Of course you need to join RTCA, or go to the main store entry and purchase the documents you are interested in. We are or were members. I didn't check the site link to see. Al Christians wrote: > Glenn Booker wrote: > > > > As far as I've seen, DO-178 is only specified on a contract-by-contract basis, for both FAA and DoD avionics projects. > > > > For those who want to get a copy of DO-178B, it's available from: > > > > http://www.rtca.org/store/product.asp?dept%5Fid=1&sku=082 > > > > That link is another great example of incredible software, if > it only wasn't so common. It says 'Welcome', and asks me if > I'm in North America. I mark 'in North America' and click on > 'Continue'. It asks 'Are you a member?'. I mark 'No' and click > on 'Continue'. It says 'Welcome', and asks me if I'm in North > America. I mark 'in North America' and click on 'Continue'. > It asks 'Are you a member?'. I mark 'No' and click on 'Continue'. > It says 'Welcome', and asks me if I'm in North America. I mark > 'in North America' and click on 'Continue'. It asks 'Are you a > member?'. I mark 'No' and click on 'Continue'. It says 'Welcome', > and asks me if I'm in North America. I mark 'in North America' > and click on 'Continue'. It asks 'Are you a member?'. I mark > 'No' and click on 'Continue'. It says 'Welcome', and asks me if > I'm in North America. I mark 'in North America' and click on > 'Continue'. It asks 'Are you a member?'. I mark 'No' and click > on 'Continue'. It says 'Welcome', and asks me if I'm in North > America. I mark 'in North America' and click on 'Continue'. It > asks 'Are you a member?'. I mark 'No' and click on 'Continue' ... > > Fortunately, I catch on quickly and know when to stop. > > Al