Aerospace Engineering Abbreviations and Acronyms

1. ILRV
   Integral Launch Ann Reentry Vehicle
2. ILRV
   Integral Launch and Reentry Vehicle
3. ILS
   Instituteument Landing System
4. ILSSE
   Integrated Life Science Shuttle Experiment
5. IMARSAT
   International Maritime Satellite
6. IMP
   Inflatable Micrometeoroid Paraglider
7. IMS
   Interplanetary Monitor Satellite
8. INLC
   Initial Launch Capability
9. INMARSAT
   International Maritime Satellite
10. INMARTSAT
    International Maritime Satellite
11. INSAT
    India Communications Satellite
12. IOBM
    In Ocean By Mistake
13. IOC
    In-Orbit Checkout Aid Calibration
14. IOF
    Initial Operational Flight
15. IP
    Instituteuctor Pilot
16. IPACS
    Integrated Power and Attitude Control System
17. IRANSAT
    Iranian Government Communications Satellite
18. IRBS
    Intermediate-Range Booster System
19. IRCFE
    Infrared Communbcations Flight Experiment
20. IRR
    Integral Rocket Ramjet

Last updated: May 24, 2020 — Total entries: 1,638