(NavData). By 1996, the company introduced its massive library of aeronautical charts on —the predecessor to the modern Program and Data Disc. Modern Day:
The disc is primarily used to manage the following Jeppesen applications: jeppesen program and data disc
Furthermore, the system was fragile. Laptop hard drives in the 1990s were prone to crashing during a data load, corrupting the installation. Because the "Program" was on the same disc as the "Data," if your installation failed, you often had to reload the entire application from scratch. (NavData)