| Acronym | Meaning |
| IFR | Instrument Flight Rules |
| FB | Blanketing Frequency |
| FEST | Fronts Experiment Systems Test |
| SDBE | Shear-Directed Balloon Experiment |
| PBL | Planetary Boundary Layer |
| FTOS | FGGE Tropical Observing System |
| ALT/RA | Altimeter/Radar Altimeter |
| SWS | Solar Weather Seminar |
| JSC | Joint Scientific Committee |
| AEOS | Analytic Equation-of-state |