  • 45

    Which statement is true w ith respect to the selection of the ATT mode for the Autopilot?

    It is automatically selected w hen the Autopilot is engaged

  • 46

    What happens if the cyclic FTR (Force Trim Release) sw itch is pressed w hile the Flight Director is in the HDG (Heading) mode?

    The AProll channel ignores the HDG command

  • 47

    At what speed is the VS (Vertical Speed) mode automatically disengaged?

    When the airspeed goes below 55 KIAS

  • 48

    With the CPL light illuminated, w hat happens if the CPL button on the Autopilot Controller is pressed?

    The Flight Director is uncoupled from the autopilot

  • 49

    What is the function of the PFDbutton on the Guidance Controller?

    it permits the Pilot to determine w hich PFD data is used by the Flight Director

  • 50

    What happens if the PFD button is pressed on the Guidance Controller w ith any Flight Director Mode(s) selected?

    The active FD Mode(s) disengage

  • 51

    At w hat minimum airspeed can the IAS FD (Flight Director) mode be engaged?

    60 KIAS

  • 52

    What autopilot (AP) components control the Trim actuators?

    The first AP to come on line

  • 53

    How many Actuators are installed on the AW139?

    3 Dual Linear Actuators, 4 Trim Actuators

  • 54

    How is the actual position of the Linear Actuator fed back to the AIOPModule?

    Via a Linear Variable Differential Transformer (LVDT)

  • 55

    Which units performthe FD(Flight Director) computation.

    MAU(Modular Avionic Units)

  • 56

    Which of the following conditions can cause the AFCS TEST ABORT caution to appear in the CAS?

    Feet on pedals

  • 57

    How can the GA mode be engaged?

    Pressing the GA pushbutton on the Collective, provided that airspeed is higher than 60 KIAS

  • 58

    What happens w hen the DCL pushbutton on the Guidance Controller is pressed?

    Approach and Deceleration modes are armed, HDG and IAS modes are engaged

  • 59

    How is AFCS affected by AHRS1 failure and how can that be recovered?

    AP1 disengages and cannot be re-engaged

  • 60

    What does the MISTRIMcaution message indicate?

    Linear actuator(s) are not centered

  • 61

    How do the clutches in the Pitch and Roll Trim Actuators behave w hen the FTR sw itch on the cyclic stick is pressed?

    They open for as long as the switch is pressed and Pitch and Roll Linear Actuators are re-centered

  • 62

    How does the clutch in the Yaw Trim Actuator behave when pilot puts feet on pedals?

    it opens for as long as the switch is pressed

  • 63

    How do the Pitch and Roll Linear Actuators behave w hen the FTR sw itch on the cyclic stick is pressed?

    They are re-centered

  • 64

    Is it possible to performthe AFCS Self-Test during flight?

    No, never

  • 65

    Is it possible to manually sw ap the Trim Master during flight?

    Yes, in any condition

  • 66

    Which of the following statements is true regarding the FTR (Force Trim Release) sw itches?

    They operate the clutch inside the Trim Actuators

  • 67

    How are the Actuators of the Autopilot system controlled?

    Trim Actuators by Pulse Width Modulation (PWM) signals; Linear Actuators by Control Area Netw ork (CAN) digital buses

  • 68

    Which MAU Module does the Autopilot Control Panel interface with?

    Control I/O (CIO) and Actuator I/O and Processor (AIOP) modules

  • 69

    Which of the following events disengages the HDG mode of the FD?

    Capture of the VOR course w ith NAV mode armed

  • 70

    Which of the following events disengages the ALT mode of the FD?

    Pressing the PFD button on the Guidance Controller

  • 71

    Which is the default mode for the Autopilot systemat power up?

    ATT mode

  • 72

    Which flight control channels are provided with Dual Linear Actuators?

    Pitch, Roll, Yaw

  • 73

    Which conditions w ill allow the AFCS Test to be initiated?

    Normal Hydraulic pressure (207 bar) and no APengaged

  • 74

    Which modules control the movement of the Flight Controls in the AFCS system?

    Actuator I/O w ith Processor modules (AIOP)

  • 75

    Which statement is true w ith respect to the ATT mode of the Autopilot?

    When SAS mode is engaged, the ATT mode can only be manually selected

  • 76

    Which Autopilot controls the Trim Actuators?

