DUBAI, Feb 26 (Reuters) - Qatar Navigation QNNC.QA (Milaha) swung to a loss in the fourth quarter on Sunday, according to Reuters calculations.

Net loss of 47.7 million riyals ($13.1 million) in the three months ending Dec. 31 versus profit of 135.9 million riyals a year earlier.

Reuters calculated based on financial statements in lieu of a quarterly breakdown.

QNB Financial Services had forecast profit of 142.4 million riyals. urn:newsml:reuters.com:*:nL5N1FC01S

Milaha 12-month net profit 711 million riyals, down from 1.10 billion riyals a year ago, a bourse statement said.

(Reporting by Hadeel Al Sayegh; Editing by Andrew Torchia) ((Hadeel.AlSayegh@thomsonreuters.com; +971566883310;))