Beechcraft C-12C Operator And Technical Reference Manual page 672

TM 1-1510-218-10
NOTE: TO OBTAIN FUEL FLOW PER ENGINE, DIVIDE THE TOTAL FUEL FLOW VALUE FOR
THE CORRESPONDING ALTITUDE BY TWO.
PRESSURE IOAT
ALT
qC
FEET
SL 58
2,000 54
4,000 50
6,000 46
8,000 42
10,000 39
35
12,000
14,000 31
16,000 27
23
18,000
20,000 19
22,000 15
24,000 10
26,000 6
28,000 2
29,000 0
31,000 -5
33,000 ---
35,000 ---
Figure 7-56. Recommended Cruise Power, 1800 RPM - ISA + 37
7-60
RECOMMENDED CRUISE POWER
ISA + 37 qC
OAT TORQUE FUEL FLOW
PER TOTAL
ENGINE
qC
% LB/HR
52 97 982
48 95 942
44 93 902
40 91 866
36 89 826
32 85 780
28 81 736
24 76 690
20 72 648
16 68 608
12 64 568
9 60 532
5 56 496
1 52 462
-3 48 430
-5 46 414
-9 42 382
--- ---
--- ---
1800 RPM
@12,000 LB
IAS TAS
232 243
228 251
224 254
220 257
216 259
210 260
203 260
196 259
189 258
181 256
173 254
165 250
156 245
146 237
134 226
125 216
--- ---
--- --- ---
--- --- ---
AIRSPEED ~ KNOTS
@11,000 LB
IAS TAS
234 249
230 252
226 255
222 259
217 261
212 262
205 263
198 262
191 261
184 260
177 258
169 256
161 252
152 247
142 240
134 235
123 220
--- ---
--- ---
q
C
@10,000 LB
IAS TAS
235 250
231 253
227 256
223 260
218 263
213 264
207 265
200 264
193 264
182 263
179 262
172 260
165 258
157 254
148 250
144 247
133 238
--- ---
--- ---