Salary $25,000 to $35,000 per month. Port Authority of Trinidad and Tobago Governing Unit (PATTGU)The Port has been the gateway to the capital of the Twin Island of the Republic of Trinidad and Tobago for more than seventy years, but was officially named the Port Authority of Trinidad and Tobago on June 14th 1962. The Port Authority of Trinidad and Tobago (PATT) is a Statutory Authority which was established by Act 39 of 1961, known as the Port Authority Act, Chapter 51:01. The Act provides for a coordinated and integrated system of harbour facilities and port services. Port Authority of Trinidad and Tobago Governing Unit (PATTGU).Port of Spain Infrastructure Company (POSINCO) - the landlord unit. Port of Port of Spain (PPOS) - the cargo handling unit. Trinidad and Tobago Inter-Island Transportation Company (TTIT) - the inter-island ferry service