The complete
LRU test system
solution, simple as 1 2 3...
Choosing an MK Test System means investing in a solution that goes beyond just test equipment.
Our comprehensive turnkey package is designed specifically to test electrical interconnect systems, wire harnesses & active modules in numerous aircraft LRU variants.
This complete LRU test system solution meets all CMM requirements, and comprises a high-performance Automeg® test system, pre-configured test programs, and interface cables, customised to your exact requirements.

Our TIT* for your TAT.
*Test system + Interface cable set + Test programme
Automeg is an automatic test system, equipped with our MKAT test management software.
The Automeg specification will be confirmed following a discovery call with our sales experts.
We can supply you with the full set of test interface cables, or just the design.
If choosing the full supply option, we'll design, assemble, test and supply the complete cable set. All you have to do is supply the CMM and part mating connectors.
Opting for design only? We'll supply the methods drawing, wiring schedule and parts list.
Save hours of time by ordering the pre-written test programme for your required variant as part of your LRU test system solution.
We'll supply the test programme in MKAT format, ready to be used with the Automeg (almost) straight out of the box.
A test system designed for specific aircraft APUs...
Engine FMU
HMU fuel controls
Trim stabilizers
Motorized valves
Servo actuators
Autopilot controllers
...and more.
Want to learn more?
Subscribe to the mailing list, and we’ll keep you updated on the latest information, news and advice on the LRU test solution.
Why choose MK Test for your LRU test system?
All the elements you need to make testing simpler, from a single supplier.
We provide the pre-written test programme and interface cables as well as the test system itself.
Save money on operational, sourcing and set-up time with a CMM-compliant LRU test solution that's ready to go, (almost) straight out the box.
Configure the LRU test system bundle for your exact requirements.
Choose full interface cable set supply, or ask us to handle the design only. Want the test programme too? No problem!
Configure your LRU test system solution in just 4 simple steps
Step 1: Select your variant
Step 1: Select your variant
Step 2: Spec your Automeg test system
Step 2: Spec your Automeg test system
Step 3: Confirm your cable requirements
Step 3: Confirm your cable requirements
Step 4: Add the test program
Step 4: Add the test program
Heico saved 85% on LRU testing time.
Heico use MK Test’s Automeg to run automatic testing of over 25 different LRUs in their Miami, Florida repair station.
Testing time for one LRU was reduced from 50 minutes to just 8 minutes – a huge 85% reduction.
The LRU test sytem eliminates specialised operator training, reduces labour cost, and minimises shop travel time by replacing 4-5 different manual tools.


Join our webinar to learn more.
Learn all about MK Test’s LRU Test System Solution in this in-depth webinar. With an MRO focus, this session explores how our tailored testing solutions ensure reliable and efficient performance.
- Overview and key features of the Engine Test System Solution
- Customisation options, including interface cable sets and pre-written test programmes for LRUs.
- Q&A with our applications experts
Download the brochure
Save this information somewhere handy – download the LRU test system solution brochure here. Choose your preferred language format and click the download button.

Let's build your perfect test solution.

If you're looking for a complete test solution for aircraft engines, you've found it.
We also offer this complete test bundle configured specifically for several engine variants including GE90-, CFM56-, and LEAP. These kits also include everything you need:
- Automeg test system
- Interface connection cable set
- Pre-written test programme