Recorded chokepoint passages for Federal Katsura, 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/federal-katsura/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/2025-07/freighterlog:passage:538007353:2025-07-22T02:21:02ZFederal Katsura crossed Welland Canal (Thorold) downbound on 21 Jul 2025 22:21 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 22 Jul 2025 02:21:02 GMThttps://freighterlog.com/log/detroit-river/2025-07/freighterlog:passage:538007353:2025-07-21T04:50:49ZFederal Katsura crossed Detroit River / Ambassador Bridge downbound on 21 Jul 2025 00:50 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, 21 Jul 2025 04:50:49 GMThttps://freighterlog.com/log/port-huron/2025-07/freighterlog:passage:538007353:2025-07-20T23:51:18ZFederal Katsura crossed Port Huron / Blue Water Bridge downbound on 20 Jul 2025 19:51 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, 20 Jul 2025 23:51:18 GMThttps://freighterlog.com/log/mackinac/2025-07/freighterlog:passage:538007353:2025-07-20T07:26:22ZFederal Katsura crossed Straits of Mackinac eastbound on 20 Jul 2025 03:26 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 20 Jul 2025 07:26:22 GMThttps://freighterlog.com/log/mackinac/2025-06/freighterlog:passage:538007353:2025-06-26T06:18:29ZFederal Katsura crossed Straits of Mackinac westbound on 26 Jun 2025 02:18 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 26 Jun 2025 06:18:29 GMThttps://freighterlog.com/log/port-huron/2025-06/freighterlog:passage:538007353:2025-06-25T13:46:54ZFederal Katsura crossed Port Huron / Blue Water Bridge upbound on 25 Jun 2025 09:46 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 25 Jun 2025 13:46:54 GMThttps://freighterlog.com/log/detroit-river/2025-06/freighterlog:passage:538007353:2025-06-25T08:27:26ZFederal Katsura crossed Detroit River / Ambassador Bridge upbound on 25 Jun 2025 04:27 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 25 Jun 2025 08:27:26 GMThttps://freighterlog.com/log/welland/2025-06/freighterlog:passage:538007353:2025-06-20T10:43:27ZFederal Katsura crossed Welland Canal (Thorold) upbound on 20 Jun 2025 06:43 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 20 Jun 2025 10:43:27 GMThttps://freighterlog.com/log/welland/2025-04/freighterlog:passage:538007353:2025-04-30T05:54:24ZFederal Katsura crossed Welland Canal (Thorold) downbound on 30 Apr 2025 01:54 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, 30 Apr 2025 05:54:24 GMThttps://freighterlog.com/log/detroit-river/2025-04/freighterlog:passage:538007353:2025-04-28T23:18:26ZFederal Katsura crossed Detroit River / Ambassador Bridge downbound on 28 Apr 2025 19:18 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 28 Apr 2025 23:18:26 GMThttps://freighterlog.com/log/port-huron/2025-04/freighterlog:passage:538007353:2025-04-28T17:16:00ZFederal Katsura crossed Port Huron / Blue Water Bridge downbound on 28 Apr 2025 13:16 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 28 Apr 2025 17:16:00 GMThttps://freighterlog.com/log/port-huron/2025-04/freighterlog:passage:538007353:2025-04-23T06:23:11ZFederal Katsura crossed Port Huron / Blue Water Bridge upbound on 23 Apr 2025 02:23 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, 23 Apr 2025 06:23:11 GMThttps://freighterlog.com/log/detroit-river/2025-04/freighterlog:passage:538007353:2025-04-22T22:10:18ZFederal Katsura crossed Detroit River / Ambassador Bridge upbound on 22 Apr 2025 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.Tue, 22 Apr 2025 22:10:18 GMThttps://freighterlog.com/log/welland/2025-04/freighterlog:passage:538007353:2025-04-17T02:53:54ZFederal Katsura crossed Welland Canal (Thorold) upbound on 16 Apr 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.Thu, 17 Apr 2025 02:53:54 GMThttps://freighterlog.com/log/welland/2024-11/freighterlog:passage:538007353:2024-11-19T14:47:35ZFederal Katsura crossed Welland Canal (Thorold) downbound on 19 Nov 2024 09:47 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, 19 Nov 2024 14:47:35 GMThttps://freighterlog.com/log/detroit-river/2024-11/freighterlog:passage:538007353:2024-11-18T17:11:25ZFederal Katsura crossed Detroit River / Ambassador Bridge downbound on 18 Nov 2024 12:11 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 18 Nov 2024 17:11:25 GMThttps://freighterlog.com/log/port-huron/2024-11/freighterlog:passage:538007353:2024-11-18T11:50:00ZFederal Katsura crossed Port Huron / Blue Water Bridge downbound on 18 Nov 2024 06:50 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, 18 Nov 2024 11:50:00 GMThttps://freighterlog.com/log/soo/2024-11/freighterlog:passage:538007353:2024-11-17T15:04:47ZFederal Katsura crossed Soo Locks (St. Marys River) downbound on 17 Nov 2024 10:04 