| 1 | B3 | Beliview Airlines Ltd. | ICAO: BLV, Callsign: Bellview Airlines, IATA Prefix: 208, IATA designator changed to B3 | WAN | AVCODES |
| 2 | B3 | Ambassador Airways | ICAO: AMY, Callsign: Ambassador, Ceased operations on 28 November 1994. | GB | AVCODES |
| 3 | B3 | Beliview Airlines Limited | ICAO: BLV, Callsign: Bellview Airlines, IATA Prefix: 208, Ceased operations. IATA designator changed from B3* | WAN | AVCODES |
| 4 | B3 | Tashi Air Private Ltd. t/a Bhutan Airlines | ICAO: BTN, Callsign: Bhutan Air, IATA Prefix: 786, | BTN | AVCODES |
