Glossary of Aerospace Terms
- ZAO Zakrytoe Aktsionernoye Obshchestvo (Russian company constitution).
- zero-fuel weight MTOW minus usable fuel and other consumables, in most aircraft imposing severest stress on wing and defining limit on payload.
- zero/zero seat Ejection seat designed for use even at zero speed on ground.
- ZFW Zero-fuel weight.