Chart correction 22/20 — chart 57101
57101 18Ed. 9/11/93 LAST NM 37/19 22/20 (Plan) Add Area bound by dashed-line circle, radius 400 meters, with legend “Turning Circle” centered 6°26′05.9″N 3°23′55.8″E Area bound by dashed-line circle, radius 240 meters, with legend “Turning Circle” centered 6°25′50.9″N 3°21′58.9″E (See 40/19) (14(1699)20 Taunton)
Source: NGA U.S. Notice to Mariners · edition: 18Ed. 9/11/93
Reference information — always verify against official Notices to Mariners before navigation.