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101 Cards in this Set
- Front
- Back
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Which ICS component is located on the A–10 aircraft’s left console and is placarded INTER?
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Intercom control panel.
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Which ICP rotary selector switch position enables the A–10 aircraft’s ARC–210 Radio #2 audio to be monitored regardless of the monitor switch position?
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FM
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What basic radio system component generates and amplifies a carrier wave, modulates it with a meaningful signal, and radiates the resulting signal from an antenna?
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Transmitter
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Which A–10 aircraft HSI pointer displays relative bearing to a selected station when in ADF mode?
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No. 1 pointer
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What is the A–10 ARC–164 RT–1505A UHF/HQ radio’s frequency range in MHz?
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225.000 MHz–399.975 MHz
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What is the minimum safe distance from an A–10 aircraft’s transmitting UHF antenna?
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2 feet
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Which A–10 aircraft ARC–164 UHF/HQ radio switch enables or disables noise quieting of the main receiver?
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Squelch switch
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Which A–10 HQ mode of operation will allow the operator to make sure the WOD is input? a. FMT net change mode.
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Verify/operate mode
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The A–10 aircraft’s VHF/FM antenna (communications) is located underneath the
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aft fuselage, forward of the VHF/AM antenna.
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On the A–10 aircraft’s VHF/FM system, the transfer from receive mode to transmit mode is accomplished when the mic switch on the throttle is placed in the
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up position
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The A–10 aircraft’s VHF/FM component that sends a signal to the homing antenna to turn it on and off at a constant rate is the FM
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homing module
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How many ARC–210 radio systems are available on the A–10 aircraft?
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2.
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What is the frequency range in MHz of the A–10 aircraft’s ARC–210 VHF/UHF radio system that provides air-to-air and air-to-ground, two-way voice communication?
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30.000 MHz–512.000 MHz
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What function does the A–10 aircraft’s ARC–210 RSC “RT SELECT” button provide when pressed?
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Toggles between R/T1 and R/T2.
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Which A–10 aircraft KY–58 Secure Voice/Speech system component provides control functions and mode selection for the coder/decoder?
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Secure speech control panel
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Placing the A–10 aircraft’s KY–58 RCU Cipher Mode switch to the “C/RAD 1” position will allow the ARC–
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164 UHF radio to operate in secure speech mode.
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The purpose of the battery back up on the A–10 aircraft’s KY–58 Coder/Decoder is to
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retain the secure codes when the system is powered down
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Which A–10 aircraft ILS related system component converts ILS navigation information into pitch and bank steering commands, G/S deviation, and warning flag signals for the ADI?
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Flight Director Computer
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At what frequencies are the left and right ILS localizer lobes modulated?
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90 Hz (left) and 150 Hz (right).
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What is the MHz frequency range of the ILS localizer receiver?
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108.10 MHz–111.95 MHz
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The direction in which the aircraft (nose) is facing on the horizontal plane relative to a reference is the description for the navigation term
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heading
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Which A–10 aircraft TACAN LRU’s purpose is to receive and transmit TACAN data, process distance and bearing information, and provide audio identification tone?
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TACAN receiver-transmitter
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How many X and Y channels does the A–10 TACAN R/T operate on?
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126 X-channels and 126 Y-channels
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The A–10 TACAN transmit frequency range is from 1025 MHz to
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1150 MHz and the receive range is from 962 to 1213 MHz.
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Which A–10 HSI indication displays magnetic bearing to a TACAN ground station or cooperating aircraft?
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Bearing pointer no. 1.
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Which A–10 Identification IFF system component provides mode 1 and 3/A code selection?
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IFF/ SIF/MODE S control panel
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On the A–10 IFF system antenna select panel, what is the normal position for the IFF antenna switch?
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BOTH
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The A–10 IFF system uses a receiving frequency in MHz of
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1030 MHz and transmitting frequency of 1090 MHz.
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Which A–10 IFF mode provides encrypted replies to interrogations by identically configured airborne or ground equipment?
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Mode 4.
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Which A–10 IFF mode operates as a cryptographically secured version of Mode S?
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Mode 5.
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The A–10 aircraft component that prevents the SADL radio and ARC–210–2 radio from interfering with one another is the VHF/UHF/SADL
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Diplexer
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Which A–10 component contains the data link processor which allows the pilot to control the TDL/EPLRS/SADL functionality?
