Chart correction 37/21 — chart 52172
52172 2Ed. 8/12/95 LAST NM 33/21 37/21 Change Characteristic of buoy “1” to Fl G 4s 35°49′34″N 10°39′57″E Add Buoy “2” R, can, can topmark, Fl R 5s 35°49′20″N 10°39′52″E (Plan) Delete Buoy “1” 35°49′33.6″N 10°39′55.3″E Add Buoy “1” G, conical, cone topmark, Fl G 4s 35°49′30.9″N 10°39′49.0″E Buoy “2” R, can, can topmark, Fl R 5s 35°49′20.3″N 10°39′51.5″E (32(90)12, 39(142)20 Brest; UKHO ARCS 1162-2)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 8/12/95
Reference information — always verify against official Notices to Mariners before navigation.