TM 1-1510-225-10 7-57 MAXIMUM CRUISE POWER 1700 RPM ISA + 37 °C NOTES: IOAT, TORQUE, AND FUEL FLOW BASED ON 12,000 POUNDS. TO OBTAIN FUEL FLOW PER ENGINE, DIVIDE  THE TOTAL FUEL FLOW  VALUE FOR THE CORRESPONDING ALTITUDE BY TWO. AIRSPEED ~ KNOTS PRESSURE ALT IOAT    OAT TORQUE PER ENGINE TOTAL FUEL FLOW 13,000 LB 12,000 LB 11,000 LB 10,000 LB FEET ° C ° C FT-LB % LB/HR IAS TAS IAS TAS IAS TAS IAS TAS SL 58 52 2230 100 968 229 245 231 246 232 247 232 248 2000 54 48 2230 100 940 227 249 228 251 229 252 230 253 4000 50 44 2230 100 912 225 254 226 255 227 257 228 258 6000 46 40 2230 100 886 222 259 223 260 224 262 225 263 8000 43 36 2185 98 846 217 261 219 263 220 265 221 266 10,000 39 32 2096 94 798 211 262 213 264 215 266 216 268 12,000 35 28 1985 89 744 204 262 206 264 208 266 209 268 14,000 31 24 1918 86 712 200 264 201 266 203 269 205 270 16,000 27 20 1873 84 680 194 265 196 268 198 270 200 273 18,000 23 16 1806 81 650 188 266 191 269 193 271 195 275 20,000 19 12 1762 79 628 183 267 186 271 188 274 190 277 22,000 15 8 1695 76 602 177 267 180 272 183 276 185 279 24,000 11 4 1583 71 562 168 263 172 269 175 274 178 278 26,000 7 0 1472 66 520 158 257 163 264 167 270 170 276 28,000 3 -4 1360 61 478 146 246 153 257 157 265 162 272 29,000 0 -5 1293 58 458 136 234 147 252 152 261 157 2669 31,000 -5 -9 1182 53 420 – – – – – – 134 234 142 253 148 263 33,000 -9 -13 1093 49 390 – – – – – –     – – –     – – – 127 236 137 254 35,000 -13 -17 1004 45 358 – – – – – –     – – –     – – –     – – – – – – 123 237 Figure 7-53.  Maximum Cruise Power, 1700 RPM, ISA + 37 °C