Excalibur Systems

Avionics Systems

Excalibur Systems provides a large
selection of board level products for
many types of avionics systems.

Excalibur Systems

Commercial Avionics

Excalibur Systems
provides a large selection
of board level products
for commercial avionics.

Products & solutions

Excalibur Systems

Excalibur Systems is the leader in providing the Aerospace Industry with high quality, cost effective data bus interfaces, data recorders, converters, couplers, cables, connectors and Integrated Solutions. Excalibur Systems' line of products provides support for MIL-STD-1553, ARINC-429 and other military and commercial avionics specifications.

Popular Products

1553 bus analyzer

Our inline Bus Monitor is a very small, very light MIL-STD 1553 Bus Monitor that can be connected to any Windows device with a USB connector. It monitors and records all or selected 1553 traffic for later analysis or reconstruction in the lab using Exalt Software.


429 bus analyzer

Introducing the potable Arinc-429 Bus Analyzer! This powerful tool allows you to monitor, analyze, and troubleshoot Arinc-429 bus data with ease. With its user-friendly interface, you can quickly identify and resolve communication issues in real-time. The Arinc-429 Bus Analyzer is an essential tool for your work. 


Flight Sim Tester

Now Test your products using a real flight simulator for more accurate data.

Package includes:

  • Flight Simulator
  • MACC protocol converter
  • 429 or 1553 USB/Ethernet Interface
  • EXALT Plus



Unet2 USB/Ethernet

The EXC-UNET2 is an intelligent, multiprotocol and multichannel test and simulation device with the ability to interface through USB Type C or Gigabit Ethernet interfaces. The EXC-UNET2 supports up to 4 of any of our standard avionics protocols, enabling you to customize it to your exact needs.  



Fully Integrated

An advanced, ruggedized PC104 and PC104+ system in an enclosed, modular casing. The system is appropriate as a mission computer or for use in data acquisition and recording for any combination of ARINC-429, MIL-STD-1553, Serial, Discrete or similar types of communication.


Rugged & Commercial Converters

Protocol Converter

The MACC is a complete Miniature Airborne Communications Converter (data converter) designed to convert between different avionics communications specifications, such as: 

MIL-STD-1553/1760, ARINC 429, H009, CANbus, Serial (RS-232/422/485), NMEA, Discrete I/O's, Ethernet & more.



MIL-STD-1553 Repeater

The ESI-1553RPT MIL-STD-1553 Repeater box was developed for customers who need to extend the existing length of their bus or provide the capability to utilize long stubs or to connect a number of devices to a single stub.


Data Acquisition Systems & Recorders

Excalibur's DRAGON & MARC data acquisition systems can convert physical conditions into digital form, for further storage and analysis.

The systems are appropriate for use in data acquisition and recording for any combination of ARINC-429, MIL-STD-1553, Serial, Discrete or similar types of communication



EXC-8000cPCI 24 May, 2022
The EXC-8000cPCI board for Compact PCI & PXI systems supports up to 6 modules. Each module represents an independent test and simulation device.
read more news
MARC II - mini recorder 14 January, 2022
The MARCII is a complete Miniature Airborne ReCording system designed to record messages of several communication protocols. Small, light, with low power consumption and large storage capacity for recorded data, the MARCII is the perfect standalone solution for airborne recording.
read more news
4000 Obsolescence 3 January, 2022
After 20 years as the premier multiprotocol avionics communications family of boards in the industry, the Excalibur 4000 family of boards is becoming obsolete due to the obsolescence of several parts on the board including the 96-pin connector.
read more news
Price increase 3 January, 2022
So far 2021 has been a difficult year for many industries, including ours. We were hopeful that we would see a turnaround by now, but the supply chain challenges have recently become even greater. The difficulty obtaining components is increasing on a daily basis.
read more news
M8KADDA 17 March, 2021
New at Excalibur - Module for the 8000 family of cards - Analog to Digital & Digital to Analog
read more news

EXALT Plus *** 64bit

Databus monitor and analyzer

is a cost-effective avionics monitoring and simulation application for MIL-STD-1553, ARINC-429 & many other protocols that streamlines data acquisition, processing and translation into meaningful engineering units, raw data and graphical displays. Now in 64 bit version!


A2D & D2A


Multi-channel Analog to Digital & Digital to Analog module for the 8000 family of cards

General Features

 ♦ 10 DAC channels
 ♦ 5 ADC channels
 ♦ Differential or single ended IOs
 ♦ Full scale bipolar or unipolar signaling

Conduction Cooled

Embedded Boards

ARINC-429 PMC up to 20 channels

ARINC-708/453 PMC up to 4 channels

MIL-STD-1553/1760 PMC up to 4 channels

MIL-STD-1553/1760 VME up to 16 channels



Multi protocol

The EXC-8000PCI/104-Express is a multiprotocol PCI/104-Express interface board for avionics test and simulation applications. Each board supports up to four removable modules and 10 on-board Discrete channels. Ideal for embedded systems.


Power Supply

PC/104 Plus Power Supply

The EXC-PSM104P85S power supply is a high performance 85 Watt power supply designed for aerospace, military and high-end industrial applications.The EXC-PSM104P85S is ideal for embedded solutions and is specifically designed to comply with MIL-STD-461E, MIL-STD-704A & E and MIL-STD-1275B.


4000/8000 PCI Express

Multi-protocol PCI Express

The 4000 and 8000 PCI Express carrier boards were developed to meet the needs of avionic testers for multi-protocol integrated, digital bus testing using PCI Express.


Box Couplers

MIL-STD-1553 Couplers

Box Couplers are the key component in the fabrication of your bus architecture. Excalibur provides a full line of standard couplers listed in the catalog as well as custom couplers to your requirements. Excalibur's products are cost competitive, with delivery from stock.


In-line Couplers

MIL-STD-1553 In-line Couplers

IN-LINE COUPLERS are predominately utilized in airborne applications but can also be used where space is limited such as testers and simulators. The products were designed to meet the environmental requirements imposed by the military, including the temperature range of -55°C to 125°C.


Bus Switches

MIL-STD-1553 Bus Switch

MIL-STD-1553 Bus Switches are devices that enable system architecture to be reconfigured. This reconfiguration is mostly accomplished in the test environment and includes but is not limited to simulation of missile firing and switching in or out a new section of bus interface.


Terminators, Cables & Connectors

MIL-STD-1553 Accessories

Excalibur provides a variety of terminators that includes, 78 ohm, 3K ohm and others.

Excalibur Cable Plugs & Jacks are built to last with superior mechanical performance and rugged physical properties


429 Tutorial

ARINC-429 Tutorial


1553 Tutorial

MIL-STD-1553 Tutorial

(a four part introduction to 1553)


Tutorial - Couplers

All you wanted to know about connecting to a MIL-STD-1553 bus

Turn up your speakers and click here!


ARINC-664P7 / 825 / 717 Tutorials

ARINC-664 Part 7 



ARINC-717 Tutorials


Excalibur Courses

ZOOM Training Seminars in:
  • MIL-STD-1553
  • ARINC-429
  • AFDX / ARINC-664
  • ARINC-825 / CANbus
  • ARINC-717
  • Ethernet
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