AIRPORT PLANNING MANUAL FLEXIBLE PAVEMENT SUBGRADE NOTES: H38 x 13−18 TIRE SIZE 2 TIRE PRESSURE 8.86 kgf/cm (126 psi) (UNLOADED) 30 SBGRADE STRENGTH ULTRA LOW − CBR=3% 25 LOW − CBR=6% MEDIUM−CBR=10% HIGH−CBR=15% 20 15 10 5 MAXIMUM RAMP WEIGHT AIRCRAFT CLASSIFICATION NUMBER−ACN 0 22000 24000 30000 34000 20000 26000 28000 32000 36000 38000 36150 AIRCRAFT GROSS WEIGHT−kg 44000 48000 60000 64000 68000 72000 76000 84000 52000 56000 80000 AIRCRAFT GROSS WEIGHT−lb EM170APM070016A.DGN ACNFor Flexible Pavement Figure 7.14 EFFECTIVITY: EMBRAER 170 STD ACFT Section 7 MODEL Page 7-20 Dec08/03 b-apm1346