Originally Posted by
EXDAC
I have found an "FAA Safety Briefing" article dated September/October 2010 that references common purpose but I can find nothing in Part 91 that references or defines "common purpose". Is common purpose an FAA interpretation related to cost sharing or is defined by regulation? If defined by regulation, or even by Advisory Circular, I'd appreciate a reference.
FAA letter of interpretation in the Flytenow case.
https://www.kattenlaw.com/Flytenow-I...-Certification