    First APselected (TrimMaster)

  • 77

    Where are the AFCS modules located?

    Modular Avionics Units (MAU)

  • 78

    When the detent sw itch is actuated (due to pilot manually moving the filght controls) how is the associated trim motor operation affected?

    Motor does not operate

  • 79

    in addition to a SAS Mode selection, w hen w ill the AP automatically disengage the ATT Mode?

    Cyclic Trimis disengaged

  • 80

    What effect w ill any Cyclic Lateral Beep Trim operation have on a 4 axis AFCS?

    Modifies the selected HDG value

  • 81

    What is the CAB push-button on the PLT and CPLT Audio Control Panel used for?

    To connect the PLT or CPLT Audio Control Panel to the Cabin Audio Control Panel

  • 82

    Whereis theNetworkInterfaceModule(NIM) located?

    Modular Radio Cabinet (MRC)

  • 83

    What type of Data Bus connects the NIM w ith the Radio Modules installed in the MRC?

    RCB (Radio Control Bus)

  • 84

    What is the software loading requirement following a COM1 Radio Module replacement?

    No software loading is required

  • 85

    What data is it necessary to restore following the replacement of MRC No.2 Chassis?

    The data inside the APMNo.4

  • 86

    If the NIMin MRC2 is faulty, which radio modules are available?

    COM1, NAV1 in normal mode COM2, NAV2, and XPDR in backup mode only ADF, DMEare no longer available

  • 87

    What is the function of the RADMSTRswitch on the MISC panel?

    Turns on or off the power supply of NAV1, COM2, ADF and DME radios

  • 88

    When RAD MSTR sw itch is moved to GND, w hat is the expected status of VHF COM 2 radio?

    Not powered

  • 89

    What happens w hen the CHM 1 pushbutton is pressed on pilot or copilot Audio Panel and its LED illuminates?

    in the cabin the NO SMOKING w arning light is illuminated and the loudspeakers sound a chime

  • 90

    How is MCDU1 affected by a failure of MAU1?

    MCDU 1 automatically shows the BACKUP RADIO page

  • 91

    What type of audio signals interface the VHF1 radio transceiver and the copilot audio control panel?

    Both digital audio buses and analog standard wiring

  • 92

    Where is the Modular Radio Cabinet (MRC) No.2 installed?

    In the nose compartment

  • 93

    How are the CCD and MCDU used to tune a VHF Radio?

    CCDand MCDUcan be used for normal operation; MCDUonly for backup operation

  • 94

    When w ill the VHF System transmit and receive data through the RCB (Radio Control Bus) to the NIM (Netw ork Interface Module)?

    During normal operation

  • 95

    When an over temperature condition is detected in a VHF Module, how are the MRC Cooling Fans controlled?

    By theNetworkInterfaceModule(NIM)

  • 96

    What is the recovering action if, during flight, all COM1 and NAV1 frequency indicators on the PFDshow yellow dashes at once (associated radios become unserviceable)?

    The Copilot can select Backup Mode on both MCDU and Audio Control Panel to keep using them.

  • 97

    How is the Push-to-Transmit keying achieved?

    Using the Cyclic Switch or the Foot Switch

  • 98

    Where is MRC No.1 located?

    Nose Compartment, LH side

  • 99

    What is the minimum on-side Main Bus voltage required prior to starting the engines?

    23 Volts

  • 100

    When starting an engine using the helicopter batteries what are the primary functions of the batteries?

    The Main Battery power is used to start the engine w hile the Auxiliary Battery is only used to feed the Essential bus bars

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    問題一覧

  • 1

    Where can you find the MaximumTake-Off Weight of the AW139 helicopter?

    Rotorcraft Flight Manual

  • 2

    What does IETPstand for?

    Interactive Electronic Technical Publication

  • 3

    Where can Aircraft weight and balance information be found?

    Rotorcraft Flight Manual - Section 6

  • 4

    What is the meaning of the element "28" in the Data Module Code "39 A 28 11 00 00A 520A A"?

    Applicable AECMA Chapter code

  • 5

    Which publication w ill you consult to establish an Inspection Schedule for the AW139?

    The AMPI (Aircraft Maintenance Planning Information) Chapters 04 and 05

  • 6

    Where can you find procedures to isolate faults?

