Chart correction 4509 — chart 340

Chart 340 will be updated when full details are available. 4. Mariners are advised to navigate with caution in the area and consult the local port authorities for the latest information. (CGCS 2000 DATUM) Chart affected - 340 69(T)/26 RUSSIA - Pacific Ocean Coast - Buoyage. Source: Russian Notice 44/4598(T)/25 1. Two yellow special purpose pillar buoys have been established in the following positions: 42° 58´·42N., 131° 46´·97E. 42° 57´·92N., 131° 48´·67E. 2. Mariners are advised to navigate with caution in the area. (WGS84 DATUM) Chart affected - 3045 Wk01/26 II 2.25 64(P)/26 AUSTRALIA - Western Australia - Depths. Buoy. Source: Australian Chart Aus55 1. Depths less than charted exist within the approaches to Port Walcott. The most significant are as follows: Depth Position 17·5m 20° 23´·18S., 117° 26´·04E. 13·9m 20° 31´·55S., 117° 26´·64E. 13·5m 20° 32´·02S., 117° 26´·34E. 13·5m 20° 30´·99S., 117° 25´·19E. 12·7m 20° 31´·78S., 117° 25´·10E. 14·7m 20° 31´·16S., 117° 24´·18E. 10·3m 20° 32´·70S., 117° 24´·50E. 13·7m 20° 32´·56S., 117° 23´·96E. 15m 20° 31´·83S., 117° 23´·29E. 14·5m 20° 31´·57S., 117° 22´·66E. 14·2m 20° 32´·24S., 117° 22´·98E. 13·2m 20° 32´·57S., 117° 23´·24E. 13m 20° 32´·93S., 117° 22´·90E. 13·7m 20° 31´·70S., 117° 22´·01E. 2. The buoy in position 20° 34´·28S., 117° 12´·61E. has been amended to, Red Pillar Buoy, cylinder topmark, Fl.R.3s No 30. 3. Mariners are advised to navigate with caution in the area and consult the local port authorities for the latest information. 4. These changes will be included in a New Edition of Chart Aus55 to be published early 2026. (WGS84 DATUM) Chart affected - Aus 55   Wk01/26 To accompany Notice to Mariners 32/26. Image Size (mm) 132.9 by 104 Wk01/26 To accompany Notice to Mariners 32/26. Image Size (mm) 215.4 by 139.2 Wk01/26 To accompany Notice to Mariners 32/26. Image Size (mm) 222.4 by 140.2 Wk01/26 To accompany Notice to Mariners 43/26. Image Size (mm) 64.8 by 147 Wk01/26 To accompany Notice to Mariners 47/26. Image Size (mm) 111.7 by 145.9 Wk01/26 To accompany Notice to Mariners 47/26. Image Size (mm) 198.8 by 118.8 Wk01/26 To accompany Notice to Mariners 48/26. Image Size (mm) 81.3 by 131.8 Wk01/26 To accompany Notice to Mariners 78/26. Image Size (mm) 261.7 by 161.4 Wk01/26 To accompany Notice to Mariners 81/26. Image Size (mm) 79 by 97.5   Wk01/26

Source: UKHO Admiralty Notices to Mariners

Reference information — always verify against official Notices to Mariners before navigation.