**Exhibit 31.1** CERTIFICATIONI, Edward Terino, certify that:1. I have reviewed this Quarterly Report on Form 10-Q for the quarter ended March 31,2008 of Arlington Tankers, Ltd.; 2. Based on my knowledge, this report does not contain any untrue statement of amaterial fact or omit to state a material fact necessary to make the statements made, in light ofthe circumstances under which such statements were made, not misleading with respect to the periodcovered by this report;3. Based on my knowledge, the financial statements, and other financial informationincluded in this report, fairly present in all material respects the financial condition, resultsof operations and cash flows of the registrant as of, and for, the periods presented in thisreport; 4. I am responsible for establishing and maintaining disclosure controls andprocedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control overfinancial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrantand have:(a) Designed such disclosure controls and procedures, or caused such disclosure controlsand procedures to be designed under my supervision, to ensure that material information relating tothe registrant, including its consolidated subsidiaries, is made known to me by others within thoseentities, particularly during the period in which this report is being prepared; (b) Designed such internal control over financial reporting, or caused such internalcontrol over financial reporting to be designed under my supervision, to provide reasonableassurance regarding the reliability of financial reporting and the preparation of financialstatements for external purposes in accordance with generally accepted accounting principles; (c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures andpresented in this report my conclusions about the effectiveness of the disclosure controls andprocedures, as of the end of the period covered by this report based on such evaluation; and (d) Disclosed in this report any change in the registrant’s internal control over financialreporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourthfiscal quarter in the case of an annual report) that has materially affected, or is reasonablylikely to materially affect, the registrant’s internal control over financial reporting; and 5. I have disclosed, based on my most recent evaluation of internal control overfinancial reporting, to the registrant’s auditors and the audit committee of the registrant’s boardof directors (or persons performing the equivalent functions): (a) All significant deficiencies and material weaknesses in the design or operation ofinternal control over financial reporting which are reasonably likely to adversely affect theregistrant’s ability to record, process, summarize and report financial information; and (b) Any fraud, whether or not material, that involves management or other employees whohave a significant role in the registrant’s internal control over financial reporting.          /s/ EDWARD TERINO   Name:  Edward Terino  Date:  May 9, 2008 Title:  Chief Executive Officer and Chief Financial Officer