K Kerosene (tanker – UK designator).
Ka Kamov (Russian design bureau).
KAI Korean Aerospace Industries (South Korea).
kbit One thousand bits of memory.
Kevlar Aramid fibre used as basis of high-strength composites material.
kg Kilogram (2.20462 lb).
kitbuilt Prefabricated aircraft for amateur assembly.
KK Kabushiki Kaisha (Japanese company constitution
km/h Kilometres per hour.
kN KiloNewtons (Nx103). See N.
knot 1 n mile per hour (1.852 km/h; 1.15078 mph).
Krueger flap Hinges down and then forward from be the leading-edge.
kW Kilowatt, SI measure of all forms of power (not just electrical). Equal to 1000 Watts.