DAVID CLARKE Sheffield Hallam University, UK e-mail: david.clark@shu.ac.uk. PAUL FULLER MARTIN SHOUGH National Aviation Reporting Centre on Anomalous Phenomena (NARCAP) e-mail: parcellular@btinternet.com Abstract—Unusual atmospheric phenomena (UAPs) were observed in daylight by multiple observers on board two civil aircraft in widely separated locations. We summarise results of an investigation based on radio communications reporting events in real time to Air Traffic Control (ATC) ... Read even more
