High-speed craft · Flag US
GREY LADY IV
GREY LADY IV is a high-speed craft (MMSI 367720690, flag US). Its last AIS position was reported on 16 Oct 2026 at 20:53 UTC in Port of Nantucket, bound for NANTUCKET ROUTE. AIS Trail recorded 10+ port calls in the last 60 days, most recently at Hyannis.
Last position
Status: Under way using engine · Destination as broadcast: NANTUCKET ROUTE · ETA as broadcast: 31 Oct 2026, 08:19 UTC
Position of MMSI 367720690, rounded to 0.01°; see the exact live position and the last 3 days on the live map.
Vessel details
| Name | GREY LADY IV |
|---|---|
| IMO number | – |
| MMSI | 367720690 |
| Call sign | WDI6638 |
| Type | High speed craft |
| Flag | US (from the MMSI country code) |
| Length × beam | 48 m × 10 m |
| Highest reported draught | 1.9 m (last 30 days) |
| Estimated deadweight | – |
| Destination as broadcast | NANTUCKET ROUTE |
| Seen in AIS | 10 Oct 2026 – 16 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 |
|---|---|---|---|
| Hyannis USHYA | 15 Oct 2026, 22:25 UTC | No departure yet | – |
| Hyannis USHYA | 15 Oct 2026, 19:28 UTC | 15 Oct 2026, 20:00 UTC | 31 min |
| Hyannis USHYA | 15 Oct 2026, 16:26 UTC | 15 Oct 2026, 16:56 UTC | 30 min |
| Nantucket USACK | 15 Oct 2026, 14:42 UTC | 15 Oct 2026, 15:20 UTC | 38 min |
| Hyannis USHYA | 14 Oct 2026, 22:27 UTC | 15 Oct 2026, 13:40 UTC | 15 h 12 min |
| Nantucket USACK | 14 Oct 2026, 21:01 UTC | 14 Oct 2026, 21:22 UTC | 21 min |
| Hyannis USHYA | 14 Oct 2026, 19:31 UTC | 14 Oct 2026, 19:55 UTC | 23 min |
| Hyannis USHYA | 14 Oct 2026, 15:30 UTC | 14 Oct 2026, 16:59 UTC | 1 h 29 min |
| Hyannis USHYA | 14 Oct 2026, 13:07 UTC | 14 Oct 2026, 14:17 UTC | 1 h 9 min |
| Hyannis USHYA | 13 Oct 2026, 22:22 UTC | 14 Oct 2026, 10:18 UTC | 11 h 55 min |
GREY LADY IV in the API
The full track, every port call and the live position of GREY LADY IV 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/367720690/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
"https://api.aistrail.com/v1/vessels/367720690/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.
