Chart correction 01/23 — chart 12270

★12270 40Ed. 07/01/19 LAST NM 48/22 01/23 Change Characteristic of light "1" to QG 38°58′45″N 76°20′41″W Characteristic of light "6" to Fl R 2.5s 38°58′49″N 76°20′19″W Period of light "3" to 2.5s 38°58′48″N 76°20′29″W Period of light "4" to 2.5s 38°58′47″N 76°20′29″W Period of light "5" to 2.5s 38°58′50″N 76°20′20″W Period of light "8" to 4s 38°58′48″N 76°20′07″W (49/22 CG5)

Source: NGA U.S. Notice to Mariners · edition: 40Ed. 07/01/19

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