F9, F09, F.IX, F 9 or F-9 can be one of:

• Falcon 9, a rocket-powered spaceflight launch system designed and manufactured by SpaceX
• F-9 Cougar, a swept wing version of the F9F Panther
• F-9 Flying Fortress, a reconnaissance variant of the B-17 Flying Fortress
• F 9 Säve, a former Swedish Air Force wing
• F9 visual arts
• F9 Financial Reporting
• EMD F9, a locomotive
• Fokker F.IX, a 1929 Dutch airliner
• LSWR F9 class, a British LSWR locomotive

and also :

• F9F Panther, a United States Navy fighter aircraft in the Korean War
• F9C Sparrowhawk, a biplane parasite fighter from the 1930s originally designed for airships
• Frontier Airlines, IATA airline designator
• Factor IX, a coagulation factor
• a function key on a computer keyboard
• F09 : Unspecified organic or symptomatic mental disorder ICD-10 code

See also [link]

• 9F (disambiguation)

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