Maui-based aerial tour company Blue Hawaiian Helicopters has been acquired by Denver-based Air Methods Corp. for undisclosed terms.

In 2011, five people were killed the year Blue Hawaiian Helicopters celebrated its 25th anniversary, owner David Chevalier was named chairman of the board of the Helicopter Association International.

Blue Hawaiian generated consolidated revenue of approximately $47 million in the fiscal year ending Dec. 31, 2012, with a fleet comprising 24 helicopters including Eurocopter AS350s and EC130s, according to a statement.

Air Methods is the largest provider of aerial medical transport services in the U.S., the company said.