In Case You Missed it
Ask the DAR
Complying with the 51% rule, bringing Canadian aircraft into the U.S., adding auxiliary fuel tanks, using non-TSOd ADS-B in an Ercoupe.
Build It Better: Play by the Rules
Some rules are made for you, and some rules are made by you. Those personal rules create a higher level of safety for you and your passengers, and they are the mark of professionalism in a pilot.
Tapping Heads
The tapping head has a lot to commend it for the home machinist who is trying to add efficiency and consistency to tapping tasks.