19990305002012A

Superior aviation cargo acft was holding on twy "a" preparing for departure when it was struck from behind by another superior aviation SW-4 acft, N328BA, which was in line behind N151SA, both acft have substantial damage, no injuries were reported. Other circumstances are unknown. (-23) on 3-5-99 N328BA struck N151SA from the rear while taxiing for takeoff at the Denver International Airport. Both aircraft received substantial damage and there were no injuries. Both aircraft were operated by superior aviation in scheduled cargo operations under 14 CFR part 135. The pilot of N151SA,privacy data omittedstopped behind a twin Cessna he was following and felt a shudder. The shut down his engines, deplaned and saw that N328BA had struck his aircraft from the rear. (.4)N328BA was partially deiced at the ramp when they ran out of deicing fluid. The pilot asked the ramp crew to meet him at the deicing pad on the south end of the airport to finish deicing the aircraft. The pilot received taxi clearance and instructions to hold short on the taxiway, and to contact ground control. Prior to reaching the taxiway hold short lines, he rece ived clearance to taxiway to the runway. He then realized he had forgotten to advise ramp control that he needed to deice the aircraft. According to the pilot of N328BA, at that time, he looked up and noticed that N151SA was stopped in from of him. N328BA then impacted N151SA, striking the tail section of N151SA, causing substantial damage to the left side of the fuselage extending from the cargo door aft. The pilot of N328BA stated in a telephone interview that while taxing, he performed a brake test and observed no discrepancies. Immediately following the accident, a brake test was performed in the presence of the iic and two FAA inspectors. The brakes were found to be operational. Toxicologial examination were performed on both pilots and the results were negative.