Military vessel
NB257
NB257 is a military vessel (MMSI 400000085). Its last AIS position was reported on 16 Oct 2026 at 11:00 UTC in Port of Tuzla, bound for SEA TRAIL.
Last position
Status: Under way using engine · Destination as broadcast: SEA TRAIL · ETA as broadcast: 19 Mar 2027, 02:18 UTC
Position of MMSI 400000085, rounded to 0.01°; see the exact live position and the last 3 days on the live map.
Vessel details
| Name | NB257 |
|---|---|
| IMO number | – |
| MMSI | 400000085 |
| Call sign | NB257 |
| Type | Military |
| Flag | – |
| Length × beam | – |
| Highest reported draught | 2.2 m (last 30 days) |
| Estimated deadweight | – |
| Destination as broadcast | SEA TRAIL |
| Seen in AIS | 16 Oct 2026 – 16 Oct 2026 (last 30 days) |
Port calls
No port calls detected in the last 60 days.
NB257 in the API
The full track, every port call and the live position of NB257 are available through the AIS Trail API. A free key covers the last 7 days of history; paid plans cover the last 12 months, and Pro and Business add live positions.
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
"https://api.aistrail.com/v1/vessels/400000085/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
"https://api.aistrail.com/v1/vessels/400000085/port-calls?from=2026-10-10"Sources
- Open Waters AIS (https://openwaters.io/ais/), with each event's own source credit (mostly AISHub (https://www.aishub.net) and aisstream.io). Per-event source licence; not merged
Flags come from the MMSI country code, deadweight and size class are estimates from AIS dimensions, port calls are detected by AIS Trail from position reports. All sources and licences: Data sources.
Not for navigation. AIS data can be missing, delayed or wrong; do not use it for navigation, collision avoidance, search and rescue or any other safety-of-life purpose.
