Aviation Electronics Technician 1 - Historic Naval Ships Association

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5-51. What type of RF output signal istransmitted from a sonobuoyantenna?1. Frequency modulated VHF signal2. Frequency modulated UHF signal3. Amplitude modulated VHF signal4. Amplitude modulated UHF signal5-52. You should refer to which of thefollowing manuals before handling,storing, or disposing of sonobuoys?1. NAVAIR2. NAVAIR3. NAVAIR4. NAVAIR5-53. What totalselectablesonobuoy?1. 992. 503. 324. 3128-AQS-500-128-ASQ-500-128-SQS-500-128-SSQ-500-15-54. What total numberused in the olderare preset at the1. 992. 503. 324. 31number of channels areon an EFS systemof channels aresonobuoys thatfactory?5-55. Which of the following informationis stamped on both ends of anon-EFS system sonobuoy?1.2.3.4.Depth setting and RF frequencySerial number andmanufacturer’s codeContract lot number and weightSonobuoy type and RF channelnumber5-56. The sonobuoy is aircraft deployableby what total number of methods?1. Five2. Two3. Three4. Four5-57. Sonobuoys equipped with parachutesand rotochutes are NOT intermixedin the same tactical pattern forwhich of the following reasons?1. To maintain minimuminterference between sonobuoys2. To maintain proper sonobuoyspacing in the water3. To prevent rotochute andparachute entanglement4. To prevent hydrophore crosstalk5-58. What component is deployed from asonobuoy when the bottom plate isjettisoned?1. The hydrophore2. The parachute/rotochute3. The antenna4. The float5-59. What component(s) is/are deployedby some sonobuoys that have aseawater-activated battery thatfires a squib?1. A float and a hydrophore2. A float containing an antenna3. A hydrophore and an antenna4. A parachute/rotochute and abottom plate5-60. Most sonobuoys in the fleet containwhat type of battery to providepower to the sonobuoy circuits?1. Lithium dry cell2. Seawater-activated lithium3. Seawater-activated4. Zinc-oxide dry cell5-61. Data transmission usually startswithin at least how many minutesafter the sonobuoy enters thewater?1. 1.0 minute2. 2.0 minutes3. 3.0 minutes4. 0.5 minute36
5-62.5-63.5-64.5-65.5-66.What category of sonobuoy only hasthe listening feature?1. Active2. Passive3. Special purpose4. Multiple purposeWhat system is an improved passiveacoustic sensing system?1. DIFAR2. LOFAR3. CASS4. DICASSWhat are characteristics of thesonar pulse output from theself-timed active sonobuoy?1. Fixed pulse length and fixedpulse interval2. Fixed pulse length and variablepulse interval3. Variable pulse length and fixedpulse interval4. Variable pulse length andvariable pulse intervalThe command activated sonobuoy willping in response to command signalsfrom what source?1. The random generator in theCASS sonobuoy2. The automatic generator in theCASS sonobuoy3. The controlling aircraft4. The underwater targetWhat is the BT temperature probedescent rate?1. 15 feet per second2. 10 feet per second3. 5 feet per second4. 4 feet per secondIN ANSWERING QUESTIONS 5-67 THROUGH 5-72,SELECT FROM COLUMN B THE TYPE OF SONOBUOYASSOCIATED WITH EACH OF THE FUNCTIONSLISTED IN COLUMN A. SOME ITEMS IN COLUMNB WILL BE USED MORE THAN ONCE.5-67.5-68.5-69.5-70.5-71.5-72.A. FUNCTIONS B. TYPES OFSONOBUOYUsed for submarine 1. SARdetection andlocalization 2. BTMeasures water 3. ATAC/DLCtemperature4. CASSProvides data fordetermining water depthUsed as a floating RFbeacon for rescue purposesProvides one-way voicecommunicationProvides aircraft/submarinetwo-way communication5-73. How many separate sonobuoy channelscan be received simultaneously onthe AN/ARR-75 radio receiving set?1. 82. 163. 314. 995-74. What component of the SASP systemis a high-speed signal processorused to extract acoustic targetinformation from active and passivesonobuoy data?1. PP-74672. C-111043. TS-40084. SP-21435-75. What component of the SASP systemcontrols the power to the CASStransmitter?1. PP-74672. C-111043. TS-40084. SP-214337
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PASS/FAIL ASSIGNMENT PROCEDURESIf y
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Student CommentsCourse Title:Aviati
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Table 1-1.-Radio-Frequency Spectrum
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Figure 1-3.-LS-602/AI control panel
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Figure 1-4.-Manchester encoding.thr
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they can complete a full cycle. The
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one-shot circuit output is directly
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Figure 1-7.-VHF-AM control box.Figu
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indicators in the following text. E
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Figure 1-11.-C-9245/ARC-161 control
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and the PWR/FILL switch is not in t
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panel is in OFF. If the DTS control
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the keyboard are sent directly. Rec
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the signal data converter, where it
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Navigation is both an art and a sci
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this axis at right angles to it (fi
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. Course is the intended horizontal
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The standard atmosphere is theoreti
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eadings are higher than actual. Thi
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The barometric switch in the RAWS a
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Major ComponentsThe AN/ARN-84(V) TA
