Les Abend : How did gyrocopter fly on to Capitol grounds when FAA , defense forces keep tight rein on airspace ? He says gyrocopter may be lightweight and slow enough that it evaded radar . Comment: such a flight could pose a serious danger .
Les Abend : How did gyrocopter fly on to Capitol grounds when FAA , defense forces keep tight rein on airspace ? He says gyrocopter may be lightweight and slow enough that it evaded radar . He says it 's unlikely such a flight could pose a serious danger .