| Abbreviation | Definition |
|---|---|
| BCF | Bromochorodifluoromethane |
| BCIA | Beijing Capital International Airport |
| BCMA | Bartow County Model Aviation |
| BCU | Brake Control Unit |
| BDA | Backdrive Actuator |
| BDA | Bespoke Distribution Aviation |
| BDAC | Boscombe Down Aviation Collection |
| BDCA | Bermuda Department of Civil Aviation |
| BDCO | Boeing Commercial Airplanes Delegated Compliance Organization |
| BDS | BeiDou Navigation Satellite System |
| BDSF | BEDEK Special freighter. A Boeing Passenger to Cargo Conversion airplane |
| BDY | Body |
| BEA | British European Airways |
| BEAC | British European Airways Corporation |
| BEM | Basic Empty Mass |
| BER | Beyond Economical Repair |
| BFCS | Back-up Flight Control System |
| BFE | Buyer-Furnished Equipment |
| BFR | Biannual Flight Review |
| BIA | Banjul International Airport |