i suspect you didn't install it properly. Never extract zipfiles direct to the sim. I suggest you use the method in this tute. http://www.simviation.com/acinstall.htm
If the "Aircraft Container" folder is hidden inside another one it won't show up. This is a very common problem.

happs01. Those install utilities are all very clever but I strongly suggest you learn to do this properly. It's not difficult & once you understand the basics I guarantee you won't regret it.

First, make sure you have the CFS2 version of the aircraft. This should be ready to go where the FS2002 version is almost certainly different & might not even be compatible. If you still have problems you might find my Aliasing article useful. http://www.simviation.com/lair/aliasing1.htm

Quote:

The weapons go in the CFS2\SCENEDB\weapons folder. BGL files to Scenery & any BMP textures to Texture. Paste the DP files into CFS2\OBJECTS_DP.

PS. I just downloaded GZRA1Hv1.zip to check it out. It's all ready to go without modification. The A1-h folder is the one to paste into CFS2\Aircraft. There are 4 versions of the aircraft. They should be listed on the Free Flight menu as A-1H Skyraider Navy, A-1H Skyraider USAF etc. You might like to paste a copy of the file included in Prop_in_cfs2.zip to each of the 4 texture.xxxx folders.