This is a CD 411 pages covering the Century II IIB and III series auto-plilots, includes trouble shooting and model specific tests. These manuals are probably. This manual contains general information on the operation of the Century IIB Autopilot. Specific FAA Approved information on special techniques, limitations and emergency procedures of a particular model airplane are contained in either an Airplane Flight Manual Supplement or a Limitations Placard. Be sure and familiarize yourself.