For each airplane subject to this part, including an airplane subject to the change criteria of § 1030.35 , a fuel efficiency metric value must be calculated in units of kilograms of fuel consumed per kilometer using the following equation, rounded to three decimal places:
Where:
SAR = specific air range, determined in accordance with § 1030.23 .
RGF = reference geometric factor, determined in accordance with § 1030.25 .
40 C.F.R. §1030.20