Recorded chokepoint passages for Leo A McArthur, 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/leo-a-mcarthur/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/welland/2025-12/freighterlog:passage:316013946:2025-12-25T00:36:23ZLeo A McArthur crossed Welland Canal (Thorold) downbound on 24 Dec 2025 19:36 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 00:36:23 GMThttps://freighterlog.com/log/welland/2025-12/freighterlog:passage:316013946:2025-12-22T23:57:15ZLeo A McArthur crossed Welland Canal (Thorold) upbound on 22 Dec 2025 18:57 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 23:57:15 GMThttps://freighterlog.com/log/welland/2025-12/freighterlog:passage:316013946:2025-12-13T23:48:52ZLeo A McArthur crossed Welland Canal (Thorold) downbound on 13 Dec 2025 18:48 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 13 Dec 2025 23:48:52 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316013946:2025-11-22T16:56:12ZLeo A McArthur crossed Welland Canal (Thorold) upbound on 22 Nov 2025 11:56 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 22 Nov 2025 16:56:12 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316013946:2025-10-01T07:08:16ZLeo A McArthur crossed Welland Canal (Thorold) downbound on 1 Oct 2025 03:08 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, 01 Oct 2025 07:08:16 GMThttps://freighterlog.com/log/welland/2025-09/freighterlog:passage:316013946:2025-09-24T18:47:17ZLeo A McArthur crossed Welland Canal (Thorold) upbound on 24 Sep 2025 14:47 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 24 Sep 2025 18:47:17 GMThttps://freighterlog.com/log/welland/2025-09/freighterlog:passage:316013946:2025-09-19T09:39:12ZLeo A McArthur crossed Welland Canal (Thorold) downbound on 19 Sep 2025 05:39 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, 19 Sep 2025 09:39:12 GMThttps://freighterlog.com/log/detroit-river/2025-09/freighterlog:passage:316013946:2025-09-18T01:49:04ZLeo A McArthur crossed Detroit River / Ambassador Bridge downbound on 17 Sep 2025 21:49 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 01:49:04 GMThttps://freighterlog.com/log/detroit-river/2025-09/freighterlog:passage:316013946:2025-09-15T08:53:52ZLeo A McArthur crossed Detroit River / Ambassador Bridge upbound on 15 Sep 2025 04:53 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, 15 Sep 2025 08:53:52 GMThttps://freighterlog.com/log/welland/2025-09/freighterlog:passage:316013946:2025-09-12T10:32:44ZLeo A McArthur crossed Welland Canal (Thorold) upbound on 12 Sep 2025 06:32 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, 12 Sep 2025 10:32:44 GMThttps://freighterlog.com/log/welland/2025-08/freighterlog:passage:316013946:2025-08-24T20:23:17ZLeo A McArthur crossed Welland Canal (Thorold) downbound on 24 Aug 2025 16:23 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, 24 Aug 2025 20:23:17 GMThttps://freighterlog.com/log/welland/2025-08/freighterlog:passage:316013946:2025-08-20T21:23:54ZLeo A McArthur crossed Welland Canal (Thorold) upbound on 20 Aug 2025 17:23 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 20 Aug 2025 21:23:54 GMThttps://freighterlog.com/log/welland/2025-06/freighterlog:passage:316013946:2025-06-23T15:01:09ZLeo A McArthur crossed Welland Canal (Thorold) downbound on 23 Jun 2025 11:01 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, 23 Jun 2025 15:01:09 GMThttps://freighterlog.com/log/welland/2025-06/freighterlog:passage:316013946:2025-06-06T02:53:53ZLeo A McArthur crossed Welland Canal (Thorold) upbound on 5 Jun 2025 22:53 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, 06 Jun 2025 02:53:53 GMThttps://freighterlog.com/log/welland/2025-05/freighterlog:passage:316013946:2025-05-03T03:57:23ZLeo A McArthur crossed Welland Canal (Thorold) downbound on 2 May 2025 23:57 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, 03 May 2025 03:57:23 GMThttps://freighterlog.com/log/welland/2025-04/freighterlog:passage:316013946:2025-04-26T11:08:19ZLeo A McArthur crossed Welland Canal (Thorold) upbound on 26 Apr 2025 07:08 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, 26 Apr 2025 11:08:19 GMThttps://freighterlog.com/log/welland/2025-04/freighterlog:passage:316013946:2025-04-23T16:21:59ZLeo A McArthur crossed Welland Canal (Thorold) downbound on 23 Apr 2025 12:21 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, 23 Apr 2025 16:21:59 GMThttps://freighterlog.com/log/welland/2025-04/freighterlog:passage:316013946:2025-04-17T20:40:32ZLeo A McArthur crossed Welland Canal (Thorold) upbound on 17 Apr 2025 16:40 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 17 Apr 2025 20:40:32 GMThttps://freighterlog.com/log/welland/2024-12/freighterlog:passage:316013946:2024-12-28T10:28:53ZLeo A McArthur crossed Welland Canal (Thorold) downbound on 28 Dec 2024 05:28 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 28 Dec 2024 10:28:53 GMThttps://freighterlog.com/log/detroit-river/2024-12/freighterlog:passage:316013946:2024-12-27T03:56:16ZLeo A McArthur crossed Detroit River / Ambassador Bridge downbound on 26 Dec 2024 22:56 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, 27 Dec 2024 