| Abbreviation | Definition |
|---|---|
| CAA | Civil Aviation Administration |
| CAA | Civil Aviation Authorities |
| CAA | Civil Aviation Authority |
| CAA | Commission Against Aviation |
| CAA | Contract Agency Approval |
| CAAA | Colorado Agricultural Aviation Association |
| CAAA | Colorado Agriculture Aviation Association |
| CAAB | Civil Aviation Authority Bangladesh |
| CAAB | Civil Aviation Authority of Bangladesh |
| CAAB | civil aviation authority of botswana |
| CAAB | Clement Adders Aviation Band |
| CAAC | Civil Aviation Administration of China |
| CAAF | Civil Aviation Authority of Fiji |
| CAAI | Civil Aviation Authority of Israel |
| CAAM | Civil Aviation Authority Macau |
| CAAM | Civil Aviation Authority of Malaysia |
| CAAN | Civil Aviation Authority of Nepal |
| CAAP | Civil Aviation Authority of the Philippines |
| CAAS | Civil Aviation Authority of Singapore |
| CAAS | Common Avionics Architecture System |