Look for two new tools in the May version of TERPS. The Route tool and the Critical Area tool are 2 new features available in TERPS.

The Route tool allows you to draw airways and flyways and the Critical Area tool allows you to draw the critical area of the Glide Slope, Localizer and VOR. The Fresnel Zone component of this tool draws the critical reflection area necessary for a descending aircraft. These new TERPS features comply with the FAA 7400.2F (Air traffic Procedure for Handling Airspace Matters) and 6750.16D (Siteing Criteria for Instrument Landing Systems [ILS]). This tool is provided is provided in case you receive a presumed hazard determination from the FAA concerning Glide Slope.

We have also enhanced the "undo" button and added a Clear tool, this tool let's you choose from a pull-down menu which drawing you want to remove.