Recorded chokepoint passages for Edgar B Speer, newest first. The record, not the map: this feed carries passages already in the archive, which ends at December 2025. Vessel data derived from the Nationwide Automatic Identification System (NOAA Office for Coastal Management, marinecadastre.gov), CC0.https://freighterlog.com/vessels/edgar-b-speer/en-usVessel data derived from the Nationwide Automatic Identification System (NOAA Office for Coastal Management, marinecadastre.gov), CC0. Transit and lock data from the St. Lawrence Seaway Management Corporation / Saint Lawrence Seaway Development Corporation public vessel-transit table (seaway-greatlakes.com).Wed, 23 Sep 2026 18:23:30 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366971330:2025-12-29T02:35:40ZEdgar B Speer (Great Lakes Fleet) crossed Soo Locks (St. Marys River) upbound on 28 Dec 2025 21:35 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 29 Dec 2025 02:35:40 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:366971330:2025-12-28T17:22:12ZEdgar B Speer (Great Lakes Fleet) crossed Straits of Mackinac eastbound on 28 Dec 2025 12:22 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 28 Dec 2025 17:22:12 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:366971330:2025-12-26T03:02:25ZEdgar B Speer (Great Lakes Fleet) crossed Straits of Mackinac westbound on 25 Dec 2025 22:02 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 26 Dec 2025 03:02:25 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366971330:2025-12-25T18:16:03ZEdgar B Speer (Great Lakes Fleet) crossed Soo Locks (St. Marys River) downbound on 25 Dec 2025 13:16 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 25 Dec 2025 18:16:03 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366971330:2025-12-22T22:59:43ZEdgar B Speer (Great Lakes Fleet) crossed Soo Locks (St. Marys River) upbound on 22 Dec 2025 17:59 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 22 Dec 2025 22:59:43 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:366971330:2025-12-22T11:53:48ZEdgar B Speer (Great Lakes Fleet) crossed Straits of Mackinac eastbound on 22 Dec 2025 06:53 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 22 Dec 2025 11:53:48 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:366971330:2025-12-19T14:32:14ZEdgar B Speer (Great Lakes Fleet) crossed Straits of Mackinac westbound on 19 Dec 2025 09:32 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 19 Dec 2025 14:32:14 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366971330:2025-12-18T14:07:28ZEdgar B Speer (Great Lakes Fleet) crossed Soo Locks (St. Marys River) downbound on 18 Dec 2025 09:07 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 18 Dec 2025 14:07:28 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366971330:2025-12-14T09:54:02ZEdgar B Speer (Great Lakes Fleet) crossed Soo Locks (St. Marys River) upbound on 14 Dec 2025 04:54 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 14 Dec 2025 09:54:02 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:366971330:2025-12-14T00:30:25ZEdgar B Speer (Great Lakes Fleet) crossed Straits of Mackinac eastbound on 13 Dec 2025 19:30 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 14 Dec 2025 00:30:25 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:366971330:2025-12-10T08:42:30ZEdgar B Speer (Great Lakes Fleet) crossed Straits of Mackinac westbound on 10 Dec 2025 03:42 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 10 Dec 2025 08:42:30 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366971330:2025-12-09T23:58:59ZEdgar B Speer (Great Lakes Fleet) crossed Soo Locks (St. Marys River) downbound on 9 Dec 2025 18:58 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 09 Dec 2025 23:58:59 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366971330:2025-12-07T03:02:05ZEdgar B Speer (Great Lakes Fleet) crossed Soo Locks (St. Marys River) upbound on 6 Dec 2025 22:02 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 07 Dec 2025 03:02:05 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:366971330:2025-12-06T18:12:51ZEdgar B Speer (Great Lakes Fleet) crossed Straits of Mackinac eastbound on 6 Dec 2025 13:12 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 06 Dec 2025 18:12:51 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:366971330:2025-12-03T16:12:40ZEdgar B Speer (Great Lakes Fleet) crossed Straits of Mackinac westbound on 3 Dec 2025 11:12 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 03 Dec 2025 16:12:40 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366971330:2025-12-03T06:58:41ZEdgar B Speer (Great Lakes Fleet) crossed Soo Locks (St. Marys River) downbound on 3 Dec 2025 01:58 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 03 Dec 2025 06:58:41 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366971330:2025-11-30T03:41:50ZEdgar B Speer (Great Lakes Fleet) crossed Soo Locks (St. Marys River) upbound on 29 Nov 2025 22:41 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 30 Nov 2025 03:41:50 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:366971330:2025-11-29T17:03:06ZEdgar B Speer (Great Lakes Fleet) crossed Straits of Mackinac eastbound on 29 Nov 2025 12:03 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 29 Nov 2025 17:03:06 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:366971330:2025-11-25T03:54:04ZEdgar B Speer (Great Lakes Fleet) crossed Straits of Mackinac westbound on 24 Nov 2025 22:54 