Freeware INS here.

In know this has been posted before but believe it or not there are still simmers who haven't discoverd it. A very realistic and valuable add-on especially if used in older pre-1980 airliners. Adds payware realism to freeware aircraft. Go here http://www.simufly.com/ins/
99.9% realized, failure codes modeling, triple mixing in 3 CDU installations, DME updating, pre-configured panel.cfg's for some aircraft, nicely done installation instructions and a freindly helpful forum there.
99.9% realized, failure codes modeling, triple mixing in 3 CDU installations, DME updating, pre-configured panel.cfg's for some aircraft, nicely done installation instructions and a freindly helpful forum there.
