Use of aircraft parts without EASA Form 1.

NOTE: On May 18, 2022, an update of rule 21.A.307 came into force. I have not yet sorted out exactly what effect that update has on the use of parts without a Form 1, but it appears to make it more difficult. It is generally believed that on certified aircraft you can only use parts … Continue reading “Use of aircraft parts without EASA Form 1.”