| English | Bulgarian |
| Agreement on the Establishment of a European Common Aviation Area | Многостранно споразумение за установяване на Общоевропейско авиационно пространство |
| Committee for implementation of the Regulation on common rules in the field of civil aviation and establishing a European Aviation Safety Agency | Комитет за авиационна безопасност |
| common crossing | сърце |
| common learning action | дейности по oбмяна на опит |
| common mark registering authority | орган за регистрация на общи регистрационни опознавателни знаци |
| common rail | акумулираща горивна система с високо налягане |
| common safety methods | общи методи за безопасност |
| European Common Aviation Area | Общоевропейско авиационно пространство |
| Multilateral Agreement between the European Community and its Member States, the Republic of Albania, Bosnia and Herzegovina, the Republic of Bulgaria, the Republic of Croatia, the former Yugoslav Republic of Macedonia, the Republic of Iceland, the Republic of Montenegro, the Kingdom of Norway, Romania, the Republic of Serbia and the United Nations Interim Administration Mission in Kosovo on the establishment of a European Common Aviation Area | Многостранно споразумение за установяване на Общоевропейско авиационно пространство |
