D14

D14, D.XIV or D.14 may refer to :

• Dewoitine D.14, a French Dewoitine aircraft
• Fokker D.XIV, a 1925 Dutch fighter aircraft
• HMS Armada (D14), a 1943 British Royal Navy a Battle-class destroyer
• HMS Avenger (D14), (1940, 1942), a British Royal Navy escort aircraft carrier
• Honda D engine#D14 Series Engines (1.4 Litre) (1987, 1998), a range of Honda car engines
• MGWR Class D16, a 1880 Irish failed experiment in rebuilding tried and tested 2-4-0 steam locomotives
• PRR D14, a 1893 Pennsylvania Railroad type of steam locomotive
• Allis-Chalmers D Series

and also :

• D14/4 (1968, 1969), a BSA Bantam motorbike
• Benign neoplasm of middle ear and respiratory system ICD-10 code

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