 BLOOMFIELD, Conn.--BUSINESS WIRE--Kaman Air Vehicles, a division of Kaman Corporation NYSE:KAMN, announced today it delivered a new medium-to-heavy lift K-MAX helicopter to Black Tusk Helicopter Inc. of Squamish, BC, Canada. Black Tusk performs various external lift projects of every scale, ranging from aerial timber harvesting, ski tower setting, firefighting, and hydroelectric projects. Black Tusk is a highly respected operator and we appreciate the confidence they have placed in Kaman 