Microsoft Flight Simulator Helsinki Airport Add-On Released by JustSim Today third-party add-on developer JustSim released its Helsinki Airport for the popular Microsoft Flight Simulator. By Today third-party add-on developer JustSim released its Helsinki Airport for Microsoft Flight Simulator. The main international airport of the capital of Finland is perhaps quite appropriate for the season, and it’s available for purchase on SimMarket for about $22 plus applicable VAT. Below you can check out a gallery of screenshots and an extensive official description. “Helsinki-Vantaa Airport (IATA: HEL, ICAO: EFHK; Finnish: Helsinki-Vantaan lentoasema, Swedish: Helsingfors-Vanda flygplats), or simply Helsinki Airport, is the main international airport of the city of Helsinki, its surrounding metropolitan area, and the Uusimaa region. The airport is located in the neighboring city of Vantaa, about 5 kilometres west of Tikkurila, the administrative center of Vantaa and 9.2 NM (17.0 km; 10.6 mi) north of Helsinki city center. The airport is operated by state-owned Finavia.