Six Grand.

The article talks about the delivery of its 6,000th aircraft to a commercial customer by Schweizer Aircraft Corp. in the U.S. Of the aircraft produced since the company began 70 years ago, more than 1,000 have been rotorcraft. Schweizer became a subsidiary of Sikorsky Aircraft Corp. in 2004. It sells commercial helicopters and also manufactures the Fire Scout vertical takeoff unmanned aerial vehicle under contract to Northrop Grumman Corp.