The product was split into a Basic Edition (tailored for beginners) and an Advanced Edition (targeted at hardcore simmers needing full system failure modeling and procedures).
Note: This article focuses on the historical and technical aspects of the software. Using pirated or "cracked" software is illegal and presents significant security risks. The Allure of AirSimmer A320 for FS9
The high cost of the Advanced Edition, coupled with the fact that the product had a relatively short lifespan and some initial bugs, created a perfect storm for piracy. As a result, searches for an "airsimmer a320 for fs2004 crack repacked exclusive" became, and remain, common. This refers to a hacked version of the software, often packaged (or "repacked") by a third party into a single, easy-to-install file, bypassing the need for a legitimate purchase.