P50

Elimination of P50 rule, P-50, or P.50 may refer to:

Aircraft

• Grumman XP-50, an American twin-engine heavy fighter prototype of 1941
• Percival P.50 Prince, a late 1940s British light transport aircraft
• Piaggio P.50, an Italian heavy bomber prototype of 1937-1938
• Pottier P.50, a French racing aircraft developed in the late 1970s
• PZL P-50 Jastrzab, a Polish fighter of the late 1930s

Other uses

• P50 (biochemistry), the partial pressure of a gas required to achieve 50% enzyme saturation
• P50 (neuroscience), an auditory event related potential recorded using EEG
• Honda P50, a moped
• Median, or fiftieth percentile
• Papyrus 50, a New Testament manuscript
• Pauza P-50, a sniper rifle
• Peel P50, a three-wheeled microcar
• Elimination of P50 rule