Add | NOTE: AREA TO BE AVOIDED (ATBA) | NOTE: AREA TO BE AVOIDED (ATBA) The entire area of this chart falls within an Area to be Avoided. All ships 400 gross tonnage and upwards solely in transit should avoid the Area. This Area is IMO-Adopted (MSC IMO SN.1/Circ.331); to be implemented at 0000 UTC, JAN 1, 2016. | N 51° 47' 31.000" | W 176° 49' 45.000" | LNM 51/15, 17th Dist | 2491 | 16474_1 | 12/17/2015 | 12/17/2015 |