| 1 | back course | BC |
|---|---|---|
| 2 | Belgian Civil Aviation Authority | BCAA |
| 3 | bottom dead centre[1] | BDC |
| 4 | balanced field length | BFL |
| 5 | brake horsepower[1] | BHP |
| 6 | Built-In Test Equipment | BITE |
| 7 | Butt Line | BL |
| 8 | Bridge Mounted Equipment | BME |
| 9 | Blue Print | B/P |
| 10 | bypass ratio | BPR |
| 11 | bill of material | BOM |
| 12 | Brake-to-Vacate System | BTV |
| 13 | bird watch condition | BWC |
| 14 | Barely Visible Impact Damage | BVID |
| 15 | Beyond Visual Range | BVR |