| Subject | English | Thesaurus |
| mil., abbr. | Co-Pilot | CP |
| avia., Canada | co-pilot | A licensed pilot assigned to duty as a pilot in an aircraft during flight time, other than as (a) a pilot-in-command; or (b) a pilot receiving flying instruction |
| abbr., scottish | Co-Pilot / Gunner | CPG |
| abbr., scottish | Electronic Combat/Co Pilot | ECP |
| abbr., scottish | Flight-Screening Program & Under-graduate Pilot Training | FSP/UPT (USAF) |
| abbr., scottish | Joint Jet-Pilot Training Programme | JJPTP |
| abbr., scottish | Junior Officer Pilot | JOP (UK Royal Air Force) |
| abbr., scottish | Learning System Pilot Aiding programme | LSPA (USAF) |
| abbr., scottish | Pilot Indoctrination Programme | PIP |
| R&D. | pilot projects | experimental groundwork (MichaelBurov) |
| st.exch., abbr. | Urban Pilot Programme | UPP |
| USA | Visa Waiver Pilot Program | VWPP |
