Recorded chokepoint passages for American Courage, 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/american-courage/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/detroit-river/2025-12/freighterlog:passage:367121040:2025-12-04T02:16:38ZAmerican Courage crossed Detroit River / Ambassador Bridge downbound on 3 Dec 2025 21:16 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, 04 Dec 2025 02:16:38 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:367121040:2025-12-03T20:34:32ZAmerican Courage crossed Port Huron / Blue Water Bridge downbound on 3 Dec 2025 15:34 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 20:34:32 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:367121040:2025-11-26T04:56:37ZAmerican Courage crossed Port Huron / Blue Water Bridge upbound on 25 Nov 2025 23:56 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 26 Nov 2025 04:56:37 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:367121040:2025-11-25T23:26:04ZAmerican Courage crossed Detroit River / Ambassador Bridge upbound on 25 Nov 2025 18:26 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 23:26:04 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:367121040:2025-11-19T20:08:07ZAmerican Courage crossed Detroit River / Ambassador Bridge downbound on 19 Nov 2025 15:08 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 19 Nov 2025 20:08:07 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:367121040:2025-11-19T15:20:59ZAmerican Courage crossed Port Huron / Blue Water Bridge downbound on 19 Nov 2025 10:20 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, 19 Nov 2025 15:20:59 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:367121040:2025-11-15T13:06:58ZAmerican Courage crossed Port Huron / Blue Water Bridge upbound on 15 Nov 2025 08:06 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, 15 Nov 2025 13:06:58 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:367121040:2025-11-15T00:51:00ZAmerican Courage crossed Port Huron / Blue Water Bridge downbound on 14 Nov 2025 19:51 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, 15 Nov 2025 00:51:00 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:367121040:2025-11-13T07:44:23ZAmerican Courage crossed Port Huron / Blue Water Bridge upbound on 13 Nov 2025 02:44 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 07:44:23 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:367121040:2025-11-12T23:26:41ZAmerican Courage crossed Detroit River / Ambassador Bridge upbound on 12 Nov 2025 18:26 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 23:26:41 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:367121040:2025-11-07T10:20:22ZAmerican Courage crossed Detroit River / Ambassador Bridge downbound on 7 Nov 2025 05:20 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 10:20:22 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:367121040:2025-11-07T04:38:29ZAmerican Courage crossed Port Huron / Blue Water Bridge downbound on 6 Nov 2025 23:38 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 04:38:29 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:367121040:2025-11-05T08:28:56ZAmerican Courage crossed Port Huron / Blue Water Bridge upbound on 5 Nov 2025 03:28 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, 05 Nov 2025 08:28:56 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:367121040:2025-11-05T02:59:25ZAmerican Courage crossed Detroit River / Ambassador Bridge upbound on 4 Nov 2025 21:59 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 05 Nov 2025 02:59:25 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:367121040:2025-11-02T15:45:43ZAmerican Courage crossed Detroit River / Ambassador Bridge downbound on 2 Nov 2025 10:45 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, 02 Nov 2025 15:45:43 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:367121040:2025-11-02T10:26:01ZAmerican Courage crossed Port Huron / Blue Water Bridge downbound on 2 Nov 2025 05:26 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, 02 Nov 2025 10:26:01 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:367121040:2025-10-30T04:46:04ZAmerican Courage crossed Port Huron / Blue Water Bridge upbound on 30 Oct 2025 00:46 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 30 Oct 2025 04:46:04 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:367121040:2025-10-29T23:26:28ZAmerican Courage crossed Detroit River / Ambassador Bridge upbound on 29 Oct 2025 19:26 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 23:26:28 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:367121040:2025-10-22T10:26:10ZAmerican Courage crossed Detroit River / Ambassador Bridge downbound on 22 Oct 2025 06:26 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 10:26:10 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:367121040:2025-10-22T04:40:42ZAmerican Courage crossed Port Huron / Blue Water Bridge downbound on 22 Oct 2025 00:40 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 04:40:42 