Acronym |
Definition |
| WFBF | Want First, Buy First |
| WFD | Widespread Fatigue Damage |
| WHCS | Window Heat Control System |
| WHCU | Window Heat Control Unit |
| WIA | Weather-Impacted Airspace |
| WIA | Women in Aviation |
| WIE | With Immediate Effect |
| WIPCU | Wing Ice Protection Control Unit |
| WIPS | Wing Ice Protection System |
| WJA | Western Jet Aviation |
| WL | Water Line |
| WNAV | Whirlybird NAVigation system |
| WOSH | Wings Over Stonehenge |
| WSAM | World's Smallest Aircraft Museum |
| WSR | Weather Surveillance Radar |
| WT | WorldTracer |
| WTBF | Wing-to-Body Fairing |
| WWAS | World Wide Aviation Services |
| WWFDS | Wheel Well Fire Detection System |
| WX | Weather |
| WXR | Weather Radar |
| WXRQ | Aviation Weather ReQuest |
| X22 | Bell X-22, an American experimental tilt-fan aircraft of the 1960s. |
| XAC | Xian Aircraft Company |
| XAIC | Xi'an Aircraft Industrial Corporation |
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