B
- back beam
- back course
- background check
- baffle
- baffle plate
- bag valve mask
- baggage
- baggage allowance
- baggage claim area
- baggage compartment
- balked landing
- balked landing surface
- ballonet
- balloon
- bank angle
- bare Earth
- barrage ballon
- barrel roll
- barrette
- base leg
- base turn
- basic empty weight
- basic instrument flight trainer
- basic weight
- basket
- beacon
- bearing
- Beaufort scale
- becquerel
- before-takeoff checklist
- belly flop
- bending moment
- best angle of climb speed
- bilateral air service agreement
- bilateral regulation
- biosphere
- biplace
- biplane
- bird strike
- black box
- blade
- blade angle
- blade root
- blade span
- blade stall
- blade twist
- bleed
- bleed air
- blended wing body
- blind landing
- blind transmission
- blunt trauma
- boarding gate
- boarding pass
- boarding point
- bomb
- bomb threat
- border integrity
- borescope
- bounced landing
- boundary
- boundary layer
- boundary marker
- brake
- braking action
- bravo
- briefing
- broadcast
- broken
- buffer zones
- buffeting
- bulkhead
- buoyancy
- business aviation
- business class
- business jet
- butterfly valve
- by-pass valve
- bypass ratio