03:56:16 GMThttps://freighterlog.com/log/detroit-river/2024-12/freighterlog:passage:316013946:2024-12-22T15:49:21ZLeo A McArthur crossed Detroit River / Ambassador Bridge upbound on 22 Dec 2024 10:49 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, 22 Dec 2024 15:49:21 GMThttps://freighterlog.com/log/welland/2024-12/freighterlog:passage:316013946:2024-12-21T00:52:23ZLeo A McArthur crossed Welland Canal (Thorold) upbound on 20 Dec 2024 19:52 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, 21 Dec 2024 00:52:23 GMThttps://freighterlog.com/log/welland/2024-11/freighterlog:passage:316013946:2024-11-23T09:37:18ZLeo A McArthur crossed Welland Canal (Thorold) downbound on 23 Nov 2024 04:37 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, 23 Nov 2024 09:37:18 GMThttps://freighterlog.com/log/detroit-river/2024-11/freighterlog:passage:316013946:2024-11-22T02:45:47ZLeo A McArthur crossed Detroit River / Ambassador Bridge downbound on 21 Nov 2024 21:45 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 22 Nov 2024 02:45:47 GMThttps://freighterlog.com/log/detroit-river/2024-11/freighterlog:passage:316013946:2024-11-20T17:43:53ZLeo A McArthur crossed Detroit River / Ambassador Bridge upbound on 20 Nov 2024 12:43 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, 20 Nov 2024 17:43:53 GMThttps://freighterlog.com/log/welland/2024-11/freighterlog:passage:316013946:2024-11-17T03:12:47ZLeo A McArthur crossed Welland Canal (Thorold) upbound on 16 Nov 2024 22:12 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 17 Nov 2024 03:12:47 GMThttps://freighterlog.com/log/welland/2024-10/freighterlog:passage:316013946:2024-10-14T04:22:21ZLeo A McArthur crossed Welland Canal (Thorold) downbound on 14 Oct 2024 00:22 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, 14 Oct 2024 04:22:21 GMThttps://freighterlog.com/log/welland/2024-10/freighterlog:passage:316013946:2024-10-09T11:22:53ZLeo A McArthur crossed Welland Canal (Thorold) upbound on 9 Oct 2024 07:22 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, 09 Oct 2024 11:22:53 GMThttps://freighterlog.com/log/welland/2024-09/freighterlog:passage:316013946:2024-09-14T10:48:38ZLeo A McArthur crossed Welland Canal (Thorold) downbound on 14 Sep 2024 06:48 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, 14 Sep 2024 10:48:38 GMThttps://freighterlog.com/log/detroit-river/2024-09/freighterlog:passage:316013946:2024-09-12T18:49:48ZLeo A McArthur crossed Detroit River / Ambassador Bridge downbound on 12 Sep 2024 14:49 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, 12 Sep 2024 18:49:48 GMThttps://freighterlog.com/log/detroit-river/2024-09/freighterlog:passage:316013946:2024-09-09T20:04:14ZLeo A McArthur crossed Detroit River / Ambassador Bridge upbound on 9 Sep 2024 16:04 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, 09 Sep 2024 20:04:14 GMThttps://freighterlog.com/log/welland/2024-09/freighterlog:passage:316013946:2024-09-08T11:22:34ZLeo A McArthur crossed Welland Canal (Thorold) upbound on 8 Sep 2024 07:22 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, 08 Sep 2024 11:22:34 GMThttps://freighterlog.com/log/welland/2024-06/freighterlog:passage:316013946:2024-06-28T19:20:03ZLeo A McArthur crossed Welland Canal (Thorold) downbound on 28 Jun 2024 15:20 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, 28 Jun 2024 19:20:03 GMThttps://freighterlog.com/log/welland/2024-06/freighterlog:passage:316013946:2024-06-23T22:10:48ZLeo A McArthur crossed Welland Canal (Thorold) upbound on 23 Jun 2024 18:10 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, 23 Jun 2024 22:10:48 GMThttps://freighterlog.com/log/welland/2024-06/freighterlog:passage:316013946:2024-06-17T23:33:46ZLeo A McArthur crossed Welland Canal (Thorold) downbound on 17 Jun 2024 19:33 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 17 Jun 2024 23:33:46 GMThttps://freighterlog.com/log/detroit-river/2024-06/freighterlog:passage:316013946:2024-06-14T22:16:09ZLeo A McArthur crossed Detroit River / Ambassador Bridge downbound on 14 Jun 2024 18:16 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, 14 Jun 2024 22:16:09 GMThttps://freighterlog.com/log/welland/2024-05/freighterlog:passage:316013946:2024-05-04T18:45:42ZLeo A McArthur crossed Welland Canal (Thorold) downbound on 4 May 2024 14:45 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 04 May 2024 18:45:42 GMThttps://freighterlog.com/log/welland/2024-04/freighterlog:passage:316013946:2024-04-30T16:13:34ZLeo A McArthur crossed Welland Canal (Thorold) upbound on 30 Apr 2024 12:13 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 30 Apr 2024 16:13:34 GMThttps://freighterlog.com/log/welland/2024-04/freighterlog:passage:316013946:2024-04-25T15:23:59ZLeo A McArthur crossed Welland Canal (Thorold) downbound on 25 Apr 2024 11:23 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 25 Apr 2024 15:23:59 GMThttps://freighterlog.com/log/welland/2024-04/freighterlog:passage:316013946:2024-04-20T15:22:36ZLeo A McArthur crossed Welland Canal (Thorold) upbound on 20 Apr 2024 11:22 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, 20 Apr 2024 15:22:36 GMT