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Vessel photo of Robert S. Pierson (IMO 7366403) vesseltracker.com

CA flag Robert S. Pierson

Vessel type: Self Discharging Bulk Carrier | IMO: 7366403 | MMSI: MMSI: 316011905
Call sign: CFN4934 | Dimensions: 192 m x 21 m
Current Status

Where is the vessel?

Robert S. Pierson is currently in Near Port Huron, based on AIS data received less than 1h ago.

Latest AIS update:

Current position: 42.98869° N, 82.41784° W (Near Port Huron)

Average speed (last 7 days): Loading…

Average speed (last 30 days): Loading…

Vessel profile: Robert S. Pierson is a Self Discharging Bulk Carrier with dimensions 192m x 21m.

This page combines live AIS, route history, probable destination signals, nearby traffic, and port activity for practical vessel monitoring.

The current position of vessel Robert S. Pierson is 42.98869 lat / -82.41784 lng. Updated: 2026-03-29 06:18:00 UTC
Nearest reference points:
  • Near Fort Gratiot
  • Near Saint Clair Shores
  • Near Walkerville

Currently sailing under the flag of Canada CA flag

Robert S. Pierson built in 1974 year

Deadweight:
20236 t

Details:

Live Vessel Robert S. Pierson Analytics (details, animations, etc.)


Recent AIS points (UTC):
2026-03-29 00:00:29 UTC · 42.98864, -82.41783 · SOG 0.2 kn · COG -1°
2026-03-29 00:36:35 UTC · 42.98862, -82.41783 · SOG 0.1 kn · COG -1°
2026-03-29 03:34:58 UTC · 42.98867, -82.41784 · SOG 0.1 kn · COG -1°
2026-03-29 06:18:00 UTC · 42.98869, -82.41784 · SOG 0.1 kn · COG -1°

Track of the vessel in the last 28 days


UTC: --
Start: -- Track timeline (UTC) End: --
Encountered: --


Link to the map:


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Robert_S._Pierson (316011905) last ports (portcalls and passsages)

