

Aviation Terms
| Title | Description |
| Z | Zulu |
| Zero Fuel Weight | The sum of operating weight empty and payload, i.e. the laden weight of an aircraft, excluding any usable fuel. |
| Zone of Confusion (ZOC) | A circular area centered at a TACAN (Tactical Air Navigation) station in which bearing is extremely noisy. Also known as the Zone of Ambiguity. |
| Zulu | Greenwich Mean Time (GMT) and Universal Time (UT). The world is divided into 24 time zones, each with a letter. Greenwich, England is standard for international aviation reference - "Z". Zulu time is actually the time at The Royal Observatory, in Greenwich, England. |







