Fuel Contamination

Contaminated fuel still remains one of the primary causes of fuel starvation and engine failure in light piston engine aircraft. Most of these aircraft use 100LL Avgas (the LL stands for low lead), which has all but replaced the old 100/130 Avgas, which contains a higher amount of tetraethyl lead. Two of the primary forms of contamination are water and cross contamination with jet fuel, the most common commercial jet fuel being Jet A-1. Early in our flying careers we are taught how to check for fuel contamination during our pre-flight checks. The usual method is to drain a quantity of fuel from the Read More …