Declassified UFO / UAP Document
ER-rapporten (ER-report)
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AI-Generated Summary
A handwritten report from F16 (Uppsala) analyzing an aerial observation. The author calculates a speed of 33-50 m/s and questions if the object was a bird or other disturbance.
This document is a handwritten field report, titled 'ER-rapporten' (ER-report), concerning an aerial observation near F16 (Uppsala). The report includes a hand-drawn sketch of a trajectory and mathematical calculations to determine the speed of the observed object. The author notes a duration of 4 minutes for the observation and distance measurements of 8 km and 7.5 km. Based on these figures, the author calculates a speed of 33 meters per second. The author acknowledges the possibility of measurement error but suggests the speed could be as high as 50 meters per second. The report concludes by questioning the nature of the object, specifically asking if it could be a bird or some other form of disturbance.
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Official Assessment
The author calculates a speed of 33 m/s based on an observation time of 4 minutes and distance measurements of 8 km and 7.5 km. The author notes that even if measurement errors are assumed, the speed could be considered high, potentially reaching 50 m/s. The author questions if the object was a bird or another disturbance.