(Reference chart: United States 21441, 1986 edition.
Note: This chart is based on the World Geodetic System 1972 datum)
Description of a precautionary area and areas to be avoided
(a) Precautionary area
A precautionary area is established by an arc of a circle of four miles
radius centred on the lighthouse of Salina Cruz, Oaxaca, Mexico, at geographical position:
(22) 16°09'.70 N, 95°12'.24 W
starting at the coastline at geographical position:
(17) 16°07'.85 N, 95°15'.90 W
as far as geographical position:
(13) 16°05'.75 N, 95°12'.73 W
continuing in a straight line as far as geographical position:
(16) 16°05'.75 N, 95°10'.00 W
and from geographical position (16) in a straight line as far as the
coastline at geographical position:
(18) 16°09'.95 N, 95°10'.00 W
(b) Areas to be avoided
The following areas to be avoided by ships that are not going to carry
out operations at the single point moorings and the oil terminal at the port of Salina
Cruz, Oaxaca, Mexico, are established within the precautionary area:
Three circular areas to be avoided, each bounded by a circle of 400 m
radius, centred respectively on the following geographical positions:
(19) 16°08'.63 N, 95°12'.94 W
(20) 16°08'.41 N, 95°13'.75 W
(21) 16°07'.11 N, 95°13'.28 W
Note:
Ship movement in the port area is monitored and supervised by a Port
Vessel Traffic Supervisor on a 24-hour basis. Any ship planning to enter this
precautionary area is requested to contact the Salina Cruz Port Vessel Traffic Supervisor
on channel 6 VHF and follow his advice while transiting the areas.
