The Library

The following documents were designed to provide a better understanding of UT and FS2004. They can be read with the free Adobe Reader.

PerformanceTuning
UT performance tuning hints and advice.

SRTMData
SRTM Water Data in Flight Simulator applications (not recommended).

UTCanadaAlaska
Ultimate Terrain Canada & Alaska
User Guide.

UTEurope
Ultimate Terrain Europe FS9 User Guide.

UTEuropeCoverage
Ultimate Terrain Europe FS9 Coverage Areas.

FS2004Landclass
Technical overview of FS2004's landclass. Geared towards UT Europe.

UTUSA
Ultimate Terrain USA
User Guide

 

Ultimate Terrain X Downloads For FSX

If you are looking for Ultimate Terrain For FS9/2004 Downloads , click here

Official Patches For Ultimate Terrain X (FSX Versions Only)

FSX Acceleration Pack Patches (All versions of UTX for FSX)

If you have installed Microsoft's FSX Acceleration Pack addon, then you can fix some issues with duplicate objects by visiting the support thread here.

 

UTX Europe for FSX

The full retail version available from Flight One is currently 1.0.

Upgrade To Version 1.1c (for version 1.0 users)
First, please read the list of issues addressed by the patch here. Then, follow the patch instructions listed here.

Upgrade To Version 1.1c (for 1.1 and 1.1b users)
If you have already upgraded to version 1.1 or 1.1b (revision b), you can upgrade to version 1.1c (revision c) by downloading and executing the smaller patch here. The smaller patch is 42mb instead of 340mb. And, it requires less preparation.

 

UTX USA for FSX

The full retail version available from Flight One is currently 1.1.

Upgrade To Version 1.1 (for version 1.0 users)
Download this file to upgrade Ultimate Terrain X USA from version 1.0 to version 1.1. Make sure you read the documentation prior to downloading and installing the patch.

Upgrade To Version 1.2 (for version 1.1 users)
Download this file to upgrade Ultimate Terrain X USA from version 1.1 to version 1.2. Make sure you read the documentation prior to downloading and installing the patch.

Upgrade To Version 1.3 (for version 1.2 users)
First, please read the list of issues addressed by the patch here. Then, follow the patch instructions listed here.

UTX Canada for FSX

The full retail version available from Flight One is currently 1.0.

Upgrade To Version 1.1b (for version 1.0 and version 1.1 users)
First, please read the list of issues addressed by the patch here. Then, follow the patch instructions listed here.