 Federal Transit Administration | Government |
| Fault Tree Analysis | Technology |
| Free Trade Agreement | Military |
| Fiat-Allis | Organizations |
| Flight Test Article | Science |
| Fluorescent Treponemal Antibody | Medical |
| Free-to-Air | Technology |
| Failure to Appear | Government |
| Fatigue Test Article | Science |
| Field Termination Assembly | Technology |
| Financiele Termijnmarket Amsterdam | Business |
| Flexographic Technical Association | Common |
| Floptical Technology Association | Technology |
| Free Throws Attempted | Common |
| Freight Transport Association | Technology |
| Fun Travel Adventure | Chat and Slang |
| Facility Technical Authority | Science |
| Faecal Tryptic Activity | Medical |
| Farnesylthioacetic Acid | Medical |
| Fast Time Analysis | Military |