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the outputs is used for the automat
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DOPPLERIn the following text we wil
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CHAPTER 3RADARAs an avionics superv
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the antennas will stop at the posit
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AS-2146/APS-115 AntennaThe radar an
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completes the processing of radar a
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In the on-line mode, the sensor sta
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Mode SwitchThe mode switch is pract
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purpose of the horizon line is to i
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Maximum range for tracking is 40,00
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transmit a reply when RF interrogat
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airspeed-altitude computer. All fra
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SIF reply code is identical to the
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In mode 4, the reply video pulse is
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sound wave. The frequency (in hertz
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to affect the rate of travel of the
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DOPPLER EFFECTWhen there is relativ
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Figure 4-7.-Transducer installed on
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The Sonar Detecting-Range Set AN/AQ
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Figure 4-16.-RO-358/ASQ-13A.mechani
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applies 115 volts ac to the transmi
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are known as angles of dip (fig. 4-
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feet in length and represents the f
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compensation is needed for the long
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labeled ALT COMP. This switch is us
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select which signal goes to which p
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the passive directional sonobuoy (f
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REVIEW QUESTIONSQ1. How was the wor
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TACAN signals. When localizer signa
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1. The HEADING NO-GO indicator illu
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Figure 5-7.-New optical sight with
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computer’s program determines whi
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ias circuit, horizontal and vertica
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Figure 5-9.-Symbology—Continued.5
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Figure 5-14.-Sparrow mode.Figure 5-
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TACTICAL DISPLAY SYSTEM INTERFACEFi
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electrical signal, which varies in
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noise-free at that level. The impor
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Like the random interlace, this sys
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The polarity of the signal develope
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The SEC tube has applications in ex
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CHAPTER 6INFRAREDThe term infrared
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Table 6-1.-Characteristics of IR Ra
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potential difference across a PN ju
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system increases, and the reliabili
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used in the Navy, their principles
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signals from the control servomecha
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Figure 6-15.-FLIR positioning/stabi
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Figure 6-17.-Video converter video
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clamping signals from the sync gene
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shared by both azimuth and elevatio
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where they are converted into three
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go to the azimuth/elevation heat si
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TARGET TRACKING SIGHT CONTROLAs men
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control is injected in this module.
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CHAPTER 7WEAPONS SYSTEMSAs a result
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Figure 7-5.-Master light control pa
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Rocket firing systemWalleye systemA
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The wing-form display is displayed
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Figure 7-15.-Emergency jettison con
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The A/A weapon select switch select
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Part of the system consists of unpr
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Figure 7-22.-SH-3 (series) search a
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ottle and the ECU are mounted on to
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Figure 7-25.-Pylon/rack assembly.ci
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REVIEW QUESTIONSQ1. True or False.
