# Shared Flashcard Set

## Details

Aircraft Performance
Prepware Quiz
50
Aviation
Professional
07/10/2013

Term
 (Refer to Figure 30.) Using a maximum demonstrated crosswind component equal to 0.2 V(SO), what is a pilot able to determine?V(SO) 60 ktsLanding Rwy 12Wind 150° at 20 kts
Definition
 Crosswind component is within safe limits.
Term
 (Refer to Figure 26.) Determine the ground roll required for takeoff.Temperature 25°CPressure altitude 2,000 ftWeight 2,200 lbHeadwind 15 kts
Definition
 261 feet.
Term
 When an aircraft's forward CG limit is exceeded, it will affect the flight characteristics of the aircraft by producing
Definition
 higher stalling speeds and more longitudinal stability.
Term
 The most favorable combination of conditions for rotorcraft performance is
Definition
 low density altitude, low gross weight, and moderate to strong wind
Term
 (Refer to Figure 33.) How should the 200-pound weight be shifted to balance the plank on the fulcrum?
Definition
 2.5 inches to the left.
Term
 Which statement is true regarding takeoff performance with high density altitude conditions?
Definition
 The acceleration rate is slower because the engine and propeller efficiency is reduced.
Term
 (Refer to Figure 24.) What is the effect of a temperature increase from 30 to 50 degrees F on the density altitude if the pressure altitude remains at 3,000 feet MSL?
Definition
 1,300-foot increase.
Term
 (Refer to Figure 39.) What is the maximum altitude for a balloon if the gross weight is 1,060 pounds and standard temperature exists at all altitudes?
Definition
 7,000 feet.
Term
 What is the location of the CG if 60 pounds are removed from Station 70? Aircraft weight: 8,420 lbCG location station: 85
Definition
 85.1
Term
 What can a pilot expect when landing at an airport located in the mountains?
Definition
 Higher true airspeed and longer landing distance.
Term
 (Refer to Figure 27.) What indicated airspeed at 3,000 feet would result in the greatest increase in altitude for a given distance?
Definition
 94 KIAS.
Term
 What is the location of the CG if 90 pounds are removed from Station 140?Aircraft weight 6,230 lbCG location Station 79
Definition
 78.1
Term
 Based on this information, the CG would be located how far aft of datum?Weight A 120 lb at 15" aft of datumWeight B 200 lb at 117" aft of datumWeight C 75 lb at 195" aft of datum
Definition
 100.8 inches.
Term
 (Refer to Figure 30.) Using a maximum demonstrated crosswind component equal to 0.2 V(SO), what is a pilot able to determine?V(SO) 70 ktsLanding Rwy 35Wind 300° at 20 kts
Definition
 Maximum demonstrated crosswind component is exceeded.
Term
 If the CG of an aircraft is moved from the aft limit to beyond the forward limit, how will it affect the cruising and stalling speed?
Definition
 Decrease the cruising speed and increase the stalling speed.
Term
 How does increased weight affect the takeoff distance of an airplane?
Definition
 The airplane will accelerate more slowly with the same power output, and a higher airspeed is required to generate necessary lift for takeoff.
Term
 (Refer to Figure 26.) Determine the takeoff distance required to clear a 50-foot obstacle.Temperature 3°CPressure altitude 6,000 ftWeight 3,000 lbHeadwind 15 kts
Definition
 1,331 feet.
Term
 Based on this information, the CG would be located how far aft of datum?Weight D 160 lb at 45" aft of datumWeight E 170 lb at 145" aft of datumWeight F 105 lb at 185" aft of datum
Definition
 117.8 inches.
Term
 (Refer to Figure 25.) What would be the indicated stall speed during a 40° banked turn with the gear down and flaps set at 45°?
Definition
 83 KIAS.
Term
 An aircraft is loaded with the CG aft of the aft limit. What effect will this have on controllability?
Definition
 Stall and spin recovery may be difficult or impossible.
Term
 If the nosewheel of an airplane moves aft during gear retraction, how would this aft movement affect the CG location of that airplane? It would
Definition
 cause the CG location to move aft.
Term
 As the CG moves aft, an aircraft becomes
Definition
 less stable and less controllable.
Term
 The center of gravity of an aircraft is computed along the
Definition
 longitudinal axis
Term
 What is the significance of the blue radial line on the airspeed indicator of a light multiengine airplane and when is it to be used? it indicates the
Definition
 speed which will provide the maximum altitude gain in a given time when one engine is inoperative and should be used for climb and final approach during engine-out operations.
