Hi, When I first started to use fs9 I would have contrails on higher flying aircraft but they have suddenly disappeared what have I done that I shouldn't have:+

This link is not directly on topic but it might also solve your problem. http://www.fsgateway.com/tips_read.asp?id=536http://mysite.verizon.net/tjrush/avsimfsg.jpg------------SYSTEM SPECIFICATIONS------------ Dell Pentium 4 at 3.2GHz with 800MHz FSB 1GB Dual Channel DDR SDRAM at 400MHz 128MB DDR ATI RADEON 9800 Pro 21 inch P1130 FD Trinitron CRT Monitor 120GB Ultra ATA/100 Hard Drive Sound Blaster Audigy 2 with DVD Audio WindowsXP Home Edition with Microsoft Plus!

Thanks Matt will give it a go

I had Contrails down to 28,000 feet, was Thinking that weather andtemp level setting would have something to do with your contrails,but mybe not! someone told me that in FS2003 contrails would comeon at 30,000 feet. So does anyone think that your weather settingwill set the level of Contrails?