This report describes field activities and data analyses for aerial surveys of bowhead whales (Balaena mysticetus) conducted during fall 2006 (2 September – 16 October), fall 2007 (3 September – 10 October), and fall 2008 (5 September – 18 October) in the Beaufort Sea, between 140°W and 158°W, south of 72°N and north of the Alaskan coastline.