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What is an Equipment Location Diagram and How is it Used During Wiring Harness Design?

400x400_EquipmentLocationDiagram_2018_Q2In the Aerospace Industry an equipment location diagram details the physical location of equipment installed in an aircraft.  These diagrams typically show the location of equipment with respect to an aircraft (station) coordinate system. Did you know that this XYZ system was originally developed for boats and is comprised of a fuselage station (X-axis), water line station (Z-axis), and butt line station (Y-axis)?  Modern combat aircraft like the F-16, F-22, F-35, F-15, UH-60, and V-22 contain multiple systems, and each of those systems necessitate the use of an equipment location diagram. A system is a collection of components designed to perform a specific task such as Landing Gear, Hydraulics, Weapons, Lighting, etc.

An equipment location diagram is critical for harness design because combined with airframe data, it helps establish the harness geometry necessary to electrically connect components in the aircraft.  In today’s advanced engineering systems, the airframe and equipment data will be stored as a 3D model within a harness design software package. The harness designers then use this data in consultation with mechanical/structural engineers to determine acceptable routing paths inside the airframe.  These routing paths along with the electrical wiring diagrams for each system can then be used to develop the data for each harness that will be installed in the aircraft.

At InterConnect Wiring we have invested in and utilize various harness design software including Solid Works, Catia, Enovia, HarnesSys, AutoCad, and CEEDS (Common Electrical Electronic Data System) as it relates to schematics, wiring diagrams and harness assemblies. If desired, InterConnect can create preliminary block diagrams, wiring diagrams and detailed cable assembly “Product Definition Packages” (PDPs) using SAE AS50881 and proven practices. In other words, using system level functional architecture and input from system information, InterConnect Wiring can develop interface block and wiring diagrams to be used to produce cable assembly BTP (Build to Print) packages.

After InterConnect develops the BTP package, our highly experienced assemblers can then assemble the wiring harnesses or cable assemblies as required for your aircraft. CONTACT US to receive more information or a quotation.

Our License

We are the sole licensee of Lockheed Martin for F-16 electrical products. Through this agreement, we have access to Lockheed Martin’s F-16 engineering data, tooling and configuration control information. We also have a Technical Services agreement with Sikorsky for all of their aircraft. This agreement allows us to obtain their engineering data needed to rewire helicopters that Sikorsky manufactures.



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