AC 91-57 Cancelled in ErrorLast Friday, Oct 10th, it was announced that FAAÂ Advisory Circular 91-57, “Model Aircraft Operating Standards”, published in 1981 was cancelled. Â This obviously caught the aeromodeling and sUAS community by surprise and left a lot of unanswered questions. In a communication earlier today with Jim Williams, Executive Manager of the FAA UAS Integration Office, it was […]
AC 91-57 Cancelled in Error