A pilot died after an ultralight aircraft crashed shortly before 4:30 p.m. Saturday at Chehalem Airpark on Aviation Way, northwest of Newberg, officials said. Tualatin Valley Fire & Rescue and Dundee Fire crews responded. The pilot was conscious when first responders arrived, but his condition deteriorated rapidly, according to Tualatin Valley Fire & Rescue. Crews attempted lifesaving interventions, but he died from his injuries. The fire agency said it initially sent a large response and later recalled some units. Officials did not provide information about what caused the crash or identify the pilot. The incident remained under investigation.