A common reference for "071" in a reporting context is the NTSB Final Report for accident WPR16LA071 , which involves a Weight-Shift Control (WSC) aircraft.
The flight lasted approximately 16 seconds. Upon takeoff, the aircraft climbed rapidly, entered a steep right bank, and failed to recover, reaching a maximum altitude of about 80 feet. 071.jpg
Wind was reported as light, and the engine run-up appeared normal before takeoff. Historical & Administrative References A common reference for "071" in a reporting
Some versions of this file in public archives (like Flickr) carry a modified timestamp from March 2007. the aircraft climbed rapidly