B
- baffle
- baffle plate
- bag tag
- bag valve mask
- baggage
- baggage allowance
- baggage claim area
- baggage compartment
- balance
- balked landing
- ballast
- ballast bag
- ballonet
- ballonet balloon
- balloon
- balloon-sonde
- ballooning
- balsa wood
- bank
- bank angle
- bank fog
- barometric altimeter
- barometric pressure
- barometric ridge
- barotitis
- barrage balloon
- barrel roll
- barrette
- base leg
- base turn
- basic empty mass
- basic empty weight
- basic mass
- basic operating weight
- basic weight
- basket
- bearing
- Beaufort scale
- Beaufort wind scale
- belly flop
- belly landing
- belt loader
- bending moment
- best rate of climb angle
- best rate of climb speed
- bilateral air service agreement
- bilateral regulation
- biosphere
- biplace
- biplane
- bird strike
- black box
- blade
- blade angle
- blade hub
- blade root
- blade shank
- blade span
- blade span axis
- blade stall
- bleed
- bleed-air valve
- bleed adjustment
- bleed air
- blimp
- blisk (turbine engine component)
- blizzard
- block-to-block time
- block to block time
- blowing
- blunt trauma
- boarding gate
- boarding pass
- boarding point
- boat seaplane
- bomb
- bomb threat
- bonnet
- borescope
- bottom center
- bottom dead center
- bounced landing
- boundary
- boundary-layer separation
- boundary layer
- boundary layer control
- boundary marker
- bow
- bowser
- box spar
- brake
- brake parachute
- brake release (point)
- braking action
- bravo
- break of journey
- breaking
- breaking load
- briefing
- broadcast
- broken
- buffer areas
- buffeting
- bulk cargo
- bulkhead
- buoyancy
- burner
- business aviation
- business class
- business jet
- butterfly valve
- by-pass valve
- bypass ratio
- bypass relief valve
- bypass valve