Thank you Ernie, for your comprehensive reply.Wasn't aware your site had navdata updates, willcheck it out straight away.JB

Just let you know, (since I started the thread!)I bought FS Build last weekend, and I really like it a lot. Thanks Ernie!Eric TSt Augustine FL737NG flight deck builder

One thing that no one has mentioned in this entire thread is that developer support for FSNav has disappeared. I fear that there will not be a revision for FS2006. --Tom________http://www.reality-xp.com/community/nr/rsc/rxp-higher.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!