Section 05 MINERAL PRODUCTS 27 Mineral fuels, mineral oils and products of their distillation; bitumi nous subs 27 10 Petroleum oils and oils obtained from bituminous minerals, other than crude; pre 27 10 12 Aviation spirit (Aviation gasoline or Avgas) 27 10 12 20 Aviation spirit (Aviation gasoline or Avgas) Commodity Code Description 27 10 12 20 00 Aviation spirit