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Avionics

The onboard electronics used for piloting an aircraft are called avionics (AVI-ation electr-ONICS). Avionics include communications and navigation systems, autopilots, and electronic flight management systems (FMS). more...

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Onboard electronics that are unrelated to piloting tasks, such as video systems for passengers, are sometimes considered avionics as well. Many of these devices include embedded computers.

History

Radiotelephone (two way voice radio) systems have been installed in aircraft since before World War II, and have been widely used for mission coordination and air traffic control. Early systems used vacuum tubes, and because of their weight and size, were installed out of the way with only a control head in place in the flight deck. Standardization on VHF frequences occurred shortly after World War II, and transistor radio systems replaced the tube-based systems shortly afterward. Only minor changes have been made to these systems since the 1960s.

The earliest navigation systems required the pilot or navigator to wear headphones and listen to the relative volume of tones in each ear to determine which way to steer on course.

Later, navigation systems developed along five separate paths:

  • NDB/ADF systems
  • VOR systems
  • ILS systems
  • ATCRBS Transponders
  • Distance Measuring Equipment
  • GPS receivers

Non-Directional Radiobeacon

The NDB (non-directional radiobeacon) was the first electronic navigation system in widespread use. The original radio range stations were high-power NDBs, and followed nighttime routes previously delineated by colored light beacons. DF (direction finder) and ADF (Automatic Direction Finder) avionics can receive signals from these. A needle shows the pilot the relative heading toward the station compared to the centerline of the aircraft. NDBs use the LF and MF bands, and are still in use today (2005) at smaller airports because of their low cost but their use is quickly being supplanted by GPS. This is due mostly from the higher cost of ADF equipment in the aircraft and maintaining the NDB stations.

Read more at Wikipedia.org


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Applied/Northr​um Grumman 31-016280-01 Oscillator for F-.Applied/Northr​um Grumman 31-016280-01 Oscillator for F-. $99.95 Aviation Pilots Aircraft Intercom 2 Users (Calls/Music)Aviation Pilots Aircraft Intercom 2 Users (Calls/Music) $119.00
Vlf/Omega Global Nav 11444-1 Loop Coupler Unit Tso-C94Vlf/Omega Global Nav 11444-1 Loop Coupler Unit Tso-C94 $89.95 King Ka 285 14/28 Volt Annunciator P/N 065-0032-01 Ka-2.King Ka 285 14/28 Volt Annunciator P/N 065-0032-01 Ka-2. $199.95
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Sundstrand Data Control Mkv Mk Ground Warning Computer .Sundstrand Data Control Mkv Mk Ground Warning Computer . $79.95 Original Military Mig-15 Fighter Cockpit Altimeter Heig.Original Military Mig-15 Fighter Cockpit Altimeter Heig. $49.99
Free Shipping Original Mig-15 Fighter Cockpit Air Speed.Free Shipping Original Mig-15 Fighter Cockpit Air Speed. $64.99 Kollsman Aau-32/A Altimeter 50,000 ft range.Kollsman Aau-32/A Altimeter 50,000 ft range. $499.95
Bendix/King Dme Indicator Kdi571 066-3032-14 Tso C66a D.Bendix/King Dme Indicator Kdi571 066-3032-14 Tso C66a D. $125.00 Sunair Scu-13 28V Remote Control Head for Asb-130 Hf T.Sunair Scu-13 28V Remote Control Head for Asb-130 Hf T. $99.95
Honeywell Sperry Ra-100A Radio Altimeter Indicator Aa-Honeywell Sperry Ra-100A Radio Altimeter Indicator Aa- $90.00 Military Aircraft Mig-15 Fighter Cockpit Altimeter Heig.Military Aircraft Mig-15 Fighter Cockpit Altimeter Heig. $49.99
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Military Mig-15 Fighter Cockpit Airspeed Instrument Ind.Military Mig-15 Fighter Cockpit Airspeed Instrument Ind. $49.99 Narco Com Iiib TsoNarco Com Iiib Tso $1.00
LinAire Operation & Service Manual for L-240 Test PanelLinAire Operation & Service Manual for L-240 Test Panel $49.95 Avionics Installations Service Parts Manual 1979-1989 P.Avionics Installations Service Parts Manual 1979-1989 P. $14.99
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Bendix King Ki 250 Radar Altimeter Indicator,Bendix King Ki 250 Radar Altimeter Indicator, $399.00 Lot Of 30 Nos Tube * 6Ax4 / 6Ax4Gtb (Mfr. General Elect.Lot Of 30 Nos Tube * 6Ax4 / 6Ax4Gtb (Mfr. General Elect. $200.00
Avionics Terra Tm-23 Marker Beacon Receiver Tm23Avionics Terra Tm-23 Marker Beacon Receiver Tm23 $49.95 King Kma-24H-65 Audio Control Panel 066-1055-65King Kma-24H-65 Audio Control Panel 066-1055-65 $199.95
Carter Engrg Ce 394 U Avionics Audio Intercom Controlle.Carter Engrg Ce 394 U Avionics Audio Intercom Controlle. $24.95 Mig-15 Fighter Indicator Electric Turn&Bank Instrument .Mig-15 Fighter Indicator Electric Turn&Bank Instrument . $49.99
Collins Vir-30/30A Nav Vor Loc Gs Mb Rcvr 622-0876-001 .Collins Vir-30/30A Nav Vor Loc Gs Mb Rcvr 622-0876-001 . $89.95 Cessna 182P, 1973, Center Console, Right Panel and Left.Cessna 182P, 1973, Center Console, Right Panel and Left. $79.99
Turn CoordinatorTurn Coordinator $119.00 A.W. Sperry 1778007 To-From Sensor Sperry Rand Phoenix .A.W. Sperry 1778007 To-From Sensor Sperry Rand Phoenix . $195.00
Wilcox Telline Radio Ils Receiver Fa-9740 Fa9740Wilcox Telline Radio Ils Receiver Fa-9740 Fa9740 $4,500.00 Collins S-Tec Aud-250-Tso Audio Control Panel 622-2088-.Collins S-Tec Aud-250-Tso Audio Control Panel 622-2088-. $49.95
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Prices current as of last update, 05/17/12 4:57am.

See also...
Audio Panels, Avionics, Aviation Parts
Flight Controls, Avionics, Aviation Parts
GPS, Avionics, Aviation Parts
Handhelds, Avionics, Aviation Parts
Indicators, Avionics, Aviation Parts
Intercoms, Avionics, Aviation Parts
NAV/COMs, Avionics, Aviation Parts
Other Avionics, Avionics, Aviation Parts
Transponders, Avionics, Aviation Parts

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