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AVI ation Electr ONICS Avionics FAA Federal Aviation Administration.

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Presentation on theme: "AVI ation Electr ONICS Avionics FAA Federal Aviation Administration."— Presentation transcript:

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2 AVI ation Electr ONICS Avionics

3 FAA Federal Aviation Administration

4 A and P / Airframe and Power plant Certificate https://www.faa.gov/mechanics/become/basic/

5 The FCC and FAA do not currently offer a "Avionics Technician License." What the FCC does offer is the(GROL) "The General Radiotelephone Operators License." You are not required to attend an Avionics Technical School to participate in the FCC examinations or to gain employment as an avionics technician.

6 CFRs Code of Federal Regulations Title 14 Aeronautics and Space Chapter I FAA, DOT Subchapter A, B, C… Part 1,2,3… Subpart A, B, C Part is the term used in the industry.

7 FAA.GOV

8 About gyroscopic rigidity in space. Spatial disorientation.

9 AC 43.13-2B FIGURE 11-1. THE BASIC “T” INSTRUMENT CONFIGURATION FARPart 2525.1321 (1) The instrument that most effectively indicates attitude must be on the panel in the top center position;

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11 Textbook page 169, 171

12 Bus In electrical power distribution, a bus bar is a strip or bar that conducts electricity. It is a distribution point in an aircraft electrical system to which the battery and the generators are connected and from which the electrical loads derive their power.

13 A SWITCH is a device for turning on or off or directing an electric current or for making or breaking a circuit. A CIRCUIT BREAKER is an automatic switch that stops the flow of electric current in a suddenly overloaded or otherwise abnormally stressed electric circuit. A FUSE is a current limiting device

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15 Pitot-Static System Airspeed Vertical Speed Indicator Altimeter

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18 Week 1Chapter 22 Electrical System Answer questions 1 and 3 – 9 Answer all questions except # 2

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24 Week 2 Chapter 26 Aviation Bands and Freqs Answer questions 4 – 7. Week 2 Chapter 25 Wiring the Airplane No questions for now

25 Save all of your assignments

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27 Chapter 22 Aircraft Electrical Systems

28 AC (Alternating Current) Generator

29 Alternating Current

30 Hz Hertz CPSCycles Per Second Frequency

31 Amplitude is Voltage

32 Textbook chapter page 169, 171

33 Diode Diode: an electronic device that has two terminals and is used especially as a rectifier.

34 AC converted to DC

35 LRU Line Replaceable Unit TRU Transformer: change of voltage Rectifier: AC to DC Unit

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37 Oscilloscope Experience?

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39 Chapter 26 Aviation Bands and Frequencies

40 Radio Frequencies RF Each time current rushes into or out of the antenna, an electromagnetic wave travels outward. A radio signal can be pictured as an alternating flow (the shape of a sine wave).

41 Frequency Hertz Hz Cycles per second CPS Amplitude Voltage

42 p231-A RF Bands This was determined by international agreement to provide a global structure. Frequencies which fall within any band behave similarly. Low frequencies hug the earth, following the curve over the horizon. Higher up, frequencies act like light---traveling in straight lines. Compare this from page 231 with page 237.

43 p233-A Skipping Through the Ionosphere

44 p235-A Line of Sight Communications

45 p238-A Ground Wave Transmission

46 p232-A UHF 300 MHz - 3 GHz SHF 3 GHz - 30 GHz EHF 30 GHz - 300 GHz

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48 Chapter 3 VHF Com Very High Frequency Communication

49 All RADIO Chapters 3-16 and 19, 20 VHFHFSatcomACARS SelcalELTVORILS ADFDMETXPDRRAD ALT WX DetectionTCAS

50 Transmitter Antenna

51 Receiver

52 Radio Frequency CARIER WAVE Information MODULATION Modulated Carrier

53 Modulation + Carrier Wave = AM Amplitude Modulation Modulation Signal Information Carrier Wave Modulated Carrier Wave

54 Frequency of the human voice ranges from about 60 to 7000 Hz.

55 Human hearing range is usually said to be 20 Hz to 20,000 Hz.

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57 Radio Frequency (RF)Spectrum Ranges Very Low Frequency VLF 3 kHz - 30 kHz Low Frequency LF 30 kHz - 300 kHz Medium Frequency MF 300 kHz - 3 MHz High Frequency HF 3 MHz - 30 MHz Very High Frequency VHF 30 MHz - 300 MHz Ultra High Frequency UHF 300 MHz - 3 GHz Super High FrequencySHF 3 GHz - 30 GHz Extremely High Frequency EHF 30 GHz - 300 GHz Aviation VHF Com 118.00 – 136.975 MHz

58 Textbook page 17

59 For both radio and computer communication

60 VHF Com Radio Radio can be a single unit connected to an antenna and power or it can be multiple units with many possible audio paths. Textbook page 19

61 Basic VHF-Navcom Connections Textbook page 18

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64 End if Week 2 Day 1


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