Federal Aviation Administration

Engineering, Design, and Construction

Northwest Mountain Region

Data Conversion Utilities

  • Common Slope Angle Conversions - This chart shows a number of slopes related to airport design and airspace.  Slopes are shown as ratio, percent, and degree.
  • Angle converter (MS Excel) - This spreadsheet can be used to convert any angle expressed in one form, for example percent, to the same angle expressed in different units, such as degrees.
  • Vertical Datum converter - This web site provides a means for converting between vertical datums.

Related Information

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National Policy and Guidance

Page Last Modified: 08/01/12 13:51 EDT

This page can be viewed online at: http://www.faa.gov/airports/northwest_mountain/engineering/