http://www.jets.dk/cs/forums/15/ShowForum.aspxQuestions about General Aviationen-USCommunityServer 2.0 (Build: 60526.2668)http://www.jets.dk/cs/forums/thread/9870.aspxWed, 08 Dec 2010 17:57:34 GMTa23efcf1-9e75-4ff9-be18-cd9cb68b9485:9870avionicsnet0http://www.jets.dk/cs/forums/thread/9870.aspxhttp://www.jets.dk/cs/forums/commentrss.aspx?SectionID=15&PostID=9870Did you find the answer to your question?<br>bob avionicsnet.com<br>http://www.jets.dk/cs/forums/thread/9828.aspxWed, 24 Nov 2010 16:56:58 GMTa23efcf1-9e75-4ff9-be18-cd9cb68b9485:9828avionicsnet0http://www.jets.dk/cs/forums/thread/9828.aspxhttp://www.jets.dk/cs/forums/commentrss.aspx?SectionID=15&PostID=9828Are you wanting an electric back up or air driven? Bob avionicsnet.com<br>http://www.jets.dk/cs/forums/thread/9208.aspxThu, 13 May 2010 07:16:52 GMTa23efcf1-9e75-4ff9-be18-cd9cb68b9485:9208Waterinthefuel0http://www.jets.dk/cs/forums/thread/9208.aspxhttp://www.jets.dk/cs/forums/commentrss.aspx?SectionID=15&PostID=9208You only posted 2 posts and they really are sort of polar opposites of each other but I would say that electric instruments are good backups to the vacuum ones. I'm not sure what you mean by "truly redundant." Either it's a redundant system or it's not. <br><br>I would say electrical is most practical. Most airplanes have an electrical system and usually they're pretty reliable.<br>http://www.jets.dk/cs/forums/thread/9113.aspxSun, 11 Apr 2010 02:03:11 GMTa23efcf1-9e75-4ff9-be18-cd9cb68b9485:9113Jerry390http://www.jets.dk/cs/forums/thread/9113.aspxhttp://www.jets.dk/cs/forums/commentrss.aspx?SectionID=15&PostID=9113<b>What is the most practical backup attitude gyro system that is truly redundant for general aviation single engine aircraft during IMC flight?</b><br>