AIRPORT PLANNING MANUAL 2 TIRES H38x13−18 AT 8.86 kg/cm (126 psi) 40000 17000 WEIGHT ON MAIN 15000 30000 LANDING GEAR 13000 kg (lb) 33064 (72894) 31400 (69225) 29336 (64675) 10000 20000 26892 (59287) 9000 8000 19398 (42765) 7000 6000 EQUIVALENT SINGLE WHEEL LOAD − (lb) EQUIVALENT SINGLE WHEEL LOAD − (kg) 5000 10000 30 40 50 60 70 80 90100 200 300 10 20 30 40 RADIUS OF RELATIVE STIFFNESS − (cm) LCN − LOAD CLASSIFICATION NUMBER 20 30 40 50 60 70 80 90100 RADIUS OF RELATIVE STIFFNESS − (in.) NOTES: EQUIVALENT SINGLE WHEEL LOADS ARE DERIVED BY METHODS SHOWN IN ICAO AERODROME MANUAL. PART 2, PAR. 4.1.3 EM170APM070019A.DGN Rigid Pavement Requirements - LCN Method Figure 7.12 EFFECTIVITY: EMBRAER 170 STD ACFT Section 7 MODEL Page 7-17 Dec08/03 b-apm1346