EP193 - Getting in the Way of Our A&Ps

Owner-assisted maintenance, with all four hosts aboard: Ben, Brian, Ted, and Mark (1DullGeek), the show's resident expert, currently apprenticing in his mechanic's shop. What are you actually allowed to touch on your own airplane? The crew walks through 14 CFR 43.3(a), the 31 preventive maintenance items in Part 43 Appendix A(c), and the fine print that says you can change a tire on the rim but not remove the wheel, since that means touching the disc brakes. The sport pilot exception (SLSA only), why the list is not "examples," the Coleal interpretation and what Mike Busch and others have made of it, and the practical wisdom: even when it's legal, do it with your A&P the first time. Plus your aviation-lingo-at-home tape machine submissions from the EP191 ask, and the words of wisdom every procrastinating owner needs: the small problem you delay fixing becomes a major problem at the most remote airport on your trip.

Mentioned on the show:

Opposing Bases: https://www.opposingbases.com/

Cheese Pilot: https://www.youtube.com/@cheesepilot

Gita and the Calm Cockpit Podcast: https://calmcockpit.com/

Mark/1dullgeek's youtube: https://www.youtube.com/@1dullgeek

TL Sparker: https://tlsportaircraft.com/sparker/

Arrested Development, Mr. Wendal song: https://www.youtube.com/watch?v=qcnPfHS24Pg#t=1m

Meat and Three: https://en.wikipedia.org/wiki/Meat_and_three

Why can we work on our own aircraft? 43.3(a): https://www.ecfr.gov/current/title-14/part-43/section-43.3#p-43.3(a)

43 Appendix A(c): Preventive Maintenance. https://www.ecfr.gov/current/title-14/chapter-I/subchapter-C/part-43/appendix-Appendix%20A%20to%20Part%2043#p-Appendix-A-to-Part-43(c)

Except for sport pilot, pilots can perform preventive maintenance on owned or operated aircraft. Sport pilots only for SLSA: https://www.ecfr.gov/current/title-14/part-43/section-43.3#p-43.3(g)

The Coleal Interpretation: https://www.faa.gov/about/office_org/headquarters_offices/agc/practice_areas/regulations/interpretations/Data/interps/2009/Coleal-Bombardier%20Learjet_2009_Legal_Interpretation.pdf

AOPA: Mike Busch and Savvy on Coleal and maintenance: https://www.aopa.org/news-and-media/all-news/2019/october/pilot/savvy-aviator-preventive-maintenance

AOPA: Mike Busch on Coleal and other interpretations: https://www.aopa.org/news-and-media/all-news/2023/august/pilot/savvy-maintenance-legal-interpretations

GAN: Jamie Beckett on interpretations: https://generalaviationnews.com/2025/08/26/the-rules-mean-what-the-rules-say-or-maybe-not/