| Acronym | Meaning |
 | ALAP | As Low As Possible |
| HIMSS | High Resolution Microwave Spectrometer Sounder |
| ACARS | ARINC Communication |
| FWS | Fish And Wildlife Service |
| APT | Alliance For Photonic Technology |
| FHSA | Federal Hazardous Substances Act |
| DFDR | Digital Flight Data Recorder |
| CALTECH | California Institute Of Technology |
| ICE | Intercomparison Experiment |
| DLPDU | Data Link Protocol Data Unit |
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