TM 1-1510-225-10 7-77 MAXIMUM CRUISE POWER 1800 RPM ISA 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 20 15 2230 100 946 240 241 241 242 242 243 243 244 2000 16 11 2230 100 920 238 246 239 247 240 248 240 248 4000 13 7 2230 100 892 235 250 236 251 237 252 238 253 6000 9 3 2230 100 866 233 255 234 256 235 257 236 258 8000 5 -1 2230 100 844 230 260 232 261 233 262 234 263 10,000 1 -5 2230 100 822 228 265 229 266 230 267 231 269 12,000 -2 -9 2230 100 800 226 270 227 272 228 273 229 274 14,000 -6 -13 2230 100 786 223 275 224 277 226 278 227 280 16,000 -10 -17 2230 100 776 221 281 222 283 223 284 224 285 18,000 -13 -21 2119 95 772 213 281 216 283 217 285 218 287 20,000 -17 -25 2029 91 734 207 282 209 284 211 286 212 288 22,000 -21 -29 1940 87 698 201 282 203 284 204 287 206 289 24,000 -25 -33 1829 82 654 192 280 195 283 197 286 199 288 26,000 -29 -37 1695 76 606 184 276 186 280 189 284 191 287 28,000 -34 -41 1561 70 560 174 271 177 276 180 281 183 284 29,000 -36 -42 1494 67 538 169 268 172 273 176 278 178 283 31,000 -40 -46 1383 62 496 157 258 162 267 167 274 170 279 33,000 -45 -50 1249 56 454 140 240 150 257 157 267 161 274 35,000 – – –     – – – – – – – – – – – – – – – – – –     – – –     – – –     – – – – – –     – – –     – – – Figure 7-73.  Maximum Cruise Power, 1800 RPM , ISA