Chart correction 1777 — chart 1781

Chart 1781 [ previous update 5530/21 ] CGCS 2000 DATUM Insert the accompanying block, centred on: 23° 33´·3N., 117° 07´·4E. legend, Works in progress (2023), centred on: 23° 34´·68N., 117° 08´·35E. limit of fairway, pecked line, joining: 23° 32´·53N., 117° 04´·17E. (a) 23° 29´·62N., 117° 09´·89E. and 23° 32´·46N., 117° 04´·17E. (b) 23° 29´·48N., 117° 10´·03E. Delete former limit of fairway, pecked line, joining: (a) above (b) above Insert depth, 5, enclosed by 5m contour (c) 23° 32´·28N., 117° 04´·42E. Delete depth, 71 , close SE of: (c) above Insert depth, 95 , and extend 10m contour SE to enclose 23° 31´·83N., 117° 05´·44E. depth, 9, and extend 10m contour E to enclose 23° 31´·75N., 117° 05´·43E. depth, 95 , enclosed by 10m contour (d) 23° 31´·80N., 117° 05´·74E. Delete depth, 105 , close SW of: (d) above Insert depth, 99 , enclosed by 10m contour 23° 31´·65N., 117° 05´·80E. (e) 23° 31´·54N., 117° 05´·81E. Delete depth, 107 , close NW of: (e) above Insert depth, 94 , enclosed by 10m contour 23° 31´·41N., 117° 05´·34E.

Source: UKHO Admiralty Notices to Mariners

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