PortInsight.io › Vessels › Nittan Maru No.21
Nittan Maru No.21 — IMO 9253466
Nittan Maru No.21 is a tanker of 105 metres sailing under 🇯🇵, IMO 9253466. Its most recent measured anchorage wait was 37.0 hours at Port of Yokohama.
Nittan Maru No.21 particulars
- Vessel type
- Tanker
- Length overall
- 105 m
- Flag
- 🇯🇵
- MMSI
- 431100969
- IMO number
- 9253466
Recent port calls
Port visits PortInsight recorded for Nittan Maru No.21 in monitored port zones, derived from AIS position history. Times are UTC.
| Port | Arrived | Departed | At anchor | At berth | Terminal |
|---|---|---|---|---|---|
| Port of Yokohama | 2026-10-17 | 2026-10-20 | 2.2 days | 35.4 hours | — |
| Port of Yokohama | 2026-10-16 | 2026-10-16 | — | — | — |
| Port of Yokohama | 2026-09-29 | 2026-10-03 | 2.9 days | 25.6 hours | — |
| Port of Yokohama | 2026-09-25 | 2026-09-26 | 6.2 hours | 3.8 hours | — |
| Port of Yokohama | 2026-09-19 | 2026-09-22 | 46.9 hours | 36 minutes | — |
| Port of Yokohama | 2026-09-19 | 2026-09-19 | — | — | — |
| Port of Yokohama | 2026-08-26 | 2026-08-27 | — | — | — |
| Port of Yokohama | 2026-08-24 | 2026-08-24 | — | — | — |
| Port of Yokohama | 2026-08-22 | 2026-08-23 | — | — | — |
| Port of Yokohama | 2026-08-17 | 2026-08-17 | — | — | — |
5 of these 10 calls were recorded before the exit time could be verified, so the arrival is shown but the time at anchor and at berth is left blank rather than estimated. Verified durations start 18 September 2026.
Time at anchorage recorded for Nittan Maru No.21
- Port of Yokohama — anchored 2026-10-18, stayed 37.0 hours
- Port of Yokohama in Yokohama Outer — anchored 2026-10-17, stayed 15.2 hours
- Port of Yokohama in Yokohama Outer — anchored 2026-10-16, stayed 3 minutes
Measured from the moment the vessel anchored in a monitored anchorage until it left that anchorage. It covers all anchorage time — waiting for a berth, for orders or for bunkers — not only the queue for a berth.
How this data is collected
Positions come from public AIS transponder broadcasts, matched against PortInsight's monitored port and anchorage polygons. Port calls and time at anchorage are derived from those observations, not from carrier schedules, so they reflect where the vessel actually was.