Term
 If the CG is located aft of allowable limits, the pilot may find it impossible to
Definition
 fly in the upper allowable airspeed range due to insufficient forward cyclic control.
Term
 (Refer to Figure 30.) Determine the approximate crosswind component.Landing Rwy 22Wind 260° at 23 kts
Definition
 15 knots.
Term
 Aft center of gravity in a helicopter limits the
Definition
 upper allowable airspeed range.
Term
 The V(NE) of a helicopter is limited by
Definition
 lateral controllability or retreating blade stall.
Term
 (Refer to Figure 36.) Determine the condition of the airplane:Pilot and copilot 400 lbPassengers - aft position 240 lbBaggage 20 lbFuel 75 gal
Definition
 180 pounds under allowable gross weight; CG is located within limits.
Term
 (Refer to Figure 28.) Determine the approximate total distance required to clear a 50-foot obstacle.Temperature 20°CPressure altitude 1,000 ftSurface sodWeight 5,300 lbWind 15 kts headwind
Definition
 1,724 feet.
Term
 In a twin-engine airplane, the single-engine service ceiling is the maximum density altitude at which V(YSE) will produce
Definition
 50 ft per minute rate of climb.
Term
 If the atmospheric pressure and temperature remain the same, how would an increase in humidity affect takeoff performance?
Definition
 Longer takeoff distance; the air is less dense.
Term
 (Refer to Figure 27.) To maintain the best rate of climb, the indicated speed should be
Definition
 reduced approximately .8 knots per 1,000 feet of altitude.
Term
 (Refer to Figure 28.) Determine the approximate total distance required to clear a 50-foot obstacle.Temperature 35°CPressure altitude 3,000 ftSurface sodWeight 5,100 lbWind 20 kts headwind
Definition
 2,023 feet.
Term
 (Refer to figure 39) What is the maximum altitude for a balloon if the gross weight is 960 pounds and the ambient temperature is 76F?
Definition
 2,000 ft.
Term
 To maintain level flight in an airplane which is loaded with the CG at the forward limit, an additional download must be imposed on the horizontal stabilizer. This in turn produces
Definition
Term
 The stalling speed of an aircraft will be highest when the aircraft is loaded with a
Definition
 high gross weight and forward CG.
Term
 (Refer to Figure 36.) Determine the condition of the airplane:Pilot and copilot 316 lbPassengers (rear)Fwd 130 lbAft 147 lbBaggage 50 lbFuel 75 gal
Definition
 197 pounds under allowable gross weight; CG 83.6 inches aft of datum.
Term
 What is the maximum weight that could be added at Station 150.0 without exceeding the aft CG limit?Aircraft weight 5,000 lbCG location Station 80.0Aft CG limit Station 80.5
Definition
 35.9 pounds.
Term
 (Refer to Figure 25.) What would be the indicated stall speed in a 30° banked turn with the gear down and flaps set at 15°?
Definition
 82 KIAS.
Term
 (Refer to Figure 26.) Determine the takeoff distance required to clear a 50-foot obstacle.Temperature 23°CPressure altitude 3,000 ftWeight 2,400 lbHeadwind 15 kts
Definition
 718 feet.
Term
 (Refer to Figure 30.) Determine the approximate crosswind component.Landing Rwy 03Wind 060° at 35 kts
Definition
 18 knots.
Term
 Which is true regarding the operation of a multiengine airplane with one engine inoperative?
Definition
 Banking toward the inoperative engine increases V(MC).
Term
 An aircraft is loaded with the CG at the aft limit. What are the performance characteristics compared with the CG at the forward limit?
Definition
 The aft CG provides the lowest stalling speed, the highest cruising speed, and least stability.
Term
 For an airplane with reciprocating, non-turbocharged engines, V(MC)
Definition
 decreases with altitude.
Term
 (Refer to Figure 25.) What would be the indicated stall speed in a 60° banked turn with the gear and flaps up?
Definition
 117 KIAS.
Term
 (Refer to Figure 24.) Determine the density altitude.Airport elevation 3,795 ftOAT 24°CAltimeter setting 29.70" Hg
Definition
 5,900 feet.
Term
 (Refer to Figure 24.) Determine the pressure altitude at an airport that is 3,563 feet MSL with an altimeter setting of 29.96.
Definition
 3,527 feet MSL.
Term
 (Refer to Figure 29.) What is the approximate glide distance?Height above terrain 5,500 ftTailwind 10 kts
Definition
 13 miles.
Term
 The center of gravity of an aircraft can be determined by
Definition
 dividing total moment by total weight.
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