    In the AFIP(Aircraft Faults Isolation Publication)

  • 7

    Where can you find information about Special Tools?

    In the ITEP(Illustrated Tools and Equipment Publication)

  • 8

    Which statement is true regarding a BT (Bolletino Tecnico/Technical Bulletin) ?

    it is mandatory or optional, according to the BT type

  • 9

    Which publication contains the description and specification of a consumable material?

    Material Data Information

  • 10

    How is the Maintenance Manual structured?

    With Data Modules

  • 11

    Which manual contains the w iring diagrams?

    AWDP

  • 12

    Which publication contains the complete list of FAULT CODES view ed on the CMC?

    AFIP(Aircraft Fault Isolation Publication)

  • 13

    Where can the latest list of BT (Bollettini Tecnici) issued by Agusta be found?

    On the AgustaWestland Customer Supportwebsiteorcontacting the Agusta 24-hour Service Desk

  • 14

    In the RFM, what is the location of the procedures for w arning/caution annunciators that appear on the PFD?

    In the Emergency Procedures chapter (red tab) in Section 3

  • 15

    What "Tolerance" is permitted on the components subject to discard time?

    No tolerance is permitted on the discard time

  • 16

    How many Jacking Points does the AW139 helicopter have?

    4

  • 17

    What action must be carried out prior to helicopter weighing?

    An Adapter Bracket must be installed betw een the tw o Forw ard Jacking Points

  • 18

    Where are the charts used for helicopter weighing procedure located (charts A, B, C, D and E)?

    In the Rotorcraft Flight Manual, Section 6

  • 19

    Where are the charts that provide the CG limitations located?

    Section 1 of the Rotorcraft Flight Manual (Limitations)

  • 20

    Which procedure states the requirement that one of the M/R blades has to be aligned w ith the tailboom and that the Rotor Brake has to be engaged?

    Helicopter Weighing pesatura

  • 21

    What precaution must be in place w hen tow ing the helicopter?

    A qualified person must sit in the cockpit to operate w heel brakes

  • 22

    What precautions must be observed w hen parking the helicopter?

    The Park Brake must be ON, Rotor Brake must be ON

  • 23

    Which is the correct switch setting in order to perform the External Power electrical connect procedure for maintenance?

    EXT PWR= ON

  • 24

    Which is the correct battery configuration in order to p e r f o r m t h e EXT PWR d i s c o n n e c t p r o c e d u r e ?

    Auxiliary battery connected

  • 25

    Within w hat period of time should the Engine Oil Level be checked after shutdown?

    Ten minutes

  • 26

    How is oil drained fromthe Main Gearbox (MGB)?

    Via an Electrical Pump Quick Disconnect Coupling

  • 27

    How is oil drained fromthe Intermediate Gearbox (IGB)?

    Using a tool connected to the Chip Detector

  • 28

    Which w eights may be altered during the Main Rotor Track and Balance Check

    Weights inside the blade installation bolt

  • 29

    How is lateral vibration on the helicopter reduced?

    By weights in the Blade Bolts only

  • 30

    Where are the Vibration Velocimeters installed?

    Behind the Pilot Seat and on the Tail Rotor Gearbox

  • 31

    What is the approved method of bending the outer and inner trimtabs for track and balance purpose?

    Inner and outer tabs must be bent in the same direction

  • 32

    Which air conditioning system is controlled by number 1 ECS control box?

    FWD COND system

  • 33

    Which conditions are necessary for the air conditioning systemto operate?

    Helicopter in flight or on the ground with both engines running

  • 34

    Which indications are displayed in the CAS w indow w hen the air conditioning system is set to ON?

    AIR COND ON advisory

  • 35

    What is the purpose of the Temperature Sw itch in the Heating system?

    it closes the Heating system shut-off valves on the engine when the temperature of the Heating systemduct air exceeds a maximumvalue

  • 36

    Where is the Heating Control Box located?

    Rear avionic bay, LHside

  • 37

    When does the Heating Control Box control the Temperature Control Valve?

    When COND/HEATER selector is in AUTO mode only

  • 38

    Where are the Cockpit Ventilation Ram Air Inlets located?

    Underneath the Forw ard Fuselage/Cockpit Section

  • 39

    What happens w hen the Cockpit Ventilation System is switchedfromOFFtoFANLOWor FANHIGH?