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Central Interface Control Unit
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On the A–10 aircraft, which component provides TDN communication, utilizing the VMF message set?
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Improved Data Modem
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Which A–10 aircraft AN/ALR–69 component provides the system “heads-up” indicator for EW notifications, warnings, and status display?
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Countermeasure set control
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On the A–10 RWR, the fifth omnidirectional element in the C/D band antenna is used to
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correlate the data and generate a self-test signal
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The A–10 AN/ALR–69 wide band antennas are positioned relative to aircraft heading at 45°
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135°, 225°, and 315°.
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In the A–10 AN/ALR–69 RWR priority mode, how many of the highest priority threats are displayed?
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Five
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Which A–10 RWR component performs direction finding of continuous wave signals?
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Frequency selective receiver system
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The A–10 AN/ALR–69 azimuth indicator display for a detected missile launch and correlated threat radar is a
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flashing circle around a numeric symbol
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How many A–10 aircraft chaff or flare cartridges is the countermeasures dispenser system capable of dispensing?
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480
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How many sequencer switches are on the A–10 chaff/flare dispensing system?
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8.
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On the A–10 chaff/flare dispensing system, what is the number of dispenser stations and dispenser assemblies?
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Four stations and 16 dispenser assemblies
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If the cartridges on the A–10 countermeasures dispenser system payload magazine have brown plastic end caps, what type of payload is installed?
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Chaff
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On the A–10 chaff/flare dispensing system, which countermeasures signal processor switch would provide rapid ejection of all payload types selected in the Mission Data File?
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JTSN switch
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Which A–10 CMS component acts as a “heads-up” indicator for EW notifications, warnings, and status display for the CMS?
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Countermeasures Set Control
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Which A–10 CMS component serves as the main pilot control and system computer?
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Countermeasures Signal Processor
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What page on the A–10 MFCD displays threat symbology to alert the pilot of potential threat?
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Tactical Awareness Display page
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What does the A–10 aircraft CMS deploy for MWS threats?
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Flares
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Which A–10 Infrared Countermeasures AAR–47 system component senses in-band UV radiation from the rocket motor exhaust of a missile?
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OSC
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Which test set is used to perform an operational checkout of the A–10 Infrared Countermeasures AAR–47 system?
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PLM–3
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The ECM pods on the A–10 that can be loaded are located at either weapons station
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1 or 11
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On the U2 interphone system, where is the RECORD switch located?
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Right Wheel Grip.
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On the U2 interphone system, where is the Transmitter Select switch located?
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COMM SEL Panel
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Which U2 interphone system volume cannot be turned down using the volume control panel?
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Angle of Attack (AOA).
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Which U2 interphone system component has a five position TRANS SEL switch for keying options?
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COMM SEL panel
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On the U2 interphone system, which COMM SEL switch is used to adjust the overall volume level into the pilot’s headset?
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MASTER VOL control
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Which U2 UHF/VHF antenna is used for COMM 1 UHF frequencies?
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Bottom blade antenna.
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Which U2 aircraft component provides the ON/OFF control for the AN/ARC–210 radios?
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Volume control panel
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Which U2 aircraft component in the AN/ARC–210 system is connected directly to each transceiver for command and data exchange by serial cables?
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Backup control panel
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Which U2 AN/ARC–210 system mode of operation is an electronic counter measure (ECCM) function that uses synchronized frequency hopping for anti-jamming communications?
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HAVE QUICK (HQ) II.
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On the U2 aircraft, what is the AN/ARC–210 system MHz frequency range for UHF operations?
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225.000 to 399.975 MHz
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How many preset channels can the AN/ARC–210 system hold?
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108.000 to 399.975 MHz.
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How many preset channels can the AN/ARC–210 system hold?
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25
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On the U2 AN/ARC–210 system, the user will know the crypto variable is not loaded or is loaded incorrectly for secure voice communications because the sound heard in the headset when the microphone is keyed will be a
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steady tone
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In what operating MHz HF range does the U2 ARC–217 radio system provide communication?
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2 MHz to 29.9999 MHz
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In order for power to be applied to the U2 ARC–217 HF radio system, on which panel would the ON/OFF function have to be activated?
