Port tender · Flag US
CHIEF ARROW
CHIEF ARROW is a port tender (MMSI 338010000, flag US). Its last AIS position was reported on 12 Oct 2026 at 23:11 UTC in Port of Anacortes, bound for PUGET SOUND OPS. AIS Trail recorded 1 port call in the last 60 days, most recently at Anacortes.
Last position
Status: Under way using engine · Destination as broadcast: PUGET SOUND OPS
Position of MMSI 338010000, rounded to 0.01°; see the exact live position and the last 3 days on the live map.
Vessel details
| Name | CHIEF ARROW |
|---|---|
| IMO number | – |
| MMSI | 338010000 |
| Call sign | WDI3730 |
| Type | Port tender |
| Flag | US (from the MMSI country code) |
| Length × beam | 23 m × 6 m |
| Highest reported draught | 1.5 m (last 30 days) |
| Estimated deadweight | – |
| Destination as broadcast | PUGET SOUND OPS |
| Seen in AIS | 12 Oct 2026 – 12 Oct 2026 (last 30 days) |
Port calls
Port calls detected by AIS Trail in the last 60 days, newest first.
| Port | Arrived (UTC) | Departed (UTC) | Time in port |
|---|---|---|---|
| Anacortes USOTS | 12 Oct 2026, 15:38 UTC | 12 Oct 2026, 23:11 UTC | 7 h 33 min |
CHIEF ARROW in the API
The full track, every port call and the live position of CHIEF ARROW 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/338010000/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
"https://api.aistrail.com/v1/vessels/338010000/port-calls?from=2026-10-10"Sources
- Live AIS via aisstream.io, provided without warranty. No published terms
- Port reference: World Port Index (Pub. 150), National Geospatial-Intelligence Agency (NGA).
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.
