AC 90-89A, ADVISORY CIRCULAR: AMATEUR-BUILT AIRCRAFT AND ULTRALIGHT FLIGHT TESTING HANDBOOK (24 MAY 1995)

AC 90-89A, ADVISORY CIRCULAR: AMATEUR-BUILT AIRCRAFT AND ULTRALIGHT FLIGHT TESTING HANDBOOK (24 MAY 1995)., This advisory circular (AC) sets forth suggestions and safety related recommendations to assist amateur and ultralight builders in developing individualized aircraft flight test plans.