Royal Olympic Cruise Lines Inc., reported that third quarter net revenues increased by 11.3 percent to $57.1 million compared to the same period last year. For the nine months ended August 31, 2001, revenues increased by 17.6 percent to $102.6 million compared to $87.3 million during the same period in 2000. The growth in revenues in the third quarter is attributable to an improved summer cruise season and the introduction of Seawing, which contributed $8 million. Operating expenses increased by 20.4 percent or $5.5 million to $ 32.6 million for the third quarter of 2001, compared to $ 27.0 million for the same period last year. The increase in operating expenses was mainly due to the introduction of Seawing…