Shared Flashcard Set

Details

Aircraft Performance
Prepware Quiz
50
Aviation
07/10/2013

Additional Aviation Flashcards

 


 

Cards

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 kts
Landing Rwy 12
Wind 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°C
Pressure altitude 2,000 ft
Weight 2,200 lb
Headwind 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 lb
CG 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 lb
CG 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 datum
Weight B 200 lb at 117" aft of datum
Weight 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 kts
Landing Rwy 35
Wind 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°C
Pressure altitude 6,000 ft
Weight 3,000 lb
Headwind 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 datum
Weight E 170 lb at 145" aft of datum
Weight 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 22
Wind 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 lb
Passengers - aft position 240 lb
Baggage 20 lb
Fuel 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°C
Pressure altitude 1,000 ft
Surface sod
Weight 5,300 lb
Wind 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°C
Pressure altitude 3,000 ft
Surface sod
Weight 5,100 lb
Wind 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
an additional load which the wing must support.
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 lb
Passengers (rear)
Fwd 130 lb
Aft 147 lb
Baggage 50 lb
Fuel 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 lb
CG location Station 80.0
Aft 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°C
Pressure altitude 3,000 ft
Weight 2,400 lb
Headwind 15 kts
Definition
718 feet.
Term
(Refer to Figure 30.) Determine the approximate crosswind component.
Landing Rwy 03
Wind 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 ft
OAT 24°C
Altimeter 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 ft
Tailwind 10 kts
Definition
13 miles.
Term
The center of gravity of an aircraft can be determined by
Definition
dividing total moment by total weight.