Armada Tuah 21 (Hull No. NC521)
| Port of Registry | : | Port Klang |
| Flag | : | Malaysian |
| Classification | : | ABS Class, A1, +AMS (E), FIFI 1, Towing Vessel |
| Owner | : | Bumi Armada Navigation Sdn Bhd |
| Year Built | : | 2005 |
| Type of Vessel | : | 59M, Anchor Handling/ Offshore Support Vessel |