
For nearly 50 years, the L. J. Walch Co. Inc. has been serving the aviation industry with one basic premise, to provide total quality service to the customer at a fair price. Maintaining this commitment from our smallest to largest customers has made a tag bearing the name L. J. Walch Co., synonymous with quality and reliability.
We provide electrical accessory overhaul services for class 1, 2, and 3 components. As a service to our airline customers we provide no cost exchange units.





To support our repair/overhaul requirements, we maintain a bar-coded thirty-three thousand line item inventory. This allows us to maintain traceabliity on every piece part that goes into one of our components.
The L. J. Walch Company is pleased to offer the Univate test stand. The Univate, manufactured by Avtron Manufacturing, Inc., allows for computer controlled testing so that specific failures can be tested, retested and reported automatically. The Univate allows precise monitoring of specific tests, enabling us to produce a superior product with a faster turn time.

With the UnivATE we can thoroughly test accessories focusing specifically on problems reported and test the units several times, even overnight, to be confident that they work at their maximum performance. UnivATE helps our qualified technicians find hard to see intermittent problems and make the appropriate fix allowing us to offer units that are more reliable than ever before.
UnivATE Monitor and keyboard
Control Operation
| UnivATE Computer System and Adapters
Perform Automatic Testing
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To ensure that our technical library is second to none, we spend countless hours maintaining the most current revisions. You can be confident that when a unit leaves our facility, it has been repaired according to the most recent specifications.

Our quality assurance department is an independent, top-level review that monitors not only the repair process, but the inspection processes as well. Our QA system focuses on making sure procedures and standards are followed and determining whether or not they are effective in meeting the overall goals for maintaining an airworthy product. We maintain these strict guidelines in order to provide our customers with a product that is of the highest quality and to verify that our system is working efficiently and without fault.

Our facility is a state of the art, 37,000 square ft. building, on 2.8 acres of land. This building is custom designed exclusively for L.J. Walch Co., Inc.

We encourage you to visit our website at
www.ljwalch.com where you can search (or download) our most current capabilities and inventory.
www.ljwalch.com allows us to keep our customers informed of the latest happenings within our company as well as providing online quoting, warranty and certificate information and even a virtual tour of our facility.

At L. J. Walch we consider ourselves a team. In order for a team to succeed, every member must do their best as an individual as well as making sure that the group is doing its best. To the L. J. Walch team, success is a job done right the first time in an efficient manner. We refuse to put our tag on anything less. We invite you to join our team and at the same time join hundreds of satisfied customers who have kept L. J. Walch on top of the commercial airline industry for a half-century...


LJ WALCH CO., INC. |
6600 Preston Avenue Livermore, CA 94550 United States
FAA #NC3R705L / JAA | |