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59 Cards in this Set
- Front
- Back
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What does "ARMS" stand for? |
Audio and Radio Management System
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The Audio and Radio Management System uses two (2) display units. What are they?
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ARCDU1 & ARCDU2
Audio and Radio Control Display Units |
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The ARCDU's provide for individual control of what?
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1. Communication Radios
2. Nav Receivers 3. Interphone 4. PA System |
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What are the functions of the ARCDU's?
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1. Tunes the radio and navigation system frequencies.
2. Controls the operation of the PA and Interphone systems. 3. Monitors the operation of the Comm and RNav systems to show malfunctions. |
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What is the purpose of the Audio Integration System (AIS)?
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It is the "central processor" of all communications equipment.
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What does the acronym "PACIS" stand for?
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Passenger Address and Communication Interphone System
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What does the Passenger Address and Communication Interphone System (PACIS) provide for?
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1. Private voice communication through the interphone.
2. Visual and aural notification of both normal and emergency calls. |
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Where does the Passenger Address and Communication Interphone System (PACIS) system "normally" receive its power?
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From the aircraft's electrical system.
Hot Battery Bus! |
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If the aircraft power fails, where will the PACIS receive its power from?
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From the Emergency Light System battery packs.
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Where is the ELT physically mounted in the aircraft?
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In the aircraft's "Dorsal Fin", just forward of the vertical fin.
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On what frequencies will the ELT transmit over?
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121.5
203 mhz 406 mhz |
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How many ELTs are installed on the aircraft?
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Newer aircraft have two (2).
One is a portable ELT! - May be activated with water contact or manually. |
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For those aircraft which have a portable ELT installed, where is it located?
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It is stowed in the "Aft/Left Overhead Bin" in the cabin.
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How much data can the cockpit voice recorder store?
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The last two (2) hours of conversation.
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What areas will the cockpit voice recorder record?
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Captain's Voice
First Officer's Voice Observer's Voice Area Microphone PA Clock Data |
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Where is the cockpit voice recorder physically located in the airplane?
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In the aircraft's tail.
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How much data will the Flight Data Recorder record?
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The last 25 hours of data.
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When will the Flight Data Recorder begin recording?
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When "any" of the following three (3) parameters are met:
1. The anti-collision light is selected to "ON" (Red or White). "OR" 2. Both engines are running (based on oil pressure). "OR" 3. The aircraft is airborne (WOW). |
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What does the Flight Data Recorder incorporate?
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An underwater acustical beacon that activates with water contact.
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At what time is power "removed" from the flight data recorder?
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1. "Automatically" upon impact with the ground as measured by a "G" switch.
2. "Manually" when the circuit breaker is pulled. |
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What does the acronym "ARCDU" stand for?
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Audio and Radio Control Display Unit
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What color is the "active" frequency displayed as on the ARCDU?
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Green
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What color is the "Pre-select" frequency displayed as on the ARCDU?
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Cyan
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Invalid frequency data on the ARCDU is displayed how?
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Displayed as a "White" color.
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How do you change a frequency on the ARCDU's?
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1. Select the appropriate "side key" for the frequency you wish to change.
2. Turn the rotary tuning knob to select the frequency. |
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What is the "CH" key used for?
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It is used to "Pre-Set" up to eight (8) frequencies into memory.
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What is the purpose of the "EMER/NORM" switch?
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It will activate the emergency mode of operation when selected.
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With the EMER/NORM switch selected to the "EMER" position, what will occur?
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It will directly connect:
Captain's side: - Communications to Comm #1 - Interphone and navigation receivers are directly routed to the headset. - The audio level is "fixed" for Comm #1 and the interphone. First Officer's side: - Communications to Comm #2 - Interphone and navigation receivers are directly routed to the headset. - The audio level is "fixed" for Comm #2 and the interphone. |
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With the EMER/NORM switch in the "EMER" position, where must the PTT/INT switch be selected for access to on-side communications?
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PTT
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What must be accomplished to make a "PA"?
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1. Select the microphone switch to the "PA" position.
2. Push the "PA" function key. |
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How can the "PA" function be cancelled?
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By selecting the microphone switch away from the "PA" position .
"or" By pressing the "PA" function key a second time. |
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What is the "priority" order for the PA?
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1. Flight Deck
2. Forward Flight Attendant station 3. Aft Flight Attendant station 4. Passenger Entertainment System |
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What must be accomplished to "call" the flight attendants from the cockpit?
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1. Select "PA" on the microphone selector.
2. Press the "CALL" key. |
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What occurs when the "CALL" key is pressed on the flight deck?
