- buffer
- buffer contact
- buffer gear
- buffer stroke
- buffet car
- bulk cargo
- bumpkin
- buckled wheel
- buffer head
- buffer rod
- building berth
- buoy rope
- burgee
- buried loop
- braking surface
- breaking strain
- bridge depot
- bridge monkey
- bridletrack
- broach
- broach to
- Budget deficit
- brace
- Brain drain
- brake beam
- brake disk
- brake effect
- brake flange
- brake pitch
- brake van
- braking distance
- braking fading
- braking power
- braking risistanc3
- branch crossing
- branch line
- bridge survey
- bridle
- buffer beam
- buffer length
- bulk carrier
- bulk goods
- bunk
- buoyancy
- bus bay
- bus lane
- business
- business aircraft
- buckling resistance
- buffer shoulder
- buffer stop
- buffer time
- buffet coach
- building slip
- bulk handling
- bulwark
- bunker
- buoy
- buoyancy tank
- business traffic
- busy crossing
- butane carrier
- button rope
- by procuration
- bypass ratio
- cabin
- cabin altitude
- cabin conveyer
- cable clinch
- calibration ring
- cancellation charges
- canted plate
- by rail
- by water
- cabin altimeter
- cableway
- calibration module
- cambered deck
- capacity
- capacity plan
- capital good
- bypass road
- cab
- cable ferry
- cable length
- cable locker
- cam contour
- can body
- cable transfer
- cable weight
- caboose
- calibration flight
- calibration pressure
- cam cleat
- cam follower
- camel
- canal entrance
- canal transport
- cane car
- cant