"The law was passed by Chancellor Gerhard Schroeders centre-left government in reaction to the September 11, 2001 terrorist attacks on the US and after an apparently deranged man buzzed skyscrapers in Frankfurt with an ultralight aircraft in January 2003.
German air force jets were send out to intercept the plane which landed without causing damage"
That must've been one hell of a slow chase for those jets. Those suckers aren't very fast.