Imagine airbus or boeing or the FAA allowing uncertified code to enter critical commercial aircraft systems. Yeah because some tractor is as much of threat as

Imagine airbus or boeing or the FAA allowing uncertified code to enter critical commercial aircraft systems. Yeah because some tractor is as much of threat as a 450 ton jumbo jet. Even if there were no regulations preventing it. Even if there were no technological locks preventing it. No one would install unapproved software on such a contraption because the risk of getting sued out of existence would be too great.