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1. It will illuminate the green "CALL" lights on both ARCDU's.
2. It will illuminate the green "CALL" light on both flight attendant stations "handsets and keyboards". 3. A "single" chime is heard in the cabin. |
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What will occur if the "EMER" key is pressed on the interphone panel?
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1. Illuminates the "amber" lights on both ARCDU's in the cockpit.
2. Illuminates the "flashing amber" EMER lights on both Flight Attendant panels (handset & keyboards). 3. Illuminates a "red flashing" annuciator on the cabin advisory light panel. 4. A chime is heard in both the flight deck and cabin. |
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What automatically occurs when the "EMER" key is pressed on the interphone control panel?
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The interphone is made "HOT" automatically with the cabin.
The microphone switch "must be in the PA position"! |
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What is the purpose of the "DIM/RTN" key?
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"DIM"
Allows control of the ARCDU screens brightness. "RTN" Used by maintenance when in the maintenance mode. |
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How can you control the brightness of the ARCDU screens?
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1. Select the "DIM/RTN" key.
2. Rotate the "Tune" knob to increase/decrease the display brightness. |
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What is the purpose of the "RTN" function of the "DIM/RTN" key?
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It is for "maintenance purposes" and only active when in the maintenance mode.
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The "ARCDU/FMS Transfer Switch" is a four (4) position rotary switch. What is the purpose of each switch position?
OFF / ON / BOTH / FMS |
OFF:
The ARCDU is not powered. The on-side FMS will control the radios as a backup. ON: The ARCDU will control and tune the on-side radios only! BOTH: The ARCDU will control and tune both the on-side and off-side radios (cross tune). FMS: The FMS will automatically tune both the on-side and off-side radios (cross tune). |
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What is the purpose of the "PG / 1/2" key?
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Pressing the key will display the second "Main Page" if the first Main Page is currently shown
"or" Pressing the key will show the first "Main Page" if the second Main Page is currently shown. Note: The key has no effect if there is no second main page! |
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What is the purpose of the "EXP" key on the ARCDU's?
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Pushing the key will "expand" the selected page (VHF1, VHF2, etc).
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What is the purpose of the "PREV" key on the ARCDU's?
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Only used by maintenance!
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What is the purpose of the "DME HOLD" key on the ARCDU's?
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Holds the current DME frequency when a valid VOR/ILS frequency is displayed.
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What is the purpose of the "NEXT" key on the ARCDU's?
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Only used by maintenance to select the next page of maintenance data.
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What is the purpose of the "MAINT" key on the ARCDU's?
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Used by maintenance to access the "Maintenance Mode" of operation when the aircraft is on the ground.
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What is the purpose of the "ID" key on the ARCDU's?
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Used to "IDENT" the transponder.
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At what time would the "Standby VHF Radio" be used?
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Only in the event of a #1 ARCDU failure (ARCDU1).
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What does the "Standby" VHF radio control?
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It will only control the radio frequencies on ARCDU1 only!
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What will occur if ARCDU2 fails?
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The first officer will have "no two-way communications"!
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What will occur in the event of a "Communication Serial Bus Failure"?
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1. A red "FAIL" message will be displayed on the 2nd line of the "INT" window of the ARCDU display.
2. "Audio Only" is available for the respective sides VHF, NAV and Interphone. |
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What is the definition of a "Communication Serial Bus Failure"?
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A loss of communication between the ARCDU and the RCAU.
- "Audio Only" is available on the effected ARCDU. - A red "FAIL" message is displayed on the Interphone section (bottom/left) of the ARCDU. - The audio channel will automatically switch to a pre-programmed configuration. |
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What is the definition of a "ARCDU Communications Card Failure"?
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Failure of the ARCDU's designated communications card within the RCAU.
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What would occur in the event of a "ARCDU Communications Card Failure"?
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It will render the associated sides "Hot Mic" inoperative.
Note: Selecting the "NORM/EMER" switch to the "EMER" position will automatically bypass the respective inoperative card and connect the COMM/NAV/INT. |
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What mode has precedence over the ARCDU's, EMER or Automatic?
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"Emergency Mode" has precedence!
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How does the ARCDU1 receive power?
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Normally:
Right Main DC Bus As a Backup: Left Essential Bus |
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How does the ARCDU2 receive power?
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Normally:
Left Main DC Bus As a Backup: Right Essential Bus |
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What supplies power to the Captain's Audio Card for ARCDU1?
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The "Hot Battery Bus".
This enables the PA System to operate during emergency operations! |
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Selcal is only available on which radio?
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VHF #2
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