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 25 Nov 2025 03:54:04 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366971330:2025-11-24T18:48:43ZEdgar B Speer (Great Lakes Fleet) crossed Soo Locks (St. Marys River) downbound on 24 Nov 2025 13:48 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 24 Nov 2025 18:48:43 GMThttps://freighterlog.com/log/superior-entry/2025-11/freighterlog:passage:366971330:2025-11-23T08:40:25ZEdgar B Speer (Great Lakes Fleet) crossed Superior Entry outbound on 23 Nov 2025 02:40 CST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 23 Nov 2025 08:40:25 GMThttps://freighterlog.com/log/duluth-canal/2025-11/freighterlog:passage:366971330:2025-11-22T06:28:35ZEdgar B Speer (Great Lakes Fleet) crossed Duluth Ship Canal inbound on 22 Nov 2025 00:28 CST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 22 Nov 2025 06:28:35 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366971330:2025-11-20T23:29:58ZEdgar B Speer (Great Lakes Fleet) crossed Soo Locks (St. Marys River) upbound on 20 Nov 2025 18:29 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 20 Nov 2025 23:29:58 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:366971330:2025-11-20T14:40:43ZEdgar B Speer (Great Lakes Fleet) crossed Straits of Mackinac eastbound on 20 Nov 2025 09:40 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 20 Nov 2025 14:40:43 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:366971330:2025-11-18T01:22:32ZEdgar B Speer (Great Lakes Fleet) crossed Straits of Mackinac westbound on 17 Nov 2025 20:22 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 18 Nov 2025 01:22:32 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366971330:2025-11-17T16:42:09ZEdgar B Speer (Great Lakes Fleet) crossed Soo Locks (St. Marys River) downbound on 17 Nov 2025 11:42 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 17 Nov 2025 16:42:09 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366971330:2025-11-13T10:11:53ZEdgar B Speer (Great Lakes Fleet) crossed Soo Locks (St. Marys River) upbound on 13 Nov 2025 05:11 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 13 Nov 2025 10:11:53 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:366971330:2025-11-12T22:39:11ZEdgar B Speer (Great Lakes Fleet) crossed Straits of Mackinac eastbound on 12 Nov 2025 17:39 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 12 Nov 2025 22:39:11 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:366971330:2025-11-07T12:30:33ZEdgar B Speer (Great Lakes Fleet) crossed Straits of Mackinac westbound on 7 Nov 2025 07:30 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 07 Nov 2025 12:30:33 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366971330:2025-11-07T02:56:07ZEdgar B Speer (Great Lakes Fleet) crossed Soo Locks (St. Marys River) downbound on 6 Nov 2025 21:56 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 07 Nov 2025 02:56:07 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366971330:2025-11-04T09:08:34ZEdgar B Speer (Great Lakes Fleet) crossed Soo Locks (St. Marys River) upbound on 4 Nov 2025 04:08 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 04 Nov 2025 09:08:34 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:366971330:2025-11-04T00:11:28ZEdgar B Speer (Great Lakes Fleet) crossed Straits of Mackinac eastbound on 3 Nov 2025 19:11 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 04 Nov 2025 00:11:28 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:366971330:2025-11-01T10:06:06ZEdgar B Speer (Great Lakes Fleet) crossed Straits of Mackinac westbound on 1 Nov 2025 06:06 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 01 Nov 2025 10:06:06 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366971330:2025-11-01T00:56:00ZEdgar B Speer (Great Lakes Fleet) crossed Soo Locks (St. Marys River) downbound on 31 Oct 2025 20:56 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 01 Nov 2025 00:56:00 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:366971330:2025-10-29T08:07:18ZEdgar B Speer (Great Lakes Fleet) crossed Soo Locks (St. Marys River) upbound on 29 Oct 2025 04:07 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 29 Oct 2025 08:07:18 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:366971330:2025-10-28T23:20:47ZEdgar B Speer (Great Lakes Fleet) crossed Straits of Mackinac eastbound on 28 Oct 2025 19:20 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 28 Oct 2025 23:20:47 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:366971330:2025-10-26T07:23:07ZEdgar B Speer (Great Lakes Fleet) crossed Straits of Mackinac westbound on 26 Oct 2025 03:23 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 26 Oct 2025 07:23:07 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:366971330:2025-10-25T22:42:27ZEdgar B Speer (Great Lakes Fleet) crossed Soo Locks (St. Marys River) downbound on 25 Oct 2025 18:42 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 25 Oct 2025 22:42:27 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:366971330:2025-10-22T11:42:23ZEdgar B Speer (Great Lakes Fleet) crossed Soo Locks (St. Marys River) upbound on 22 Oct 2025 07:42 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 22 Oct 2025 11:42:23 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:366971330:2025-10-22T02:43:23ZEdgar B Speer (Great Lakes Fleet) crossed Straits of Mackinac eastbound on 21 Oct 2025 22:43 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 22 Oct 2025 02:43:23 GMT