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:367121040:2025-10-17T07:37:21ZAmerican Courage crossed Port Huron / Blue Water Bridge upbound on 17 Oct 2025 03:37 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 17 Oct 2025 07:37:21 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:367121040:2025-10-17T02:27:24ZAmerican Courage crossed Detroit River / Ambassador Bridge upbound on 16 Oct 2025 22:27 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 17 Oct 2025 02:27:24 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:367121040:2025-10-15T07:34:35ZAmerican Courage crossed Detroit River / Ambassador Bridge downbound on 15 Oct 2025 03:34 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, 15 Oct 2025 07:34:35 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:367121040:2025-10-15T02:18:40ZAmerican Courage crossed Port Huron / Blue Water Bridge downbound on 14 Oct 2025 22:18 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, 15 Oct 2025 02:18:40 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:367121040:2025-10-13T04:47:19ZAmerican Courage crossed Port Huron / Blue Water Bridge upbound on 13 Oct 2025 00:47 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 13 Oct 2025 04:47:19 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:367121040:2025-10-12T23:13:44ZAmerican Courage crossed Detroit River / Ambassador Bridge upbound on 12 Oct 2025 19:13 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, 12 Oct 2025 23:13:44 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:367121040:2025-10-12T11:25:25ZAmerican Courage crossed Detroit River / Ambassador Bridge downbound on 12 Oct 2025 07:25 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, 12 Oct 2025 11:25:25 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:367121040:2025-10-10T11:20:41ZAmerican Courage crossed Soo Locks (St. Marys River) downbound on 10 Oct 2025 07:20 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 10 Oct 2025 11:20:41 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:367121040:2025-10-10T00:11:25ZAmerican Courage crossed Soo Locks (St. Marys River) upbound on 9 Oct 2025 20:11 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 10 Oct 2025 00:11:25 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:367121040:2025-10-06T21:46:37ZAmerican Courage crossed Port Huron / Blue Water Bridge upbound on 6 Oct 2025 17:46 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 06 Oct 2025 21:46:37 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:367121040:2025-10-06T16:07:46ZAmerican Courage crossed Detroit River / Ambassador Bridge upbound on 6 Oct 2025 12:07 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 06 Oct 2025 16:07:46 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:367121040:2025-10-03T08:16:33ZAmerican Courage crossed Detroit River / Ambassador Bridge downbound on 3 Oct 2025 04:16 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 03 Oct 2025 08:16:33 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:367121040:2025-10-03T02:34:08ZAmerican Courage crossed Port Huron / Blue Water Bridge downbound on 2 Oct 2025 22:34 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 03 Oct 2025 02:34:08 GMThttps://freighterlog.com/log/port-huron/2025-09/freighterlog:passage:367121040:2025-09-30T19:18:15ZAmerican Courage crossed Port Huron / Blue Water Bridge upbound on 30 Sep 2025 15:18 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, 30 Sep 2025 19:18:15 GMThttps://freighterlog.com/log/port-huron/2025-09/freighterlog:passage:367121040:2025-09-30T09:40:52ZAmerican Courage crossed Port Huron / Blue Water Bridge downbound on 30 Sep 2025 05:40 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, 30 Sep 2025 09:40:52 GMThttps://freighterlog.com/log/port-huron/2025-09/freighterlog:passage:367121040:2025-09-25T17:15:29ZAmerican Courage crossed Port Huron / Blue Water Bridge upbound on 25 Sep 2025 13:15 EDT. 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 Sep 2025 17:15:29 GMThttps://freighterlog.com/log/detroit-river/2025-09/freighterlog:passage:367121040:2025-09-24T10:45:46ZAmerican Courage crossed Detroit River / Ambassador Bridge upbound on 24 Sep 2025 06:45 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, 24 Sep 2025 10:45:46 GMThttps://freighterlog.com/log/detroit-river/2025-09/freighterlog:passage:367121040:2025-09-18T04:28:38ZAmerican Courage crossed Detroit River / Ambassador Bridge downbound on 18 Sep 2025 00:28 EDT. 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 Sep 2025 04:28:38 GMThttps://freighterlog.com/log/port-huron/2025-09/freighterlog:passage:367121040:2025-09-17T23:19:26ZAmerican Courage crossed Port Huron / Blue Water Bridge downbound on 17 Sep 2025 19:19 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, 17 Sep 2025 23:19:26 GMThttps://freighterlog.com/log/port-huron/2025-09/freighterlog:passage:367121040:2025-09-16T03:33:41ZAmerican Courage crossed Port Huron / Blue Water Bridge upbound on 15 Sep 2025 23:33 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, 16 Sep 2025 03:33:41 GMT