Ground Instruction? Welcome to Sky Soaring › Forums › Restricted content › Ground Instruction? This topic has 2 replies, 3 voices, and was last updated 3 years, 10 months ago by Bob Steffens. Viewing 1 reply thread Author Posts Sunday, June 13th, 2021 at 8:46 am #10683 Dennis BurkeParticipant Yes, i am interested. Especially I think we may all need it when it comes to Winch Operation-specific topics. Many of attended the good SSI winch Ops Review at Schaumburg airport facility back in May of 2018. Really could use that again. Sunday, June 13th, 2021 at 8:46 am #10686 Bob SteffensParticipant yes Author Posts Viewing 1 reply thread The forum ‘Restricted content’ is closed to new topics and replies.