budd - care
- built-in power
- built-in survivability
- built-in twist
- built-in-test reliability
- built-up structure
- bulbous-nosed aircraft
- bulging
- bulk modulus
- bulk temperature
- bulk-loaded cargo
- bulkhead
- bulkhead fatigue
- bulkhead web
- bulldozing drag
- bullet fairing
- bulletproof material
- bulletproof windscreen
- bump
- bump absorption capability
- bump amplitude