Fort Gratiot | 2025-09-08 13:04:23
Port Huron | 2025-09-08 12:23:09
China Township | 2025-09-08 11:19:11
SARNIA | 2025-09-05 22:02:39
Mooretown | 2025-09-05 20:53:05
Walkerville | 2025-09-05 07:23:30
SARNIA | 2025-09-01 18:39:50
SAULT STE MARIE | 2025-08-27 10:22:18
SARNIA | 2025-08-26 13:15:58
DETROIT | 2025-08-26 05:58:35
SANDUSKY | 2025-08-25 13:02:54
LAKESIDE MARBLEHEAD | 2025-08-25 03:23:25
ASHTABULA | 2025-08-22 13:21:12
DETROIT | 2025-08-20 17:24:24
SARNIA | 2025-08-20 12:12:21
SAULT STE MARIE | 2025-08-16 11:13:35
SARNIA | 2025-08-13 12:25:41
DETROIT | 2025-08-13 05:17:42
PORT WELLER | 2025-08-08 23:21:48
PORT COLBORNE | 2025-08-08 16:47:22
LEAMINGTON | 2025-08-07 05:33:19
DETROIT | 2025-08-06 22:30:32
SARNIA | 2025-08-06 17:11:13
SAULT STE MARIE | 2025-08-01 14:08:08
DETROIT | 2025-07-29 15:18:44
SARNIA | 2025-07-29 09:47:35
SAULT STE MARIE | 2025-07-25 04:31:38
SARNIA | 2025-07-24 07:31:12
DETROIT | 2025-07-24 01:57:37
SANDUSKY | 2025-07-21 12:14:03
LAKESIDE MARBLEHEAD | 2025-07-20 21:05:59
DETROIT | 2025-07-19 05:54:14
SARNIA | 2025-07-19 00:09:15
MUSKEGON | 2025-07-11 21:00:23
ST IGNACE | 2025-07-11 03:21:33
DETROIT | 2025-07-08 17:53:29
SARNIA | 2025-07-08 12:17:00
CHEBOYGAN | 2025-07-07 19:42:31
MUSKEGON | 2025-07-05 06:37:28
ST IGNACE | 2025-07-04 11:24:24
SARNIA | 2025-07-02 11:46:11
MUSKEGON | 2025-06-29 23:18:22
ST IGNACE | 2025-06-29 05:06:20
SAULT STE MARIE | 2025-06-25 19:15:06
LAKESIDE MARBLEHEAD | 2025-06-23 18:29:11
DETROIT | 2025-06-22 20:09:11
SARNIA | 2025-06-22 15:24:04
MUSKEGON | 2025-06-17 22:59:50
LUDINGTON | 2025-06-17 18:35:24
DETROIT | 2025-06-14 14:56:52
SARNIA | 2025-06-14 09:45:00
MUSKEGON | 2025-06-12 00:08:55
ST IGNACE | 2025-06-11 06:33:49
MUSKEGON | 2025-06-07 08:51:14
ST IGNACE | 2025-06-06 14:35:35
SARNIA | 2025-06-04 17:53:31
SANDUSKY | 2025-06-01 00:04:49
LAKESIDE MARBLEHEAD | 2025-05-31 22:29:41
DETROIT | 2025-05-30 16:09:43
SARNIA | 2025-05-30 10:33:34
MUSKEGON | 2025-05-28 01:10:58
ST IGNACE | 2025-05-27 08:02:06
DETROIT | 2025-05-20 00:00:23
SARNIA | 2025-05-19 18:24:58
SAULT STE MARIE | 2025-05-16 01:58:06
DETROIT | 2025-05-14 08:43:58
SARNIA | 2025-05-13 16:48:25
SAULT STE MARIE | 2025-05-10 21:07:16
LAKESIDE MARBLEHEAD | 2025-05-08 21:23:21
DETROIT | 2025-05-08 04:13:23
SARNIA | 2025-05-07 17:47:50
SARNIA | 2025-05-03 06:00:51
LAKESIDE MARBLEHEAD | 2025-05-01 17:23:52
ASHTABULA | 2025-04-29 09:37:40
DETROIT | 2025-04-28 22:04:21
SARNIA | 2025-04-28 17:06:08
SAULT STE MARIE | 2025-04-24 06:19:57
LAKESIDE MARBLEHEAD | 2025-04-22 10:58:39
DETROIT | 2025-04-20 09:19:38
SARNIA | 2025-04-20 00:37:55
SARNIA | 2025-04-16 00:18:41
SAULT STE MARIE | 2025-04-10 14:23:53
SARNIA | 2025-04-06 02:24:41
SARNIA | 2025-04-02 02:23:18
SARNIA | 2025-03-29 01:21:21
SARNIA | 2025-03-25 01:04:22
SARNIA | 2025-03-21 00:53:21
SARNIA | 2025-03-17 00:02:13
SARNIA | 2025-03-12 23:15:30
SARNIA | 2025-03-08 23:02:12
SARNIA | 2025-03-04 21:32:10
SARNIA | 2025-02-28 21:18:43
SARNIA | 2025-02-24 20:49:18
SARNIA | 2025-02-20 20:23:22
SARNIA | 2025-02-16 19:07:03
SARNIA | 2025-02-12 17:59:43
SARNIA | 2025-02-08 17:18:13
SARNIA | 2025-02-04 16:48:48
SARNIA | 2025-01-31 14:12:45
SARNIA | 2025-01-27 14:03:18
SARNIA | 2025-01-23 13:59:03
SARNIA | 2025-01-19 13:45:24
SARNIA | 2025-01-15 13:08:35
SAULT STE MARIE | 2025-01-13 09:03:39
TWO HARBORS | 2025-01-11 03:25:17
SAULT STE MARIE | 2025-01-08 03:14:01
SARNIA | 2025-01-07 04:24:18
DETROIT | 2025-01-05 17:09:16
SARNIA | 2025-01-02 18:48:27
SAULT STE MARIE | 2025-01-02 00:15:48
TWO HARBORS | 2024-12-30 23:10:32
SAULT STE MARIE | 2024-12-28 23:28:59
TWO HARBORS | 2024-12-26 22:04:55
SAULT STE MARIE | 2024-12-22 17:24:12
ST IGNACE | 2024-12-20 13:06:19
LUDINGTON | 2024-12-20 01:14:13
MUSKEGON | 2024-12-19 14:26:47
SAULT STE MARIE | 2024-12-17 05:57:37
SILVER BAY | 2024-12-14 11:46:47
SAULT STE MARIE | 2024-12-09 20:14:02
KELLEYS ISLAND | 2024-12-08 10:45:37
SANDUSKY | 2024-12-07 12:17:45
DETROIT | 2024-12-07 04:26:44
SARNIA | 2024-12-06 15:44:10
SAULT STE MARIE | 2024-12-04 06:44:06
SANDUSKY | 2024-12-01 05:17:41
DETROIT | 2024-11-30 19:13:11
SARNIA | 2024-11-30 12:56:57
TWO HARBORS | 2024-11-22 07:33:11
SARNIA | 2024-11-19 08:25:59
DETROIT | 2024-11-19 02:26:31
PORT COLBORNE | 2024-11-15 07:31:02