Tag: unairworthy
In Case You Missed It
Preparing For First Start
Steve Ells discusses the preparation and procedures for starting your new or newly overhauled engine for the first time.
Oil Filter Testing
Some aviation oil filters fall short of efficiency standards, but still protect engines—barely. Understand what yours really does.
The Personalized Grip
There comes a time, fairly early in the kit-building process, where if a builder...
![My 36 year old clipboard from when I started at Boeing. Engineering ruler and fastener/fastener hole cheat sheets. [Credit: Andrew Robinson]](https://www.kitplanes.com/wp-content/uploads/2026/08/Liaison_clipboard.jpg?w=324&h=160&crop=1 "What Is a Liaison Engineer?")
What Is a Liaison Engineer?
This column is geared more toward the younger crowd looking to enter aviation, so...