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Deklin Aiu-900 Autopilot Interface Unit

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AIU-900A For GarminAIU-900B For Aspen
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Overview

The AIU-900 is a pre-assembled autopilot interface unit following the interconnect specifications and component requirements recommended by the manufacturers of certain PFD systems when interfaced with the existing 1C388 series autopilot couplers. This unit is intended to provide a convenient solution in a single device with multiple variations for installers to use in place of producing the same circuits from discrete components as specific in PFD installation manuals.

For use with Aspen or Garmin PFD’s Supports 1C388 / 1C388M / 1C388-2 / 1C388-3.

These will also work with the Garmin G5 unit when interfaced to the 1C388 couplers


NOTE: Does NOT include install kit (AIU-900IK) (See P/N: 11-17576).

   
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Features

  • EFD1000PRO PFD to Century 1C388 series autopilot couplers.
  • G500 PFD to Century 1C388 series autopilot couplers.
  • Small size
  • D-Sub connector
  • Easily mounted

Specifications

  • Dimensions: 4.60 x 2.56 x 1.50 in, (116.5 x 65 x 1.5 mm) without mating connector
  • Weight: 0.38 lb (0.17 kg)
  • Connectors: 25-pin female D-sub connector
  • Mounting: Bulkhead, four 8/32 screws
  • Input Voltage: Not Applicable
  • Current: Not Applicable
  • Case Material: 5052H32 aluminum chassis and cover

Component List

AIU-900A For Garmin
  • Capacitors: 0.047uF metalized polyester, 100V
  • Inductor, Choke: 18 mH
  • Resistors: 10.0 KÙ, 0.25W, 1%
  • Transformers: TY-141P (x3)
AIU-900B For Aspen
  • Capacitors: 0.027uF, 0.047uF Metalized Polyester, 100V
  • Inductor, Choke: 18 mH, 27mH
  • Resistors: 10.0 kOhm, 100.0 kOhm 0.25W, 1%
  • Trim Pots: 5 kOhm, 200 kOhm Single Turn, Side Adj
  • Transformers: TY-141P (x1), TY-145P (x2)

In The Box

  • 1 - AIU-900
  • Accessories
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Reviews

Good product but there are now 6 different letter designations depending on what you are integrating to. The Garmin box I got doesn’t work with the Century/Garmin GI275. Ref to AIU-900 manual rev 2.31 or newer from Deklins website to make sure you got the right box.

Fly B
October 6, 2023

Q&A

Please note, Pilotshop.com's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Pilotshop.com assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.