Beech H18 trigear N21S (BA-690) at Kailua-Kona, Hawaii in August 1981 owned by Panorama Air Tour, part of a formation of Beech 18 trigears carrying tourists on the "All Islands in A Day Tour". On this day the tourist formation comprised 16 Beech 18s from three different companies. Photo: Geoff Goodall

GEOFF GOODALL'S AVIATION HISTORY SITE www.goodall.com.au