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Volume control panel
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On the U2 ARC–217 HF radio system, if the AVP becomes unavailable, which component will take over as the backup controller?
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BCDU
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On the U2 ARC–217 HF radio system, how many basic modes of operation are selectable from the UFCD/ MFD?
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3.
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When the U2 ARC–217 HF radio system is powered on, the HF radio will be in the mode selected
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prior to last shut down
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Which operating mode is the U2 ARC–217 HF radio system in when the audio is muted and the radio does not sound or reply to ALE calls?
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Standby
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If the U2 ARC–217 HF radio’s output amplitude selected from the MFD is medium, what does the output equate to in watts?
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60 watts.
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Which U2 ILS component provides control of the ILS system in the event of a 1553B display bus failure?
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BCDU
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What is the U2 ILS localizer signal MHz frequency range?
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108.00 to 117.95 MHz.
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On the U2 aircraft, where is the ILS antenna located?
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Inside of nose radome
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On the U2 aircraft, what portion of the ADI, in the ILS, provides direction and relative amplitude of up/down correction required to return the aircraft to the glideslope?
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Pitch Steering Indicator
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On the U2 aircraft, what portion of the HSI, in the ILS, provides relative position and distance of the aircraft left or right of the localizer signal?
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CDI.
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The U2 TACAN system operates in X mode and Y mode with how many total usable channels?
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252.
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Where is the U2 TACAN receiver/transmitter located?
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On a mounting base installed in the fixed nose.
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On the U2 TACAN system, shared frequencies could cause undesirable interaction with which other system?
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IFF.
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On the U2 TACAN system, during airborne operation channels selected at the two stations/aircraft shall be separated by how many channels?
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63
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When the TACAN system is not in range, the U2 TACAN system self test is automatically performed every
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30 seconds
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On the U2 IFF system, how many SIF modes are there?
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3.
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What keeps the U2 IFF system’s crypto keys from dumping when power is removed from the aircraft?
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Two batteries in the crypto appliqué assembly.
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On the U2 IFF system how many line select keys on the up front control display are used for controlling IFF functions?
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4.
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Which U2 IFF system component provides the IFF zeroize pushbutton, which is used to clear the COMSEC codes from the transponder?
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Left switch panel
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Which U2 IFF system mode of operation is power supplied to the transponder and the transmitter is disabled?
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STBY
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When the U2 IFF system transmits, a blanking pulse is sent to a diode assembly and left forward pod pallet for circuit protection from which other system?
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TACAN.
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The U2 IFF system altitude reporting signal is limited to a
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60,000 feet level.
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Where is the U2 ADF receiver located?
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In the top section of the E-bay.
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Which U2 ADF system component compensates for the deflection of arriving radio signals caused by the wings and fuselage of the aircraft?
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Quadrantal Error Corrector
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Which U2 ADF control panel Mode Control Switch setting energizes the ADF system for audio reception only?
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ANT
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Which U2 ADF control panel control adjusts the ADF receiver audio output level?
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GAIN control
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When the U2 ADF control panel Mode Control Switch is held in the TEST position, a
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1020 Hz signal is produced in the audio output and the HSI bearing is driven to 45 degrees
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When the U2 ALQ–221 electronic warfare suite system antennas receive incoming signals, which component sends the signals to the wingtip receiver processor?
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Wingtip Receivers
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On the U2 ALQ–221 electronic warfare suite system, which component sends a jamming signal to the forward and aft drive assemblies for High Band threats?
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High Band Processor.
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On the U2 ALQ–221 electronic warfare suite system what is the total number of transmit antennas?
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8.
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On the U2 ALQ–221 electronic warfare suite system, arcing and LB signal power loss could occur in the LB transmit antenna assembly without which component?
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Pressurization assembly
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On the U2 ALQ–221 electronic warfare suite system, if the high band processor detects an emitter, which light will illuminate?
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RCV (receive).
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On the U2 ALQ–221 electronic warfare suite system, the BIT that runs every 5 seconds on a non-intrusive basis and does not affect system performance is called
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BBIT
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The U2 DRO time reference is based off a raw 1PPS signal from which system?
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Embedded global positioning system
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What is the operating voltage of the U2 DRO?
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28 VDC.
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