    Cockpit Flapper Valves open and then the Ventilation Fans operate

  • 40

    how is the Ventilation Flapper Valve opened and closed?

    Electrically by a motor

  • 41

    Which statement most closely describes the Engine Bleed Air Shutoff Valve?

    It is an energised-open (de-energized closed) solenoid valve

  • 42

    Where is the Engine Bleed Air and Ambient Air mixed?

    In the Jet Pump (Venturi Duct).

  • 43

    When the HTR selector is set to AUTO, w hich sensor provides temperature data for heat control to the Heater Control Box?

    Outside Air Temperature (OAT) Sensor

  • 44

    Which component controls the amount of Engine Bleed Air to meet the selection made by the pilot?

    Temperature Control Valve

  • 45

    Which statement is true w ith respect to the selection of the ATT mode for the Autopilot?

    It is automatically selected w hen the Autopilot is engaged

  • 46

    What happens if the cyclic FTR (Force Trim Release) sw itch is pressed w hile the Flight Director is in the HDG (Heading) mode?

    The AProll channel ignores the HDG command

  • 47

    At what speed is the VS (Vertical Speed) mode automatically disengaged?

    When the airspeed goes below 55 KIAS

  • 48

    With the CPL light illuminated, w hat happens if the CPL button on the Autopilot Controller is pressed?

    The Flight Director is uncoupled from the autopilot

  • 49

    What is the function of the PFDbutton on the Guidance Controller?

    it permits the Pilot to determine w hich PFD data is used by the Flight Director

  • 50

    What happens if the PFD button is pressed on the Guidance Controller w ith any Flight Director Mode(s) selected?

    The active FD Mode(s) disengage

  • 51

    At w hat minimum airspeed can the IAS FD (Flight Director) mode be engaged?

    60 KIAS

  • 52

    What autopilot (AP) components control the Trim actuators?

    The first AP to come on line

  • 53

    How many Actuators are installed on the AW139?

    3 Dual Linear Actuators, 4 Trim Actuators

  • 54

    How is the actual position of the Linear Actuator fed back to the AIOPModule?

    Via a Linear Variable Differential Transformer (LVDT)

  • 55

    Which units performthe FD(Flight Director) computation.

    MAU(Modular Avionic Units)

  • 56

    Which of the following conditions can cause the AFCS TEST ABORT caution to appear in the CAS?

    Feet on pedals

  • 57

    How can the GA mode be engaged?

    Pressing the GA pushbutton on the Collective, provided that airspeed is higher than 60 KIAS

  • 58

    What happens w hen the DCL pushbutton on the Guidance Controller is pressed?

    Approach and Deceleration modes are armed, HDG and IAS modes are engaged

  • 59

    How is AFCS affected by AHRS1 failure and how can that be recovered?

    AP1 disengages and cannot be re-engaged

  • 60

    What does the MISTRIMcaution message indicate?

    Linear actuator(s) are not centered

  • 61

    How do the clutches in the Pitch and Roll Trim Actuators behave w hen the FTR sw itch on the cyclic stick is pressed?

    They open for as long as the switch is pressed and Pitch and Roll Linear Actuators are re-centered

  • 62

    How does the clutch in the Yaw Trim Actuator behave when pilot puts feet on pedals?

    it opens for as long as the switch is pressed

  • 63

    How do the Pitch and Roll Linear Actuators behave w hen the FTR sw itch on the cyclic stick is pressed?

    They are re-centered

  • 64

    Is it possible to performthe AFCS Self-Test during flight?

    No, never

  • 65

    Is it possible to manually sw ap the Trim Master during flight?

    Yes, in any condition

  • 66

    Which of the following statements is true regarding the FTR (Force Trim Release) sw itches?

    They operate the clutch inside the Trim Actuators

  • 67

    How are the Actuators of the Autopilot system controlled?

    Trim Actuators by Pulse Width Modulation (PWM) signals; Linear Actuators by Control Area Netw ork (CAN) digital buses

  • 68

    Which MAU Module does the Autopilot Control Panel interface with?

    Control I/O (CIO) and Actuator I/O and Processor (AIOP) modules

  • 69

    Which of the following events disengages the HDG mode of the FD?

    Capture of the VOR course w ith NAV mode armed

  • 70

    Which of the following events disengages the ALT mode of the FD?

