When the pilot is unable to effect control of the aircraft and, as a result, the UA is not operating in a predictable or planned manner.
Source FAA Pilot/Controller Glossary · checked 2026-08-25
When the pilot is unable to effect control of the aircraft and, as a result, the UA is not operating in a predictable or planned manner.
Source FAA Pilot/Controller Glossary · checked 2026-08-25