2 RV12 flight around PA - David Valcik Watch in HD on YouTube! Share on Facebook! A flight to Donegal Springs for Mark Transponder check and then to Breakfast at Sky Manor, NJ. After a great Breakfast then the return to KPTW. 1 ½ hours of formation flying with Mark, what a great day to fly, video with a Gopro and the Insta 360 (3.20 sec edited video)