Aircraft Performance

183 MPH.

(Refer to Figure 35.) Approximately what true airspeed should a pilot expect with 65 percent maximum continuous power at 9,500 feet with a temperature of 36 °F below standard?

165 KTS.

(Refer to Figure 35.) Approximately what true airspeed should a pilot expect with full throttle at 10,500 feet with a temperature of 36 °F above standard?

21.0" Hg.

(Refer to Figure 35.) Determine the approximate manifold pressure setting with 2,450 RPM to achieve 65 percent maximum continuous power at 6,500 feet with a temperature of 36 °F higher than standard.

11.2 gallons per hour.

(Refer to Figure 35.) What fuel flow should a pilot expect at 11,000 feet on a standard day with 65 percent maximum continuous power?

70.1 gallons.

(Refer to Figure 35.) What is the expected fuel consumption for a 1,000-nautical mile flight under the following conditions? Pressure altitude.......................8,000 ft Temperature................................22 °C Manifold pressure.......................20.8" Hg Wind........................................Calm

36.1 gallons.

(Refer to Figure 35.) What is the expected fuel consumption for a 500-nautical mile flight under the following conditions? Pressure altitude........................4,000 ft Temperature...............................+ 29 °C Manifold pressure........................21.3" Hg Wind.........................................Calm

35 knots.

(Refer to Figure 36.) Determine the maximum wind velocity for a 45° crosswind if the maximum crosswind component for the airplane is 25 knots.

19 knots.

(Refer to Figure 36.) What is the crosswind component for a landing on Runway 18 if the tower reports the wind as 220° at 30 knots?

23 knots.

(Refer to Figure 36.) What is the headwind component for a landing on Runway 18 if the tower reports the wind as 220° at 30 knots?

24 knots.

(Refer to Figure 36.) What is the maximum wind velocity for a 30° crosswind if the maximum crosswind component for the airplane is 12 knots?

Runway 32.

(Refer to Figure 36.) With a reported wind of north at 20 knots, which runway (6, 29, or 32) is acceptable for use for an airplane with a 13-knot maximum crosswind component?

Runway 14.

(Refer to Figure 36.) With a reported wind of south at 20 knots, which runway (10, 14, or 24) is appropriate for an airplane with a 13-knot maximum crosswind component?

1,775 feet.

(Refer to Figure 37.) Determine the approximate total distance required to land over a 50-foot obstacle. OAT.........................................90 °F Pressure altitude........................4,000 ft Weight...................................2,800 lbs Headwind component..........................10 kts

1,400 feet.

(Refer to Figure 37.) Determine the total distance required to land. OAT.........................................32 °F Pressure altitude........................8,000 ft Weight...................................2,600 lb Headwind component..........................20 kts Obstacle....................................50 ft

1,725 feet.

(Refer to Figure 37.) Determine the total distance required to land. OAT.........................................90 °F Pressure altitude........................3,000 ft Weight...................................2,900 lbs Headwind component..........................10 kts Obstacle....................................50 ft

1,925 feet.

(Refer to Figure 37.) Determine the total distance required to land. OAT.........................................Std Pressure altitude.....................10,000 ft Weight................................2,400 lbs Wind component.............................Calm Obstacle..................................50 ft

366 feet.

(Refer to Figure 38.) Determine the approximate landing ground roll distance. Pressure altitude.........................1,250 ft Headwind.....................................8 kts Temperature....................................Std

545 feet.

(Refer to Figure 38.) Determine the approximate landing ground roll distance. Pressure altitude......................5,000 ft Headwind...................................Calm Temperature..............................101 °F

401 feet.

(Refer to Figure 38.) Determine the approximate landing ground roll distance. Pressure altitude.................Sea level Headwind..............................4 kts Temperature.............................Std

816 feet.

(Refer to Figure 38.) Determine the total distance required to land over a 50-foot obstacle. Pressure altitude.........................3,750 ft Headwind....................................12 kts Temperature....................................Std

956 feet.

