The purpose of this technical publications website is to:

1. Be the sole repository for the latest component maintenance manuals, overhaul manuals, service letters, and service bulletins in support of all high quality APC products.

“The Customer is the Focus of Everything We Do!”

For over forty years, Aircraft Parts Corporation (APC) has been committed to being the leader and industry standard in the design and manufacture of aircraft electrical systems. Today, as a proud member of the TransDigm Group family, this goal and pledge has been renewed.