| Subject | English | Thesaurus |
| abbr., scottish | Air Despatch | AD |
| abbr. | Air Dispatch Letter Service | A.D.L.S. (авиационно-почтовая служба Углов) |
| mil., abbr. | Air Force Engineering Services Agency | AFESA |
| mil., abbr. | Air Force Engineering Services Center | AFESC |
| abbr., scottish | Air Force Engineering & Services Management Engineering Team | AFESMET (USAF) |
| abbr., scottish | Air Force Legal Services Agency | AFLSA (USAF) |
| mil., abbr. | Air Force Legal Services Center | AFLSC |
| mil., abbr. | Air Force Mortuary Services Office | AFMSO |
| abbr., scottish | Air Force Services Office | AFSO (USAF) |
| tradem., abbr. | Air Quality Services | AQS |
| abbr., scottish | Air Traffic Services | ATS |
| abbr., scottish | Air Traffic Services Organization | ATSO (USA) |
| transp., avia. | air traffic services reporting office | ARO |
| abbr., avia. | Air Traffic Services Reporting Office | ARO (vp_73) |
| abbr., scottish | Airways & Air Communications Services | AACS |
| NGO, abbr. | Association Of Air Medical Services | AAMS |
| abbr. | Cardinal Air Services Inc Fullerton Airport, Orange County California | CAS (Alex Lilo) |
| mil., abbr. | Civil Air Defense Services | CADS |
| abbr., avia., med. | Commission on Accreditation of Air Medical Services | CAAMS (С. Г. Чадов) |
| abbr. | Contract Air Services | CAS (Alex Lilo) |
| ecol. | direct air capture | direct air carbon capture technology (DAC MichaelBurov) |
| abbr., avia. | Eurocontrol Guild of Air Traffic Services | EGATS (Interex) |
| abbr. | Federal Air Navigation Service | Rosaeronavigatsia (MichaelBurov) |
| abbr., med. | High Air Flow Oxygen Enrichment mask | HAFOE (ННатальЯ) |
| abbr., mil., BrE | Joint Services Air Trooping Centre | JSATC |
| abbr., auto. | MAS AIR/FL SE | mass air flow sensor |
| abbr. | National Air Traffic Control Services | NATCS |
| abbr., scottish | Naval Air Technical Services Facility | NATSF (USA) |
| transp., abbr. | Procedures for Air Navigation Services | PANS |
| meteorol., abbr. | Procedures for Air Navigation Services Rules of the Air and Air Traffic Services | PANS-RAC |
| abbr., scottish | Services Air Cargo System | SACS (UK) |
| mil., abbr. | Special Air Services | SAS |
| abbr., scottish | Special Air Services Regiment | SASR (UK/Australia) |
