​AT-30 Aircraft Navigation Trainer

Model AT-30 Aircraft Navigation Systems Trainer is designed to provide hands-on training on a real and operational equipment approved for aircraft installation. The equipment is mounted on a mobile workstation containing aircraft navigation radio, indicator, and the NAV antenna assemblies. All interconnections are of aircraft quality electrical shielded wiring, cables, connectors, and harnesses. The workstation includes a test panel console for bench testing of NAV electronics.

Using Model AT-30, Avionics Instructors can effectively teach students on installing, removing, and testing as done on flight lines. Students develop proper understanding and learn to troubleshoot the NAV Systems.

Installed Systems:

VOR, Localizer, Glide Slope,Marker Beacon,ADF,H.S.I system (directional gyro and magnetic flux detector)


  • Technical Reference Manuals
  • Students’ Manual
  • Wiring diagram

Test Panels:

The Model AT-30 navigation trainer is fitted with test panel to monitor the Unit Under Test (UUT) input/output signals for calibration and troubleshooting. The test panels relate to ADF system and VHF Navigation system.


Metering is provided by a panel mounted digital meter. The meter switch selects the following inputs:
  • DC Volts
  • Tx/Rx Amps
  • IND Amps
  • RMS (speaker channel)
  • NAV FLAG (0 to 5 - 1K meter loads)
  • NAV DEVIATION (0 to 5 - 1K meter loads)
  • GLIDE SLOPE FLAG (0 to 5 - 1K meter loads)
  • GLIDE SLOPE DEVIATION (0 to 5 - 1K meter loads)
  • TO-FROM FLAG (200 ohm meter load)

Test Points & Switches:

  • The panel has Breakout Jacks for access to a variety of signals and functions.
  • NAVIGATION section provides the following common test point and switches.
  • Metering of Deviation and Flag outputs
  • Loading for the Deviation and Flag outputs
  • Test Point Jacks for Deviation and Flag outputs
  • ILS energize switch
  • BNC connection for Composite out
  • Test Point Jacks for OBS signals (provision for connection of precision track selector)

Computer Based Training:

Model AT-30 is supplied with CBT covering the relevant topics, at no additional cost.

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