|| [t]he vertical distance of a level, a point or an object considered as a point, measured from a specified datum.
- ↑ UVS International, RPAS Glossary 120821, at 3 (full-text).
Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.