FAA figures/8080-1E/Figure 11

Figure 11: Cruise and range performance

FAA-CT-8080-1E · Commercial Pilot supplement · asked on the Commercial Pilot test

FAA Figure 11Cruise and range performanceFAA-CT-8080-1E · Commercial Pilot supplement
How to read it: Find the altitude block, then the row for the % BHP in the question; read TAS, gallons per hour and range for the fuel load (38 or 48 gal).

1 FAA question that refer to this figure

  1. Question 1 · Commercial Pilot

    (Refer to FAA-CT-8080-1E, Figure 11.) What would be the approximate true airspeed and fuel consumption per hour at an altitude of 7,500 feet, using 52 percent power?

    • A.103 MPH TAS, 6.3 GPH.
    • B.105 MPH TAS, 6.2 GPH.
    • C.105 MPH TAS, 6.6 GPH.
    Show answer and explanation

    Correct: B. 105 MPH TAS, 6.2 GPH.

    In the Figure 11 table, the 7,500-foot block shows 52 percent BHP at 2,300 RPM, giving 105 MPH true airspeed and 6.2 gallons per hour. The 103 MPH and 6.3 GPH values belong to the 2,500-foot row at 52 percent, and 6.6 GPH does not appear for 52 percent power.

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