igni - infr
- increase gear
- increasing system of rifling
- increment
- increment theory
- incremental extension of flaps
- incremental maneuver
- incrustation
- incursion
- indefinite delay
- indent roller
- indenture
- independent component
- independent deterrent
- independent military air transport association
- independent missile system
- independent nuclear capability
- independent nuclear forces
- independent power supply
- independent suspension
- independent verification and validation
- independently targetable warhead
- indeterminate structure
- index
- index correction
- index error
- index mirror
- index of a mine
- index plate
- indexing device
- indian commercial pilots association
- indicated air temperature
- indicated airspeed
- indicated altitude
- indicated horsepower
- indicated pressure
- indicated stalling air speed
- indicating depth gage
- indicating device
- indicating instrument
- indicating lamp
