Aerospace Systems
Aerospace Wiring & Interconnection Solutions
An airframe harness is routed once and then lives with the aircraft. It runs through bays that flex, past structure that vibrates and along paths that were agreed years before the wire was cut. Building it to the drawing, in a factory, is what keeps weight down and rework off the line.
EMI Backshells
Shielded
Custom Length
Bulkhead
Routed Runs
360°
Shield Termination
-55° to +125°
Temperature
15 g
Vibration
Design Notes
Building a Harness That Fits First Time
Five things that decide whether a harness installs cleanly or gets reworked on the aircraft.
01
Route Length Accuracy
A harness cut long is coiled somewhere it should not be; cut short it is under tension for the life of the airframe. Both are weight and reliability problems.
02
Shield Termination
A pigtail shield is a compromise that costs EMI performance at exactly the frequencies aircraft systems care about. A 360-degree backshell termination does not.
03
Bend Radius Discipline
Minimum bend radius is a real electrical specification, not a handling suggestion. Violating it changes impedance and eventually cracks the dielectric.
04
Bulkhead Transitions
Every pressure boundary crossing is a sealing problem and a bonding problem at the same time. Feed-through hardware has to solve both.
05
Weight
On an airframe, harness weight is measured and budgeted. Cable selection is a trade between loss, screening and grams per metre.
Reference Data
Typical Harness Requirements
Programme drawings govern. These are representative conditions for airframe harness work.
| Parameter | Typical Requirement | Relevant Series | Note |
|---|---|---|---|
| Shield termination | 360° via backshell | EMI backshells | No pigtails |
| Length tolerance | Per routing drawing | Built to order | Measured, not estimated |
| Temperature | -55 °C to +125 °C | Aerospace series | Bay and bilge zones |
| Bend radius | Per cable datasheet | Low-loss, semi-rigid | Fixed vs. dynamic differs |
| Vibration | Per DO-160 Section 8 | Qualified assemblies | Category by zone |
| Marking | Per programme standard | All assemblies | Wire numbers and part marking |
Our Role
What We Supply for Airframe Harnesses
01
Built to the Routing Drawing
Assemblies made to your actual lengths and bend radii, so installation is a fit rather than an adjustment.
02
Proper Shield Termination
EMI backshells with full circumferential termination, because the shield is only as good as the way it lands.
03
In-House Manufacture
Cable, connectors and assembly under one roof, which is what keeps a harness consistent from prototype through rate production.
Selected Products
Cable and Assemblies for Harness Builds
Typical starting points for airframe harness work. Send us the routing drawing and we will quote the set.
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0.031″ Semi-Rigid Low-Loss RF Coaxial Cable, 18 GHz Rated
$20.00 Add to cartQuick View -
0.141″ Semi-Rigid Low-Loss RF Coaxial Cable, 26.5 GHz Rated
$20.00 Add to cartQuick View -
N Male to N Male System Interconnect Low-Loss RF Cable Assembly – Use CFS810H Coax
$20.00 Add to cartQuick View -
N Male to N Male System Interconnect Low-Loss RF Cable Assembly – Use CFS830H Coax
$20.00 Add to cartQuick View
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Harness Engineering Support
Have a Routing Drawing?
Send us the routing, the zones and the shield requirements, and our engineers will come back with a harness proposal.