Chart correction N16/21 — chart 37226
37226 19Ed. 3/9/13 LAST NM N15/21 N16/21 Delete Depth 15.9 meters 53°54′47″N 8°41′17″E Depth 16.7 meters 53°54′55″N 8°41′01″E Buoy “Mess-G” 53°51′17″N 8°55′26″E (See N44, N47/20) Add Depth 13.7 meters 53°54′54″N 8°41′11″E (10(1610)21 Hamburg; DEU CH 44)
Source: NGA U.S. Notice to Mariners · edition: 19Ed. 3/9/13
Reference information — always verify against official Notices to Mariners before navigation.