TransDigm: Fort Knox in the Sky - The Ultimate Aerospace Moat

The mission-critical aerospace supplier you’ve never heard of.

Most people have never heard of TransDigm (TDG). Yet this mission-critical supplier of niche aerospace parts has one of the widest economic moats in the world.

And hence the makings of a ‘punch-card business’. As Warren Buffett says “I could improve your ultimate financial welfare by giving you a ticket with only twenty slots in it so that you had twenty…