I live about 20 kilometers from Helsinki Airport or (IATA: HEL, ICAO: EFHK). http://en.wikipedia.org/wiki/Helsinki_Airport
I've been googling now for a couple of years of an unknown grey plane that landed over our house in the beginning October 2009 at 4 pm local time. This happened just a few days before Hillary Clinton visited Moscow and I came in to the conclusion that this plane somehow had something to do with Mrs Clinton's visit to Russia.
The plane was un-marked, shining new, no visible windows, military gray in color and with 3 propeller engines on both wings. I saw the plane for about 15 seconds at an altitude of about 700 to 1000 meters, which is the normal altitude for approaching planes from this direction (NW). I saw it from the right hand side, underneath and from behind as it was decending towards the Helsinki Airport.
It looked very much like Fokker 50, but with much longer wings and fuselage. And it was absolutely not C-130, but much lighter looking. Even resembled U-2 but with 6 propeller engines. And I am absolutely sure it had those 6 propeller engines, because I saw 6 lines of exhaust smoke leaving the plane. I have talked with a lot of people who work at the airport and for Finnair and other companies, but nobody has seen or heard anything. Maybe it just did a flyover.
I would really appreciate if somebody would be able to solve this mystery.
This news is about Mrs Clinton’s visit to Moscow in 2009: