Vessel

YT-804 NAVY TUG

YT-804 NAVY TUG is a vessel (MMSI 502999804). Its last AIS position was reported on 11 Oct 2026 at 06:13 UTC in Port of Yokosuka Ko.

Last position

Position35.29° N, 139.66° EIn Port of Yokosuka Ko
Reported06:13 UTC11 Oct 2026
Speed0.1 kn
Course339°

Position of MMSI 502999804, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameYT-804 NAVY TUG
IMO number–
MMSI502999804
Call sign–
TypeNot given
Flag–
Length × beam–
Highest reported draught–
Estimated deadweight–
Destination as broadcast–
Seen in AIS11 Oct 2026 – 11 Oct 2026 (last 30 days)

Port calls

No port calls detected in the last 60 days.

YT-804 NAVY TUG in the API

The full track, every port call and the live position of YT-804 NAVY TUG 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/502999804/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/502999804/port-calls?from=2026-10-10"

Sources

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.