Other
- Flight and duty Time Limitations, necessary to ensure that pilot fatigue does not endanger flight safety: See Fatigue (safety)
- Foot-lambert, a measure of luminance
- Free Talk Live, a libertarian talk-show
- Fruit of the Loom, NYSE code, an American clothing manufacturer
- Full Truckload, a standard logistics/transportation term: See Less than truckload
- Fluorescent Tube Lamp, a type of fluorescent lamp
- French The Llama, a popular phrase coined by author John Green
Read more about this topic: FTL