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COMPUTER APPLICATIONSTYPES OF COMPU
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the most important. This data manip
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and other data that are to be used
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to represent the same data that was
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compatibility permits the computer
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most cases, the processing speed fa
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4. Stores the results of manipulati
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An overall check of a computer can
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CHAPTER 9AUTOMATIC CARRIER LANDING
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stabilized deck-coordinated system
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Figure 9-3.-Mode I landing sequence
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Figure 9-5.-Lateral automatic wave-
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Precipitation StaticPrecipitation s
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l Sliding-contact interference. Thi
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the signal applied to it. These spu
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the following methods: short circui
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Figure 10-4.-Internal construction
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Figure 10-9.-Methods for using RC f
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Band-Rejection FiltersA band-reject
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Causes of Static ElectricityGenerat
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composed of carbon particles, impre
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APPENDIX 1REFERENCES USED TODEVELOP
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Chapter 7Airborne Weapons/Stores Lo
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CHAPTER 3A1.A2.A3.A4.A5.A6.A7.A8.A9
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A7. Linking two or more computers t
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FORMULASAIII-2
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AIII-4
Page 246 and 247: Comparison of Units in Electric and
Page 248 and 249: Antisubmarine warfare weapons syste
Page 250 and 251: Electrostatic discharge, 10-15compo
Page 252 and 253: Heads-up display (HUD), 5-5air-to-a
Page 254 and 255: NNavigation basics, 2-1airborne nav
Page 256 and 257: Teletype system, 1-22block diagram,
Page 259: Assignment QuestionsInformation: Th
Page 262 and 263: 1-11. What will the Sillumination o
Page 264 and 265: 1-35.1-36.1-37.1-38.UHF-1 does NOT
Page 266 and 267: 1-59. What arethat thetactical1. Fr
Page 268 and 269: ASSIGNMENT 2Textbook Assignment:
Page 270 and 271: IN ANSWERING QUESTIONS 2-22 THROUGH
Page 272 and 273: 2-43. What method does the AN/APN-1
Page 274 and 275: 2-64. What distance is the maximum
Page 276 and 277: 3-12.3-13.The antenna position prog
Page 278 and 279: 3-32. The 128 nautical mile range i
Page 280 and 281: IN ANSWERING QUESTION 3-53,FIGURE 3
Page 282 and 283: 3-74. What is the nominal peak powe
Page 284 and 285: 4-12. Sonar transmission losses can
Page 286 and 287: 4-31.4-32.4-33.When positive gradie
Page 288 and 289: 4-52. The function of the dual curs
Page 290 and 291: 4-71. The angle between a magnetic
Page 292 and 293: IN ANSWERING QUESTIONS 5-9 THROUGH
Page 294 and 295: 5-29. What component contains theop
Page 300 and 301: 6-20. On the HSI, when a tactical m
Page 302 and 303: 6-42. What control(s) the symbolbri
Page 304 and 305: 6-65. Which, if any, of the followi
Page 306 and 307: 7-11. If the temperature of a black
Page 308 and 309: 7-34.A scan mirror is indexed three
Page 310 and 311: 7-56. What is the primary differenc
Page 314 and 315: 8-21. With the landing gear handle
Page 316 and 317: 8-42. With the F/A-18 AIM-9 Sidewin
Page 318 and 319: 8-66. The jettison of wing stores I
Page 320 and 321: 9-13. What method is used to change
Page 322 and 323: 9-36. In magnetic core memories, a
Page 324 and 325: 9-57. What typeaccess toof instruct
Page 326 and 327: 10-12. To maintain the angle-of-att
Page 328 and 329: 10-35. A receiver tuned to 2.4 kHze
Page 330: 10-55. When rubbed against any of t
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Aviation Electronics Technician 1 - Historic Naval Ships Association

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