A Stinson Reliant poton aircraft (IMAGE) University of Copenhagen - Faculty of Science Caption A Stinson Reliant poton aircraft (callsign LN-BAR) was used for aerial photography. The aircraft had a range of around 1200 km and an automatic Zeiss camera was mounted in the floor of the aircraft. Copyright Norwegian Polar Institute Credit Copyright Norwegian Polar Institute Usage Restrictions With credit License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.