You could have downloaded ATPL Piston Engines 1.1 from our software library for free. This PC program can be installed on Windows Vista/7/8/10/11 environment, 32-bit version. The most popular version among the program users is 1.1. The common filename for the program's installer is PE-menu.exe. ATPL Piston Engines lies within Education Tools, more precisely Teaching Tools. This software was originally created by OAAmedia.
From the developer:
ATPL Piston Engines will teach you piston engine theory up to the standard required for the Air Transport Pilot's Licence theoretical knowledge examination. The course also includes EASA ATPL style tests which will give you the maximum possible assistance in preparing for the written examination. If you are a general aviation pilot, Piston Engines will teach you every aspect of your engine's operation far beyond the level of the PPL examination.
You may want to check out more software, such as Virtual Engine Calculator, Engineering Power Tools Plus Edition or FRED Optical Engineering Software, which might be similar to ATPL Piston Engines.