Downloading IGIplan 1.5.2 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. IGIplan.exe is the most frequent filename for this program's installer.
We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. IGIplan is included in Photo & Graphics Tools. This software is an intellectual property of IGImbH. The most popular versions among the software users are 1.5, 1.4 and 1.0.
From the developer:
IGIplan is an advanced mission planning program that supports over 600 local coordinate systems and all aerial cameras and sensors. It also offers advanced DTM support (automatic leveling, automatic exposure frequency, live GSD classification), and you can import and export Google Earth KML files.
You may want to check out more software, such as Win4D Advance, Abalone or Quikframe XP, which might be related to IGIplan.