| Abbreviation | Definition |
|---|---|
| CPL | Continuous Parameter Logging |
| CPM | Crash Protection Memory |
| CRAIC | China-Russia Commercial Aircraft International Co., Ltd. |
| CRC | Cyclic Redundancy Check |
| CRES | Corrosion Resistant Steel |
| CRN | Current Return Network |
| CRS | Certificate Release to Service |
| CRS | Compliance Record System |
| CRU | Cargo Refrigeration Unit |
| CSFL | Continued Safe Flight and Landing |
| CSIA | Chengdu Shuangliu International Airport |
| CSM | Controller Server Module |
| CSM-FSM | Controller Server Module - Filer Server Module |
| CSR | Cycles Since Repair |
| CSS | Cabin Services System |
| CSS | Call Sign Similarity |
| CSSC | Cabin Services System Controller |
| CS-STAN | Certification Specifications for Standard Changes and Standard Repairs |
| CSTI | Company Service Technical Instruction |
| CTIA | Cape Town International Airport |