Jagdstaffel 89

{{Infobox military unit

|unit_name= Jasta 89

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|dates=1918

|country= Kingdom of Prussia, German Empire

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|branch=Luftstreitkräfte

|type=Fighter squadron

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|battles= World War I

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Royal Prussian Jagdstaffel 89, commonly abbreviated to Jasta 89, was a "hunting group" (i.e., fighter squadron) of the Luftstreitkräfte, the air arm of the Imperial German Army during World War I.{{sfnp|Franks|Bailey|Guest|1993|p=55}}