in-o - Inst
- in-orbit resupply
- in-orbit satellite
- in-service aircraft
- in-service environment
- in-service state
- in-the-clear
- in-wing mounted engine
- inaccuracy
- inaccuracy of measurements
- inaccuracy of measuring instrument
- inaccurate
- inactive status
- inadequacy
- inadequate
- inadvertent change
- inadvertent deviation
- inadvertent gear retraction
- inadvertently rertacted landing gear
- inagural flight
- inapt
