| Acronym | Meaning |
| IL | Illinois (postal Symbol) - Israel (ISO 3166 Digram) |
| HG | Mercury (Latin Hydrargyrum) |
| LCD | Liquid Crystal Display |
| EUR | Euro (ISO 4217 Currency Code) |
| API | Application Programming Interface |
| FSCL | Fire Support Co-ordination Line |
| WOS | Wilson Ornithological Society |
| RPR | FOM - Realtime Platform Reference Federation Object Model (reaper Fomm) |
| SAAFR | Standard Use Army Aircraft Flight Route (safer) |
| TBBPA | TetraBromoBisPhenol-A |