 Operators employed a weathervane effect to try and regain control, but its 2,000 lb load began to swing, which exacerbated the effect and caused it to contact the ground.The crash report determined that it could have been prevented if pilots intervened earlier and mission planners received updated weather reports; diverging conditions and insufficient programming meant it could not recover on its own and required human intervention.At the 2013 Paris Air Show, Kaman promoted the unmanned K-MAX to foreign buyers.