Chart correction N42/23 — chart 37226
37226 19Ed. 03/09/13 LAST NM N37/23 N42/23 Delete Buoy "NFW 1" 54°01′26″N 8°38′07″E Substitute Foul ground symbol [K31.1] for buoy "NFW 5" 54°01′31″N 8°40′11″E Foul ground symbol [K31.1] for buoy "NFW 3" 54°01′13″N 8°39′28″E Foul ground symbol [K31.1] for buoy "NFW 7" 54°01′47″N 8°40′48″E Add Foul ground symbol [K31.1] 54°01′14″N 8°38′45″E Legend “CAUTION NO 4” between 54°01′14″N 8°38′45″E 54°01′47″N 8°40′48″E Depth 9.1 meters 53°58′47″N 8°23′52″E and extend depth contour (10-meter) E to enclose Add Buoy "Robbenloch" RW, spherical, ball topmark [Q130.5] 53°57′50″N 8°18′40″E (See N37/23) (36(1220), 37(1220), 38(1360)23 Hamburg; DEU CH 1610)
Source: NGA U.S. Notice to Mariners · edition: 19Ed. 03/09/13
Reference information — always verify against official Notices to Mariners before navigation.