B
- back beam
- back course
- backtrack
- baffle
- baffle plate
- bag tag
- bag valve mask
- baggage
- baggage allowance
- baggage claim area
- baggage compartment
- baggage tag
- balance
- balance arm
- balked landing
- balked landing surface
- ballast
- ballast bag
- ballonet
- ballonet balloon
- balloon
- balloon flying cable
- ballooning
- bank
- bank angle
- barometric altimeter
- barometric fuel control
- barometric pressure
- barometric pressure control
- barotitis
- barrage balloon
- barrel roll
- barrette
- base leg
- base turn
- basic empty mass
- basic empty weight
- basic mass
- basic operating weight
- basic weight
- basket
- baulked landing
- beam approach beacon system
- Beaufort scale
- Beaufort wind scale
- belly flop
- belly landing
- bending moment
- best-angle-of-climb speed
- best angle of climb speed
- best rate of climb angle
- bilateral air service agreement
- bilateral regulation
- biosphere
- biplace
- biplane
- bird impact
- bird strike
- bizjet
- black box
- blade
- blade angle
- blade control arm
- blade delamination
- blade hub
- blade pitch angle
- blade root
- blade shank
- blade span
- blade stall
- blade trailing edge
- bleed
- bleed-air valve
- bleed adjustment
- bleed air
- blended wing body
- blind landing
- block-to-block time
- block to block time
- blowdown turbine
- blowing
- blunt trauma
- boarding gate
- boarding pass
- boarding point
- boat seaplane
- bomb
- bomb threat
- boost control
- boost control override
- borescope
- bottom dead center
- bounced landing
- boundary layer
- boundary marker
- bow
- bowser
- brake
- brake horsepower
- brake release (point)
- braking action
- bravo
- breaking load
- broadcast
- broken
- buffeting
- bulk cargo
- bulkhead
- bumpiness
- buoyancy
- business aviation
- business class
- business jet
- butterfly valve
- by-pass valve
- bypass ratio