Aviation Terms
| Title | Description |
| B | Bravo |
| B Check | Aircraft maintenance check performed approximately every 3 months. This check is also usually done overnight at an airport hangar. A similar occurrence schedule applies to the B check as to the A check. B checks may be incorporated into successive A checks, ie: A-1 through A-10 complete all the B check items. |
| BAAI | Business Aviation Association for India |
| Backlog | The accumulation of yet to be filled orders for private aircraft. The backlog numbers are a good component in estimating the future strength of the aviation industry. |
| Balanced Field Length | BFL. The distance obtained by determining the decision speed (V1) at which the take-off distance and the accelerate-stop distance are equal. |
| Balloon | An unpowered lighter-than-air craft. |
| Bank | To fly an airplane with lateral slope on a turn. |
| Base | The home airfield and where the aircraft is primarily located when on the ground. |
| Basic Operating Weight | The weight of a transport aircraft, including crew, ready for flight but without its payload and fuel. |
| BBGA | British Business and General Aviation Association |
| Bernoulli Effect | The aerodynamic principle that governs the lift of an aircraft's wing. Named after the Swiss Mathematician who discovered it. |
| BFL | Balanced Field Length. The distance obtained by determining the decision speed (V1) at which the take-off distance and the accelerate-stop distance are equal. |
| BFL MTOW | Balanced Field Length when the aircraft is at its maximum take-off weight. |
| Biplane | An aeroplane with two similar-sized wings (or pairs of wings), exactly or approximately in vertical alignment. |
| BizAv | Shorthand term for Business Aviation. |
| BizJet | Shorthand term for Business Jet. Find a BizJet available for a private charter flight on the Empty Legs and Transient Aircraft pages of JetRequest.com. |
| Blimp | Non-rigid airship. Its shape is maintained by internal pressure. |
| Block Hours | A concept in which operators and brokers sell bundles of time on their private aircraft. Literally, it is the time from which the plane departs the gate to the time the plane arrives at a gate. The term derives from chocks (blocks) off to chocks on. Since chocks are only put in position at the gate, it's the gate to gate time. |
| Block Rates | The cost for a private jet charter client to purchase block hours. The per hour costs are usually less than those of a one time jet charter. |
| Borescope | An instrument, essentially a tube with a reflecting mirror and an eyepiece, used for inspecting the interior of shafts, well borings, tubing, engine clinders, etc., as to detect damage in inaccessible spaces. |
| Brake Release Weight | The weight of an aircraft at the start of a runway, just prior to brake release for take-off. This is the ramp weight minus any fuel used for taxiing. |
| Bulkhead | A dividing wall in an airplane that separates one section from another. |
| Bulkhead Seats | Seats placed immediately behind the dividing wall known as a bulkhead. |
| Business Jet | A private jet utilized by a company or executive for use on business related trips. Find Business Jets available for charter flights on the Empty Legs and Transient Aircraft pages of JetRequest.com. |
| Business Jet Charter | A private jet chartered by a company or executive for use on a business related trip. Find aircraft available for Business Jet Charter flights on the Empty Legs and Transient Aircraft pages of JetRequest.com. |
