SPAD

SPAD may refer to:

In aircraft manufacture

• Société Pour L'Aviation et ses Dérivés, also Société Provisoire des Aéroplanes Deperdussin and Blériot-SPAD, French aircraft manufacturer (1912–1921)
• SPAD VII, SPAD S.XII and SPAD S.XIII, French fighter planes of World War I produced by Société Pour L'Aviation et ses Dérivés
• A-1 Skyraider, nicknamed Spad, an attack aircraft (1950s and 1960s)
• Simple Plastic Airplane Design, a type of radio-controlled airplane

In science

• Single pass albumin dialysis, a simple technique for liver dialysis
• Single-photon avalanche diode, a solid-state electronic photodetector
• Specific antipolysaccharide antibody deficiency, a type of primary immunodeficiency

Other uses

• Special adviser, informal shorthand for a post in the British Government
• Self-propelled air defence, a self-propelled anti-aircraft weapon
• Signal passed at danger, when a train passes a signal on red
• The Malay language acronym of the Land Public Transport Commission of Malaysia

See also

• Spade (disambiguation)