(Refer to Figure 38.) Determine the total distance required to land over a 50-foot obstacle. Pressure altitude..............5,000 ft Headwind..........................8 kts Temperature.......................41 °F Runway.....................Hard surface

1,004 feet.

(Refer to Figure 38.) Determine the total distance required to land over a 50-foot obstacle. Pressure altitude..............7,500 ft Headwind..........................8 kts Temperature.......................32 °F Runway.....................Hard surface

650 feet.

(Refer to Figure 40.) Determine the approximate ground roll distance required for takeoff. OAT.........................................32 °C Pressure altitude........................2,000 ft Takeoff weight...........................2,500 lb Headwind component..........................20 kts

1,150 feet.

(Refer to Figure 40.) Determine the approximate ground roll distance required for takeoff. OAT........................................38 °C Pressure altitude.......................2,000 ft Takeoff weight..........................2,750 lb Headwind component..........................Calm

1,750 feet.

(Refer to Figure 40.) Determine the total distance required for takeoff to clear a 50-foot obstacle. OAT..........................................Std Pressure altitude.......................4,000 ft Takeoff weight..........................2,800 lb Headwind component..........................Calm

1,400 feet.

(Refer to Figure 40.) Determine the total distance required for takeoff to clear a 50-foot obstacle. OAT......................................Std Pressure altitude..................Sea level Takeoff weight......................2,700 lb Headwind component......................Calm

8,500 feet MSL.

(Refer to Figure 8.) Determine the density altitude for these conditions: Altimeter setting.....................29.25 Runway temperature...................+81 °F Airport elevation..............5,250 ft MSL

2,000 feet MSL.

(Refer to Figure 8.) Determine the density altitude for these conditions: Altimeter setting.......................30.35 Runway temperature.....................+25 °F Airport elevation................3,894 ft MSL

1,341 feet MSL.

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

3,527 feet MSL.

(Refer to Figure 8.) Determine the pressure altitude at an airport that is 3,563 feet MSL with an altimeter setting of 29.96.

2,991 feet MSL.

(Refer to Figure 8.) Determine the pressure altitude with an indicated altitude of 1,380 feet MSL with an altimeter setting of 28.22 at standard temperature.

1,700-foot decrease.

(Refer to Figure 8.) What is the effect of a temperature decrease and a pressure altitude increase on the density altitude from 90 °F and 1,250 feet pressure altitude to 55 °F and 1,750 feet pressure altitude?

1,650-foot increase.

(Refer to Figure 8.) What is the effect of a temperature increase from 25 to 50 °F on the density altitude if the pressure altitude remains at 5,000 feet?

1,000-foot increase.

(Refer to Figure 8.) What is the effect of a temperature increase from 35 to 50 °F on the density altitude if the pressure altitude remains at 3,000 feet MSL?

Wait until the temperature decreases, and recalculate the takeoff performance.

A pilot and two passengers landed on a 2,100 foot east-west gravel strip with an elevation of 1,800 feet. The temperature is warmer than expected and after computing the density altitude it is determined the takeoff distance over a 50 foot obstacle is 1,980 feet. The airplane is 75 pounds under gross weight. What would be the best choice?

higher than pressure altitude.

If the outside air temperature (OAT) at a given altitude is warmer than standard, the density altitude is

At standard temperature.

Under what condition is pressure altitude and density altitude the same value?

When standard atmospheric conditions exist.

Under which condition will pressure altitude be equal to true altitude?

It reduces climb performance.

What effect does high density altitude have on aircraft performance?

Efficiency is reduced because the propeller exerts less force at high density altitudes than at low density altitudes.

What effect does high density altitude, as compared to low density altitude, have on propeller efficiency and why?

It decreases performance.

What effect, if any, does high humidity have on aircraft performance?

The pressure altitude corrected for non-standard temperature.

What is density altitude?

High temperature, high relative humidity, and high density altitude.

Which combination of atmospheric conditions will reduce aircraft takeoff and climb performance?

An increase in ambient temperature.

Which factor would tend to increase the density altitude at a given airport?