"Using a combination of the original 1930’s drawings and modern-day CAD technology, our engineers and artisans put more than 5,000 labor hours of the finest craftsmanship into each WACO aircraft."

http://www.wacoaircraft.com/quality/

TM Factory Visit 2019 - https://bit.ly/4mLbmG9

https://www.flickr.com/photos/jonathanjenkins/