On 5 May 2022, at 23:45, Michael Coates <mcoates@...> wrote:

? I will be just legal issues, they don't want to get involved in an aircraft accident where the spark plugs may be at fault I am guessing

Bernhard Svavarsson wrote on 6/05/2022 7:18 am:

Little bit dilemma here. The Jabiru manual recommends using NGK spark plug for the engine but NGK says that NGK should NOY be used on aircraft engines. Is this due to legal or secuity reasons or both?

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