perf - pitc
- perfect combustion
- perfect fluid
- perfect gas
- perfect sphere
- perfect-gas aerodynamics
- perfluorate
- perfluoride grease
- perfluoro-N-fluoropiperidine
- perfluorocarbon
- perfluorocarbon lube oil
- perfluorocyclopropene
- perfluorohydrocarbon
- perforate lining
- perforated air brakes
- perforated flap
- perforated grain
- perforated shield
- perforated-inlet diffuser
- perforated-wall working section
- perforation
- perform acrobatics
- perform the checklist
- perform theintercept
- performance
- performance aircraft
- performance boosting
- performance buildup
- performance calculation
- performance capability
- performance category
- performance characteristics
- performance curve
- performance data
- performance depreciation
- performance envelope
- performance equation
- performance evaluation
- performance expansion
- performance exploration
- performance figures
