MAO YUN 998 (IMO 1139652)
MAO YUN 998 is a General Cargo Ship built in 2008 and flying the Sao Tome and Principe flag, placing it in its 18th year of service. The vessel reports a deadweight tonnage of 5,037 metric tonnes and a gross tonnage of 2,982. This size and type suggest its utility in regional cargo transport and feeder operations. MAO YUN 998 is classed by Zianlian Chuen. The vessel has been observed in South East Asia, the Malacca Strait and Singapore Strait, and East Asia. It has previously operated under three different flag states and has been known by two former names. Over the last 36 months it has had 1 port state control (PSC) inspection and no detentions. The most recent inspection was on 26 January 2026.
- Type: General Cargo Ship
- Flag: Tanzania
- Year built: 2008
- MMSI: 677062700
- Call sign: 5IM727
- Gross tonnage: 2982
- Deadweight: 5037 t
- Port State Control (PSC) inspections: 1 since 2026
- PSC detentions in the last 36 months: 0
- Last PSC inspection: 26/01/2026
- Registered owner · Ship manager: WENG JJ (China)
- ISM manager: ACM MARINE SDN BHD (Malaysia)
- Last AIS position: 10°2.3′N · 098°36.9′E · received 14 September 2026 at 02:28 UTC
- Destination: To be nominated
Frequently asked questions
What is the vessel type and age of MAO YUN 998?
MAO YUN 998 is a General Cargo Ship. It was built in 2008 and is currently in its 18th year of service.
What are the tonnage specifications for MAO YUN 998?
The vessel has a deadweight tonnage of 5,037 metric tonnes. Its gross tonnage is recorded at 2,982.
Which classification society manages MAO YUN 998?
The vessel is classed by Zianlian Chuen. Its current classification status is listed as Delivered.
Where has MAO YUN 998 been recently observed?
The vessel has been observed in South East Asia and East Asia. It has also been tracked moving through the Malacca Strait and Singapore Strait.
What is the PSC inspection history for this vessel?
Over the last 36 months it has had 1 port state control (PSC) inspection and no detentions, with 7 deficiencies recorded. The most recent inspection was on 26 January 2026. All-time records show 1 inspection since 2026 and no detentions.
Live AIS via Rynda — combined with classification, PSC, sanctions and ownership data.