| Abbreviation | Definition |
|---|---|
| RCQS | Taitung-Chihhong, Taiwan |
| RCRA | Tsoying, Taiwan |
| RCSC | Fuwei, Taiwan |
| RCSM | Sun Moon Lake, Taiwan |
| RCSQ | Pingtung North, Taiwan |
| RCSS | Taipei-Sung Shan, Taiwan |
| RCTP | Taipei Chiang Kai Shek, Taiwan |
| RCU | Rio Cuarto, CD, Argentina |
| RCUK | Parquei, Taiwan |
| RCWA | Wonan, Taiwan |
| RCWK | Hsin Chu, Taiwan |
| RCXY | Kueijen, Taiwan |
| RCY | Rum Cay, Bahamas |
| RCYU | Hualien, Taiwan |
| RDA | Rockhampton Downs, Northern Territory, Australia |
| RDB | Red Dog, Alaska USA |
| RDC | Redencao, PA, Brazil |
| RDD | Redding, California USA |
| RDE | Merdey, Indonesia |
| RDG | Reading Regional Airport, Reading, Pennsylvania USA |