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.
National Policy and Guidance
Advisory Circulars (ACs)
Airports GIS & Electronic Airport Layout Plan (eALP)
Data, Tools, & Resources
Guidance & Policy
Publications & Forms
Research & Development
Related Information on Non-FAA Sites
Page Last Modified: 08/01/12 13:51 EDT