Immelmann turn
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English
[edit]Etymology
[edit]Named after the German pilot Max Immelmann.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/e/e9/WW1Immelmann.png/220px-WW1Immelmann.png)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Immelmann_turn.svg/220px-Immelmann_turn.svg.png)
Noun
[edit]Immelmann turn (plural Immelmann turns)
- (military, aviation, archaic) A WWI-era fighter pilot maneuver resembling the aerobatic wingover or hammer-head turn, originally developed by Max Immelmann.
- (aviation) The roll-off-the-top aerobatic maneuver, where an aircraft in upright level flight pulls up through one-half of an inside loop until in level inverted flight and then rolls upright, ending up in upright level flight in the opposite direction at a higher altitude; a reverse split S.