“I’m urging Congress to pass this legislation to make further improvements to airline safety.” Source: News release from Senator Bob Casey (D-PA) on the introduction in the U.S. Senate of the Saracini Aviation Safety Act of 2013 to further secure airliner cockpits.
Started in 1997 by an aviation enthusiast in Estonia, the site claims to be "the biggest helicopter collection in the world, more than 700 helicopters and autogyros."