| Abbreviation | Definition |
|---|---|
| RT1 | dio Technician 1st Class Petty Officer |
| RT1 | Radio Technician 1st Class Petty Officer |
| RT2 | dio Technician |
| RT2 | Radio Technician |
| RT3 | dio Technician |
| RT3 | Radio Technician |
| RTN | Royal Thai Navy |
| RTSR1 | dio Technician (ship Repair) 1st Class Petty Officer |
| RTSR1 | Radio Technician (ship Repair) 1st Class Petty Officer |
| RTSR2 | dio Technician (ship Repair) 2nd Class Petty Officer |
| RTSR2 | Radio Technician (ship Repair) 2nd Class Petty Officer |
| RTSR3 | dio Technician (ship Repair) 3rd Class Petty Officer |
| RTSR3 | Radio Technician (ship Repair) 3rd Class Petty Officer |
| S1 | aman 1st Class |
| S1 | Seaman 1st Class |
| S2 | aman 2nd Class |
| S2 | Seaman 2nd Class |
| S3 | aman 3rd Class |
| S3 | Seaman 3rd Class |
| SA | aman Apprentice |