Airport design software supports pavement design and pay reductions for airport pavement projects. Available software include FAARFIELD, COMFAA, COMPSYS, and other programs.

Question about Design Software?

Airport Pavement Design
Software
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Description/Instructions Date
Flexible Pavement Design (MS Excel) Flexible Pavement Design Manual (PDF) (Updated 7/16/2002) Updated 10/31/2005
Rigid Pavement Design (MS Excel) Rigid Pavement Design Manual (PDF) (Updated 7/16/2002) Updated 4/30/2004
Layered Elastic Pavement Design Version 1.3 (ZIP) Layered elastic design software discussed in Chapter 7 of AC 150/5320-6, Airport Pavement Design and Evaluation. Software updated in June 2004 to include new commercial aircraft models and many general aviation aircraft. Updated 7/26/2004
FAARFIELD 1.302 (3/20/2009) FAARFIELD 1.302 replaced the previous version that accompanied Draft AC 150/5320-6E. The FAARFIELD program became the FAA standard for airfield pavement design upon publication of AC 150/5320-6E, which required the use of the FAARFIELD program.  
COMFAA 2.0
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COMFAA, as introduced in version A of AC 150/5335-5, is capable of calculating Aircraft Classifications Numbers in accordance with the International Civil Aviation Organization (ICAO) procedure.  
COMFAA 3.0 (Updated 8/27/2014)
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COMFAA 3.0, as introduced in version B of AC 150/5335-5, is the recommended method to determine airport runway, taxiway, and apron pavement strength with the Aircraft Classification Number - Pavement Classification Number (ACN-PCN) method. The software is capable of calculating Aircraft Classifications Numbers in accordance with the International Civil Aviation Organization (ICAO) procedure. August 2011
PAY REDUCTIONS FOR AIRPORT PAVEMENT PROJECTS
Software
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Description/Instructions Date
Asphaltic Concrete - Payment Adjustment for Densities and Air Voids, Item P-401 (MS Excel) The pay equations in this spreadsheet are consistent with the percent within specification limits (PWL) based pay adjusments in Item P-401 as published in versions B and higher of AC 150/5370-10 but are not valid for previous versions of Item P-401. Updated 2/4/2008
Asphaltic Concrete - Payment Adjustment for Densities and Air Voids, Item P-401SP (MS Excel) This spreadsheet is consistent with Item P-401SP as published in Engineering Brief #59A. Updated 3/30/2007
PCC Pavement - Payment Factor for Strength and Thickness, Item P-501 (MS Excel)

The pay equations in this spreadsheet are valid for versions of Item P-501 published in versions C and higher of AC 150/5370-10.

*Update fixes spreadsheet error that occurred when number of lots exceeded 102.

Updated 10/30/2009*
RELATED PAVEMENT AND AIRPORT DESIGN SOFTWARE
Software
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Description/Instructions Date
3D Airspace Analysis Program (3DAAP) Version 5.0 9/19/2006
Backcalculation Software (BAKFAA) For backcalculating FWD data and computing airport pavement load responses by layered elastic analysis. Use with AC 150/5370-11, Use of Nondestructive Testing Devices in the Evaluation of Airport Pavements. Version 2.0. 5/2012
COMPSYS 21 Geodetic Calculations Windows-based software includes calculations for Forward, Inverse, Segment/Segment, Bearing/Bearing, Segment Distance, Circle Bearing, Circle/Circle, Segment Bearing, and Airport Reference Point.  
Geodetic Calculator (ZIP) Updated version of GEO83.  
Runway Friction Data Evaluation Program (ZIP) New Version 4.1A  
ADDITIONAL SOURCES
Software
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Description/Instructions Date
FAA Airport Technology R&D Branch Software
Airport Pavement Roughness Criteria