1.1 ,This standard practice provides the minimum required powerplant instruments along with information on how that information is provided to the flight crew or pilot of Normal Category Level 1, 2, 3, or 4 aeroplanes. The material was developed through open consensus of international experts in general aviation. This practice does not consider remotely piloted aeroplanes, nor does it consider electric or hybrid-electric aeroplanes. The content may be more broadly applicable, it is the responsibility of the applicant to substantiate broader applicability as a specific means of compliance.