16 $583 $600 Total Direct Operating Costs Per Hour $3,517 $3,270 $3,435 Cost Assumption Fuel burn calculated for a 1.000 nm stage length with NBAA IFR Reserves (no fuel tankering) at LRC (G650ER/G500/G600 = M0.85). typical BOW and typical payload. Actual fuel burns will vary with cruise speed, payload. BOW.