UPDATE 1-World Fuel Services Q3 profit beats Street

* Q3 EPS $0.97 vs. est. $0.81

* Aviation segment helps

* Revenue down 41 percent

* Stock up 6 pct in after-market trade

Nov 3 (Reuters) - World Fuel Services Corp (INT.N), which provides fuel and services to aircrafts, ships and tanker truck loading terminals, reported better-than-expected quarterly earnings, helped by the strength in its aviation segment.

"Our aviation segment posted strong sequential volume growth, resulting in the first year-over-year increase in five quarters and achieving volumes not seen since the second quarter of 2008," Chief Executive Paul Stebbins said in a statement. Net income for the third quarter was $29.1 million, or 97 cents a share, compared with $40.1 million, or $1.37 a share, in the year-ago quarter.

Excluding share-based compensation and amortization of acquired intangible assets, the company earned $1.04 a share.

Revenue fell 41 percent to $3.20 billion.

Analysts on average expected earnings of 81 cents a share on revenue of $3.02 billion, according to Thomson Reuters I/B/E/S.

Shares of the company were up 6 percent at $55.50 in trading after the bell. They closed at $52.12 Tuesday on the New York Stock Exchange. (Reporting by Hezron Selvi in Bangalore; Editing by Unnikrishnan Nair)