English abbreviations from yes to yf22
- YES (Yield, Energize, Sweeten)
- YESS (Youth Education Support Services)
- YET (Edson Airport)
- YETI (Youth Employment and Training Initiative)
- YEU (Eureka Aerodrome)
- YEV (Inuvik (Mike Zubko) Airport)
- YEY (Amos/Magny Airport)
- yF (Yoctofarad)
- YF-17 (Northrop F-17 Cobra Prototype fighter aircraft)
- YF-22 (Lockheed YF-22 prototype fighter aircraft)