FAA Questions/Private Pilot/Question #76
performanceFAA-published question bank (Private Pilot, 2008)

(Refer to figure 8.) Determine the pressure altitude at an airport that is 1,386 feet MSL with an altimeter setting of 29.97.

FAA Figure 8Density altitude chartFAA-CT-8080-2H · Sport, Recreational, Private & Remote Pilot supplement
How to read it: Start at the outside air temperature on the bottom, go up to the pressure-altitude diagonal, then left to read density altitude. The right-hand table converts altimeter setting to pressure altitude.
A

1,341 feet MSL.✓ Correct Answer

B

1,451 feet MSL.

C

1,562 feet MSL.

Explanation

In the Figure 8 table the conversion factor is 0 for 29.92 and -73 for 30.0; interpolating for 29.97 gives about -46 feet. Pressure altitude = 1,386 - 46 = about 1,340 feet, matching 1,341 feet. Adding the correction instead of subtracting would give about 1,431 or more.

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