Since aircraft tires were mentioned, once upon a time I worked for a regional airline. The tires we used could be retreaded up to 25 times. Once a tire hit it's limit, it was replaced by a new tire... which I believe was bought from the Retreading Company. It was win/win for those guys.
One thing I noticed was that the new tires didn't last as long as a retread. A retread could go maybe a month before it had to be replaced, while the new tires usually didn't make 3 weeks.
On a personal note, back in the late '80s I put a set of retreads on my car, I ran them for about 4 years with absolutely no problems. I finally replaced them because I was worried about their overall age, but they were still 'healthy'. Now that I'm married with children, I wouldn't put them on my car.
One thing I noticed was that the new tires didn't last as long as a retread. A retread could go maybe a month before it had to be replaced, while the new tires usually didn't make 3 weeks.
On a personal note, back in the late '80s I put a set of retreads on my car, I ran them for about 4 years with absolutely no problems. I finally replaced them because I was worried about their overall age, but they were still 'healthy'. Now that I'm married with children, I wouldn't put them on my car.