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Week 10 Day 1
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https://www.youtube.com/watch?v=SWU9wbcI49g Pilatus Aircraft Ltd - Apex Avionics System 14min 25 sec Preflight, start, take off etc
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Chapter 20 TCAS Answer questions 2 – 4, 8 - 10 Chapter 24 Connectors Answer questions 3 through 6 Chapter 25 Wiring Answer questions 3, 5, 8 – 14, 19 Week 2 Chapter 25 Wiring the Airplane No questions for now
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Chapter 20 Traffic Alert and Collision Avoidance System TCAS
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The heart of the TCAS system is the transponder. Aircraft with Mode C transponders will respond to interrogations with altitude information. Aircraft with Mode S transponders will respond to interrogations with address information. Because TCAS operates aircraft-to-aircraft, it is not dependent on ground stations.
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TCAS on Vertical Speed Indicator
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The red arc indicates the area to avoid, the pilot always shoots for the green arc. In this example, the airplane is descending at about 3000 feet per minute. Textbook page 149
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TCAS Warnings Textbook page 152
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Nov 1, 2004 – May 31, 2005
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ADS-B Automatic Dependant Survailance- Broadcast http://www.faa.gov/nextgen/implementation/programs/adsb/
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Chapter 24 Connectors
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Connector s Light aircraft have connectors in the dozens while large aircraft have them in the hundreds.
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Connector s Connectors are a major cause of equipment failure. Pins are wired incorrectly, bare wires touch and short circuit, contamination fowls connections and or connector pins are accidently bent. Failed connectors can mimic system failures.
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Cannon Plug Threaded coupling
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Bayonet Connector
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Some letters may be omitted. page202
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Page 201
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D Subminiature. The "D" refers to the shape of the connector, which is wider on one side to prevent the plug from being inserted incorrectly.
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ARINC 404 Textbook page 193
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Power Data Radio Frequency [RF ]
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150 connections in one block This is what connects the LRU to the aircraft. It is what makes the LRU “R”eplacable
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Molex
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Know that Mil-Spec means Military Specification Page 202
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RJ Registered Jack RJ is a standardized jack construction and wiring pattern for connecting telecommunications or data equipment. Standard designs: RJ11 RJ14 RJ21 RJ45 RJ48
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RS Recommended Standard RS-232 RS-422
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USB Universal Serial Bus
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Solid versus Stranded Wire Insulated versus Uninsulated Textbook page 216
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Twisted Pair
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EMC ElectroMagnetic Compatibility EMIElectroMagnetic Interference Shielding Prevents other signals from entering the cable such as pagers, cell phones, transmitters etc. Prevents leakage of cable signals out of the cable. Textbook page 222
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Ferrite Beads or Chokes
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Coaxial or Coax Cable The term coaxial comes from the inner conductor and the outer shield sharing a geometric axis. Coaxial cable is used as a transmission line for radio frequency signals.
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Coax Cable AC 43 1 Never kink coaxial cable. 2 Never drop anything on coaxial cable. 3 Never step on coaxial cable. 4 Never bend coaxial cable sharply. 5 Never loop coaxial cable tighter than the allowable bend radius. 6 Never pull on coaxial cable except in a straight line.
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RF Radio Frequency Connectors Page 200 BNC Bayonet Neill Concelman TNC Threaded Neill Concelman Coax RG-8, RG- 58, RG-141 and RG- 225
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RFRadio Frequency Coaxial Coax
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Radio Guide RG-58 RG-59 RG-179 RG-316
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RFU Radio Frequency UHF RFU 643 RFU 623 RFU 632
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Chapter 27 Antennas Answer questions 1 – 6 and 10 – 12 Chapter 29 Trouble Shooting Answer questions 1, 2, 5, 7, 8, 16
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27 Antennas
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Demands on Antennas that transmit and receive radio signals…. ie. frequency Hostile Aviation Environment 500 knots winds Severe temperature swings Weather conditions to include hail, ice and rain The cables inside the aircraft are subject to temperature changes, humidity, potentially corrosive materials (fuel, hydraulic fluid, oil) vibration etc. p182-
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Antenna
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Antenna or Fin?
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EMC and EMI ElectroMagnetic Compatibility ElectroMagnetic Interference Textbook page 222
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Compass / Instruments
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100 Amps !
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Aircraft Structures
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Fuselage stations (Fus. Sta. or FS) are numbered in inches from a reference or zero point known as the reference datum. The reference datum is an imaginary vertical plane from which all fore and aft distances are measured.
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Buttock line or butt line (BL) is a vertical reference plane down the center of the aircraft from which measurements left or right can be made.
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Water line (WL) is the measurement of height in inches perpendicular from a horizontal plane usually located at the ground, cabin floor, or some other easily referenced location.
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Aileron station (AS) Flap station (KS) Nacelle station (NC or Nac. Sta.) FAA H 8083—31 vol 1 pages1-39, 40
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Not in Book
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Avionics is aviation electronics. NOT IN BOOK: ADS-B, Aging Wiring, AOA, TAT, IFE, HUD/HGS, SVS, Next Gen, HH, RNP, WxNET, UAV / Drones etc.
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UAV
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Turkey drone https://www.yahoo.com/tech/after-centuries-of-being-largely- earthbound-your-103672491654.html
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http://www.greenriver.edu/academics/areas-of-study/details/aviation-technology.htm
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UAV, UAS
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$6,000,000,000 worth of packages under 3 pounds in the US every year.
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UAV, UAS $6,000,000,000 worth of packages under 3 pounds in the US every year.
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Flight Plan: Charting a Course for Drones in Washington https://www.youtube.com/watch?v=6ZjwgSwXfMQ
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Micro Drone 2.0 Review. https://www.youtube.com/watch?v=RSMVure-GGU First 2 and ½ minutes.
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Workers recover drone stuck on 115,000-volt power line A drone stuck in a power line over Lake Union’s Mallard Cove for nearly a week came down Saturday, at a cost of nearly $35,000to Seattle City Light. The drone had become a nuisance to the houseboat tenants in Mallard Cove because of a loud buzzing it created hanging off the 115,000-volt transmission line — and it also decreased the efficiency of the line.
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End of Week 10 Day 2
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