TM 55-1510-219-10
Cruise True Airspeeds At FI 220
Cruise True Airspeed (ISA +27°C) ............ 200 knots
Cruise True Airspeed (ISA +17°C) ............ 197 knots
Enter the MAXIMUM ENDURANCE POWER @
1700 RPM Tables for ISA +10°C, ISA +20°C, and ISA
+30°C at 12,000 pounds and 11,000 pounds and
interpolate the recommended torque settings for ISA +
27°C and ISA +17°C.
ISA +27°C ............................ 50% torque per engine
ISA + 17°C ........................... 49% torque per engine
Enter the MAXIMUM ENDURANCE POWER @
1700 RPm, Tables for ISA + 10°C, ISA +20°C, and ISA
+30°C at 12,000 pounds and 11,000 pounds at 22,000
feet, and interpolate the fuel flows for ISA +27°C and
ISA + 17°C at 11,200 pounds.
ISA +27°C
Fuel Flow Per Engine ..............................237 Lbs/hr
Total Fuel Flow .......................................474 Lbs/hr
ISA +17°C
Fuel Flow Per Engine ..............................232 Lbs/hr
Total Fuel Flow .......................................464 Lbs/hr
NOTE
For flight planning, enter these
charts
at
the
forecasted
ISA
condition; for enroute power settings
and fuel flows, enter at the actual
indicated FAT.
Time and fuel used were calculated at MAXIMUM
ENDURANCE POWER @ 1700 RPM as follows:
Results are as follows:
7-4
TIME - FUEL - DISTANCE
