| Name of Tug | Sriracha 21 |
| License Number | 4900-01579 |
| Gross Tonnage | 258.00 T. |
| Net Tonnage | 63.00 T. |
| Length Overall | 32.00 M. |
| Breadth | 8.80 M. |
| Depth | 3.80 M. |
| Speed | 11.0 Knots |
| Main Engine | Niigata 6L28BXE 1,750ps X 2 = 3,500ps |
| Aux Engine | Yanmar 6HAL-N 150ps X 3 |
| Generator | Taiyo 120 KVA, 250 V. 3 P 60 Hz |
| Propulsion | Niigata ZP-IA X 2 |
| Fire Fighting | Daichi CP150-50 |
| Communication | GMDSS A+2 |
| Call sign MMSI | HSB 3423 567 000 880 |