FAARFIELD (FAA)

Free Design the Building

Standard airport pavement thickness design software developed and distributed free by the U.S. Federal Aviation Administration (FAA) -- implements the FAA AC 150/5320-6G pavement design methodology using layered elastic analysis and the ACR/PCR pavement-strength reporting method; the mandatory tool for any U.S. airport pavement engineer working on FAA-funded airport projects, with companion backcalculation (BAKFAA) and runway-exit-design (REDIM) software.

Agent-hostile
3.0 /5 composite score
C1 5/5 and C4 5/5 reflect a free FAA desktop download with XML exchange, while RF2 keeps C2 1/5 because there is no public API, CLI, or scripting surface; the documented workflow is airport pavement design only.
Solid

Rubric Scorecard

How we grade →

Criterion Score Evidence
Value for the price 5/5 Free, free tier Source →
Agent Friendliness 1/5 API: none
Ease of adoption 3/5 --
Portability & lock-in 5/5 1 file formats
Interoperability 1/5 --

Pricing

ModelFree
Free tieryes
Free vieweryes
Trialyes
Free tier scopeusable
Visit FAARFIELD (FAA) →

How we verified this: we checked FAARFIELD (FAA) against its live site and an independent source — faa.gov. Nothing on this page is listed from memory. See how we grade. Verified 2026-07-18.

Evidence

File formats

FormatDirectionSupport
XML both unknown

Sources

Alternatives in Civil & Infrastructure

Cloud-based civil infrastructure BIM collaboration platform enabling real-time teamwork on road, railway, tunnel, bridge, water/sewer design. Quadri provides central model storage; Novapoint provides design tools.
3.6/5
AutoCAD/IntelliCAD-based desktop civil design suite (Carlson Civil, Survey, Hydrology, GIS) for grading, roads, lots, and hydrology. Sold as a perpetual license (Civil Suite bundle around $4,450) with optional annual maintenance and a subscription option. Scriptable via AutoLISP and .NET through its AutoCAD/IntelliCAD engine; reads/writes DWG, DGN, and LandXML.
3.6/5
AutoCAD-based civil engineering design and documentation platform for grading/surfaces, road and rail corridor modeling, pipe network hydraulics, and survey -- the civil-engineering flagship that turns conceptual InfraWorks models into construction-ready plan/profile sheets and quantity takeoffs.
3.4/5
Parametric BIM platform for advanced infrastructure design to build workflows -- extends Allplan Ultimate with integrated bridge structural analysis (AASHTO LRFD and Eurocode with national annexes), code-based reinforcement design and checking, parametric road/alignment modeling, 4D construction sequencing, and prestressing tendon modeling; supports all relevant file interfaces (IFC, BCF, LandXML, DWG, DGN, RVT, 3DM) plus Python API and Visual Scripting for automated workflows; part of the Nemetschek Group, with transparent published subscription pricing on the Allplan e-store.
3.4/5

See all FAARFIELD (FAA) alternatives → ยท Compare all Civil & Infrastructure tools →

Subscribe to Building Probable

Independent AEC + AI reviews & research, including Civil & Infrastructure coverage -- the companion newsletter to buildingtech.pro.

Subscribe to Building Probable →