Sat 29 Aug

chevvron Cruising at altitude Posts: 365	Sat 29 Aug Aug 29, 2015 17:33:39 GMT Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by chevvron on Aug 29, 2015 17:33:39 GMT Twin piston from the sound passed over Chobham at 1.29 am tracking south east, returned opposite direction at about 2.04 am. Maybe a certain a/c out of an RAF airfield north west of London?

donutt1964 Cruising at altitude Posts: 103	Sat 29 Aug Aug 29, 2015 18:00:07 GMT Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by donutt1964 on Aug 29, 2015 18:00:07 GMT G-FCSL pa31 on calibration duties if fr24 is to be believed

chevvron Cruising at altitude Posts: 365	Sat 29 Aug Aug 30, 2015 3:20:49 GMT Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by chevvron on Aug 30, 2015 3:20:49 GMT Didn't sound like a PA31 but logical explanation.