| Abbreviation | Definition |
|---|---|
| BIAAPA | Bangalore International Airport Area Planning Area |
| BIAAPA | Bengaluru International Airport Area Planning Authority |
| BIACD | Beijing Institute of Aerospace Control Devices |
| BIAL | Bengaluru International Airport Limited |
| BITD | Basic Instrument Training Device |
| BITE | Built-In Test Equipment |
| BL | Buttock Line |
| BLG | Body Landing Gear |
| BLKD | Bulkhead |
| BMC | Bleed Monitoring Computer |
| BMOD | Bill of Material Object Damage |
| BMS | Boeing Material Standard |
| BO | Burned Out |
| BOG | Board Of Governors |
| BOLD | Boeing On-Line Data System |
| BOM | Bill of Material |
| BOR | Borrow |
| BOSS | Broadband Offboard Satellite System |
| BOT | Bottom |
| BOW | Basic Operational Weight |