Garmin GNS-430/530 STC FAA familiarized for the Piper Cheyenne by admin | Jul 13, 2000 | Uncategorised | 0 comments Marinvent obtained a Dual Garmin GNS-430 and/or 530 STC for the Piper Cheyenne I and II familiarization by FAA. Submit a CommentYou must be logged in to post a comment.