    Pressing the PFD button on the Guidance Controller

  • 71

    Which is the default mode for the Autopilot systemat power up?

    ATT mode

  • 72

    Which flight control channels are provided with Dual Linear Actuators?

    Pitch, Roll, Yaw

  • 73

    Which conditions w ill allow the AFCS Test to be initiated?

    Normal Hydraulic pressure (207 bar) and no APengaged

  • 74

    Which modules control the movement of the Flight Controls in the AFCS system?

    Actuator I/O w ith Processor modules (AIOP)

  • 75

    Which statement is true w ith respect to the ATT mode of the Autopilot?

    When SAS mode is engaged, the ATT mode can only be manually selected

  • 76

    Which Autopilot controls the Trim Actuators?

    First APselected (TrimMaster)

  • 77

    Where are the AFCS modules located?

    Modular Avionics Units (MAU)

  • 78

    When the detent sw itch is actuated (due to pilot manually moving the filght controls) how is the associated trim motor operation affected?

    Motor does not operate

  • 79

    in addition to a SAS Mode selection, w hen w ill the AP automatically disengage the ATT Mode?

    Cyclic Trimis disengaged

  • 80

    What effect w ill any Cyclic Lateral Beep Trim operation have on a 4 axis AFCS?

    Modifies the selected HDG value

  • 81

    What is the CAB push-button on the PLT and CPLT Audio Control Panel used for?

    To connect the PLT or CPLT Audio Control Panel to the Cabin Audio Control Panel

  • 82

    Whereis theNetworkInterfaceModule(NIM) located?

    Modular Radio Cabinet (MRC)

  • 83

    What type of Data Bus connects the NIM w ith the Radio Modules installed in the MRC?

    RCB (Radio Control Bus)

  • 84

    What is the software loading requirement following a COM1 Radio Module replacement?

    No software loading is required

  • 85

    What data is it necessary to restore following the replacement of MRC No.2 Chassis?

    The data inside the APMNo.4

  • 86

    If the NIMin MRC2 is faulty, which radio modules are available?

    COM1, NAV1 in normal mode COM2, NAV2, and XPDR in backup mode only ADF, DMEare no longer available

  • 87

    What is the function of the RADMSTRswitch on the MISC panel?

    Turns on or off the power supply of NAV1, COM2, ADF and DME radios

  • 88

    When RAD MSTR sw itch is moved to GND, w hat is the expected status of VHF COM 2 radio?

    Not powered

  • 89

    What happens w hen the CHM 1 pushbutton is pressed on pilot or copilot Audio Panel and its LED illuminates?

    in the cabin the NO SMOKING w arning light is illuminated and the loudspeakers sound a chime

  • 90

    How is MCDU1 affected by a failure of MAU1?

    MCDU 1 automatically shows the BACKUP RADIO page

  • 91

    What type of audio signals interface the VHF1 radio transceiver and the copilot audio control panel?

    Both digital audio buses and analog standard wiring

  • 92

    Where is the Modular Radio Cabinet (MRC) No.2 installed?

    In the nose compartment

  • 93

    How are the CCD and MCDU used to tune a VHF Radio?

    CCDand MCDUcan be used for normal operation; MCDUonly for backup operation

  • 94

    When w ill the VHF System transmit and receive data through the RCB (Radio Control Bus) to the NIM (Netw ork Interface Module)?

    During normal operation

  • 95

    When an over temperature condition is detected in a VHF Module, how are the MRC Cooling Fans controlled?

    By theNetworkInterfaceModule(NIM)

  • 96

    What is the recovering action if, during flight, all COM1 and NAV1 frequency indicators on the PFDshow yellow dashes at once (associated radios become unserviceable)?

    The Copilot can select Backup Mode on both MCDU and Audio Control Panel to keep using them.

  • 97

    How is the Push-to-Transmit keying achieved?

    Using the Cyclic Switch or the Foot Switch

  • 98

    Where is MRC No.1 located?

    Nose Compartment, LH side

  • 99

    What is the minimum on-side Main Bus voltage required prior to starting the engines?

    23 Volts

  • 100

    When starting an engine using the helicopter batteries what are the primary functions of the batteries?

    The Main Battery power is used to start the engine w hile the Auxiliary Battery is only used to feed the Essential bus bars