EASA SIB 2009-02: Piston Engine Powered Aircraft, Operated on Automotive- or Jet Fuel

What to do

Owners and operators should verify that only fuels approved by the engine and airframe certification holders are used in piston engine powered aircraft. Certification holders must continue monitoring fuel standards and cooperate with the oil industry to address any changes. There are no mandatory requirements or compliance deadlines stated, but adherence to approved fuel use is strongly recommended to ensure safety.

Summary

EASA Safety Information Bulletin 2009-02 is an informational document addressing the operation of piston engine powered aircraft on automotive fuel (mogas) or jet fuel. It applies to all piston engine aircraft approved for such fuels and highlights the responsibilities of engine and airframe certification holders to ensure safe operation with approved fuels. The bulletin emphasizes that only fuels approved in the certification documentation should be used to avoid unsafe conditions.

What changed

This bulletin introduces guidance and reminders regarding the use of non-aviation fuels such as automotive fuel and jet fuel in piston engine powered aircraft. It clarifies that fuel specifications for automotive and jet fuels differ from aviation fuels and that certification holders must monitor fuel parameter changes and implement limitations as necessary. It also references previous related safety notices and bulletins to support safe operation.

Why it matters

This information is important for aviation professionals because using non-approved fuels or operating outside approved fuel limitations can lead to unsafe conditions affecting engine performance and safety. Operators, maintenance organizations, and compliance teams must understand the risks associated with fuel variations and ensure adherence to approved fuel types to maintain airworthiness and operational safety.