Jet Fuel ( Jet A1 ) and Dual Purpose Kerosene are one and the same thing. Tofauti tu Ni water content . DPK is exposed to air and absorbs water . Jet A1 is devoid of any water to avoid the fuel from freezing mid air. .
There are three types of Kerosene in Kenya.
Dual Purpose Kerosene which has zero additives.
Parrafin which has only anti rust added to it.
Jet fuel is Kerosene with metal deactivates, antifreeze, detergent etc
nautical miles -in flying and sailing The nautical mile is one minute of latitude i.e equal to one minute of arc around the sphere of Earth. It is longer than a mile (equal to 1.151 miles) . Knowing your latitude you also know the factor to determine what one minute of longitude is,helps to quickly read charts since there's no physical geographical points of refference
jet fuel-, unleaded kerosene (Jet A-1), with other additives injected into the mix
parrafin- a flammable hydrocarbon produced from petroleum oil.