optionally piloted vehicle

== English == === Noun === optionally piloted vehicle (plural optionally piloted vehicles) (US, military, aviation) An aircraft that may be manned or unmanned, able to function in either mode without modification. Alternative form: OPV (initialism) Hypernyms: aircraft < vehicle Coordinate terms: UAV, UAS; drone (sometimes hypernymous); RPV ==== Usage notes ==== OPVs are typically remotely piloted when in unmanned mode.