In a nutshell: The FAA has ordered Warbird Adventures to stop providing flight instruction in a P-40 because it holds only a limited airworthiness certificate and 91.315 bans carrying passengers or property for hire. The court (US Court of Appeals for DC) held that the rule means how it reads despite the FAA's previous interpretations that flight instruction is not carrying the student for hire.
Attached are the decision itself and the amicus brief that the EAA, IAC, and AOPA jointly filed on the subject.
Attached are the decision itself and the amicus brief that the EAA, IAC, and AOPA jointly filed on the subject.