title: R31
text: # R31
  
  R31 or R-31 may refer to:
  
  ## Automobiles
  
  * Nissan Pintara (R31), a compact car sold in Australia
  * Nissan Skyline (R31), a mid-size car
  * Renault R31, a Formula One racing car
  
  ## Aviation
  
  * R31 (airship), of the Royal Navy
  * Renard R.31, a Belgian reconnaissance aircraft
  * Rubik R-31 Dupla, a Hungarian training glider
  
  ## Other uses
  
  * R-31 (missile), a Soviet submarine-launched ballistic missile
  * R31 (South Africa), a road
  * Chlorofluoromethane, a refrigerant
  * Grendel R31, an American semi-automatic carbine
  * Herero language
  * HMS Warrior (R31), an aircraft carrier of the Royal Navy
  * R31: Contact with acids liberates toxic gas, a risk phrase
  