These are the so-called directly supported models. Besides these 69 aircraft models there are an additional 96 models that are considered to be equivalent to one of these directly supported models. This report gives an overview of the equivalences added to BADA since the release of the previous version of BADA (2.4).
Equivalences report for the Base of Aircraft Data (BADA) Revision 2.5
The Base of Aircraft Data (BADA) provides a set of ASCII files containing performance and operating procedure coefficients for 69 different aircraft types.