Chart correction 1807 — chart JP 53
Chart JP 53 [ previous update 104/25 ] WGS84 DATUM Insert depth, 205 , and extend limit of foul ground area, pecked line, N to enclose (a) 40° 35´·7N., 141° 31´·7E. Delete depth, 225 , close S of: (a) above Wk18/25 II 2.23
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.