FAARFIELD (FAA)
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.
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.
Rubric Scorecard
| 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
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
| Format | Direction | Support |
|---|---|---|
| XML | both | unknown |
Sources
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