Chart correction N21/23 — chart 63337
63337 17Ed. 08/30/14 LAST NM N52/22 N21/23 Delete Dangerous wreck (PA) 22°05′42″N 91°31′26″E Substitute Depth 4.9 meters Wk [K26] for swept depth 9.5 meters Wk 22°15′33″N 91°44′19″E Add Dangerous wreck [K28] 22°05′49″N 91°31′29″E (Plan) Substitute Depth 4.9 meters Wk [K26] for swept depth 9.5 meters Wk 22°15′32.7″N 91°44′18.7″E (9(95)23 Dehra Dun)
Source: NGA U.S. Notice to Mariners · edition: 17Ed. 08/30/14
Reference information — always verify against official Notices to Mariners before navigation.