Originally Posted by
megan
Happened to the famed Bob Hoover in his Aero Commander. Survived the crash, and went onto develop the "Hoover Nozzle" in an attempt to prevent misfueling.
Some Jet A1 nozzles had a flange on them which was supposed to prevent them from being inserted in an Avgas tank opening. But they were a pain in the proverbial, because there were some turbine aircraft tank openings that they didn't fit in properly which necessitated changing the nozzle to the normal one.
DF.