Aviation and air traffic control terminology · MLC-0104
Aviation and air traffic control terms: B (18)
- B4UFLYA free downloadable application, which allows operators to check airspace and local advisories before flying.
- Back-taxiA term used by air traffic controllers to taxi an aircraft on the runway opposite to the traffic flow. The...
- Base leg, see Traffic pattern
- Beacon, see Aeronautical beacon; Airport rotating beacon; Airway beacon; Marker beacon; Nondirectional beacon; Radar
- BearingThe horizontal direction to or from any point, usually measured clockwise from true north, magnetic north, or...
- Below minimumsWeather conditions below the minimums prescribed by regulation for the particular action involved; e.g...
- Beyond visual line of sight (BVLOS)The operation of a UAS beyond the visual capability of the flight crew members (i.e., remote pilot in command...
- Blast fenceA barrier that is used to divert or dissipate jet or propeller blast.
- Blast padA surface adjacent to the ends of a runway provided to reduce the erosive effect of jet blast and propeller...
- Blind speedThe rate of departure or closing of a target relative to the radar antenna at which cancellation of the...
- Blind spotAn area from which radio transmissions and/or radar echoes cannot be received. The term is also used to...
- Blind transmission, see Transmitting in the blind
- Blind velocity [ICAO]The radial velocity of a moving target such that the target is not seen on primary radars fitted with certain...
- Blind zone, see Blind spot
- BlockedPhraseology used to indicate that a radio transmission has been distorted or interrupted due to multiple...
- Bottom altitudeIn reference to published altitude restrictions on a STAR or STAR runway transition, the lowest altitude...
- Boundary lights, see Airport lighting
- Braking action advisoriesWhen tower controllers receive runway braking action reports which include the terms “medium," “poor," or...
- Braking action (good, good to medium, medium, medium to poor, poor, or nil)A report of conditions on the airport movement area providing a pilot with a degree/quality of braking to...
- BreakoutA technique to direct aircraft out of the approach stream. In the context of simultaneous (independent)...
- BroadcastTransmission of information for which an acknowledgement is not expected.
- Broadcast [ICAO]A transmission of information relating to air navigation that is not addressed to a specific station or...
- Buffer areaAs applied to an MVA or MIA chart, a depicted 3 NM or 5 NM radius MVA/MIA sector isolating a displayed...
- BVLOS, see Beyond visual line of sight (BVLOS)
18 of 1,122 terms in Aviation and air traffic control terminology (MLC-0104). Request the full dataset.