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 15:04:47 GMThttps://freighterlog.com/log/soo/2024-11/freighterlog:passage:538007353:2024-11-14T04:02:45ZFederal Katsura crossed Soo Locks (St. Marys River) upbound on 13 Nov 2024 23:02 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 14 Nov 2024 04:02:45 GMThttps://freighterlog.com/log/port-huron/2024-11/freighterlog:passage:538007353:2024-11-13T08:17:11ZFederal Katsura crossed Port Huron / Blue Water Bridge upbound on 13 Nov 2024 03:17 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, 13 Nov 2024 08:17:11 GMThttps://freighterlog.com/log/detroit-river/2024-11/freighterlog:passage:538007353:2024-11-13T02:36:08ZFederal Katsura crossed Detroit River / Ambassador Bridge upbound on 12 Nov 2024 21:36 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 13 Nov 2024 02:36:08 GMThttps://freighterlog.com/log/welland/2024-11/freighterlog:passage:538007353:2024-11-09T05:09:25ZFederal Katsura crossed Welland Canal (Thorold) upbound on 9 Nov 2024 00:09 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, 09 Nov 2024 05:09:25 GMThttps://freighterlog.com/log/welland/2024-09/freighterlog:passage:538007353:2024-09-28T07:02:16ZFederal Katsura crossed Welland Canal (Thorold) downbound on 28 Sep 2024 03:02 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, 28 Sep 2024 07:02:16 GMThttps://freighterlog.com/log/detroit-river/2024-09/freighterlog:passage:538007353:2024-09-27T08:23:14ZFederal Katsura crossed Detroit River / Ambassador Bridge downbound on 27 Sep 2024 04:23 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 27 Sep 2024 08:23:14 GMThttps://freighterlog.com/log/port-huron/2024-09/freighterlog:passage:538007353:2024-09-27T03:07:49ZFederal Katsura crossed Port Huron / Blue Water Bridge downbound on 26 Sep 2024 23:07 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 27 Sep 2024 03:07:49 GMThttps://freighterlog.com/log/port-huron/2024-09/freighterlog:passage:538007353:2024-09-23T01:19:32ZFederal Katsura crossed Port Huron / Blue Water Bridge upbound on 22 Sep 2024 21:19 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 23 Sep 2024 01:19:32 GMThttps://freighterlog.com/log/detroit-river/2024-09/freighterlog:passage:538007353:2024-09-22T20:33:26ZFederal Katsura crossed Detroit River / Ambassador Bridge upbound on 22 Sep 2024 16:33 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 22 Sep 2024 20:33:26 GMThttps://freighterlog.com/log/welland/2024-09/freighterlog:passage:538007353:2024-09-22T01:43:59ZFederal Katsura crossed Welland Canal (Thorold) upbound on 21 Sep 2024 21:43 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 22 Sep 2024 01:43:59 GMThttps://freighterlog.com/log/welland/2024-07/freighterlog:passage:538007353:2024-07-14T09:21:06ZFederal Katsura crossed Welland Canal (Thorold) downbound on 14 Jul 2024 05:21 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 14 Jul 2024 09:21:06 GMThttps://freighterlog.com/log/detroit-river/2024-07/freighterlog:passage:538007353:2024-07-13T10:31:41ZFederal Katsura crossed Detroit River / Ambassador Bridge downbound on 13 Jul 2024 06:31 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, 13 Jul 2024 10:31:41 GMThttps://freighterlog.com/log/port-huron/2024-07/freighterlog:passage:538007353:2024-07-13T05:03:02ZFederal Katsura crossed Port Huron / Blue Water Bridge downbound on 13 Jul 2024 01:03 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, 13 Jul 2024 05:03:02 GMThttps://freighterlog.com/log/soo/2024-07/freighterlog:passage:538007353:2024-07-12T09:14:16ZFederal Katsura crossed Soo Locks (St. Marys River) downbound on 12 Jul 2024 05:14 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 Jul 2024 09:14:16 GMThttps://freighterlog.com/log/soo/2024-07/freighterlog:passage:538007353:2024-07-05T06:05:26ZFederal Katsura crossed Soo Locks (St. Marys River) upbound on 5 Jul 2024 02:05 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, 05 Jul 2024 06:05:26 GMThttps://freighterlog.com/log/port-huron/2024-07/freighterlog:passage:538007353:2024-07-04T10:26:20ZFederal Katsura crossed Port Huron / Blue Water Bridge upbound on 4 Jul 2024 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.Thu, 04 Jul 2024 10:26:20 GMThttps://freighterlog.com/log/detroit-river/2024-07/freighterlog:passage:538007353:2024-07-04T05:02:07ZFederal Katsura crossed Detroit River / Ambassador Bridge upbound on 4 Jul 2024 01:02 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, 04 Jul 2024 05:02:07 GMThttps://freighterlog.com/log/welland/2024-06/freighterlog:passage:538007353:2024-06-30T23:41:35ZFederal Katsura crossed Welland Canal (Thorold) upbound on 30 Jun 2024 19:41 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, 30 Jun 2024 23:41:35 GMT