Weight & Balance / Performance

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(Refer to Figure 24) What effect will an ambient air temperature increase from 25 F to 50 F have on the density altitude if pressure altitude remains 5,000 feet?

1,600 feet

(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 lbs Wind: 5 kts headwind

1,880 ft

What is characteristic of the indicated airspeed if the CG is at the most forward allowable position and constant power and altitude are maintained?

Indicated airspeed will be less than it would be with the CG in the most rearward allowable position

Could 100 pounds of weight be shifted from Station 130.0 to Station 30.0 without exceeding the forward CG limit? Total Weight: 2,800 lb CG location: Station 120.0 Forward CG limit: Station 117.0

No; the new CG would be located at Station 116.42

If the atmospheric pressure and temperature remain the same, how would an increase in humidity affect takeoff performance?

Longer takeoff distance; the air is less dense

(Refer to Figure 35) If 50 pounds of weight is located at point X and 100 pounds at point Z, how much weight must be located at point Y to balance the plank?

300 pounds

(Refer to Figure 32) How should the 500 pound weight be shifted to balance the plank on the fulcrum?

10 inches to the right

(Refer to Figure 32) How should the 1,000 pound weight be shifted to balance the plank on the fulcrum?

5 inches to the right

(Refer to Figure 24) Determine the density altitude Airport elevation: 3,795 ft OAT: 24 C Altimeter setting: 29.70 inches Hg

5,900 ft

(Refer to Figure 24) Determine the density altitude Airport elevation: 3,450 ft OAT: 35 C Altimeter setting: 30.40 inches Hg

5,950 ft

(Refer to Figure 35) If 50 pounds of weight is locate at point X and 100 pounds at point Y, how much weight must be located at point Z to balance the plank?

50 pounds

(Refer to Figure 36) Determine the condition of the airplane Pilot and Copilot: 380 lbs Passengers - aft position: 280 lbs Baggage: 220 lbs Fuel: 49 gal

116 pounds under gross weight, CG at 88.8

(Refer to Figure 30) Determine the approximate crosswind component Landing RWY 03 Wind 060 at 35 kts

18 kts

(Refer to Figure 36) Determine the condition of the airplane. (In Figure 36, 'Rear seats - Alt Position' should read 'Rear seats - Aft Position') Pilot and copilot: 400 lb Passengers - aft position: 240 lb Baggage: 20 lb Fuel: 75 gal

180 pounds under allowable gross weight; CG is located within limts

(Refer to Figure 36) Determine the condition of the airplane Pilot and Copilot: 375 lbs Passengers - fwd position: 245 lbs Baggage: 65 lbs Fuel: 70 gal

185 pounds under allowable gross weight; CG is located within limits

(Refer to Figure 36) Determine the condition of the airplane. (In Figure 36, 'Rear seats - Alt Position' should read 'Rear seats - Aft Position') Pilot and copilot: 375 lb Passengers - aft position: 245 lb Baggage: 65 lb Fuel: 70 gal

185 pounds under allowable gross weight; CG is located within limits

How much weight could be added at Station 160 without exceeding the aft CG limit? Aircraft weight: 8,300 lb CG location: Station 90.0 Aft CG limit: Station 90.5

59.7 pounds

(Refer to Figure 36) Determine the condition of the airplane. (In Figure 36, 'Rear seats - Alt Position' should read 'Rear seats - Aft Position') Pilot and copilot: 316 lb Passengers - aft position: 277 lb Baggage: 50 lb Fuel: 75 gal

197 pounds under allowable gross weight; CG 84.6 inches aft of datum

(Refer to Figure 33) How should the 200 pound weight be shifted to balance the plank on the fulcrum?

2.5 inches to the left

(Refer to Figure 36) Determine the condition of the airplane Pilot and Copilot: 360 lbs Passengers - aft position: 360 lbs Baggage: 100 lbs Fuel: 75 gal

20 pounds under maximum gross weight, CG aft of aft limit

(Refer to Figure 30) What is the headwind component for a landing on Runway 18 if the tower reports the winds as 220 degrees at 30 kts

23 kts

What is the location of the CG if 90 pounds are removed from Station 140? Aircraft Weight: 6,230 lb CG location: Station 79

78.1

What is the location of the CG if 146 opunds are removed from Station 150? Aircraft Weight: 7,152 lb CG location: Station 82

80.6

What is the effect of center of gravity on the spin characteristics of an aircraft?

A flat spin may develop if the CG is too far aft

(Refer to Figure 36) With the airplane loaded as shown, what action can be taken to balance the airplane? Pilot and copilot: 411 lbs Passengers - aft position: 100 lbs Main Wing Tanks: 44 gal

Add 100 pounds of weight to the baggage compartment

(Refer to Figure 36) With the airplane loaded as shown, what further changes can be made while staying within limits? Pilot and copilot: 411 lbs Passengers - aft position: 100 lbs Main Wing Tanks: 44 gal

Add 175 pounds of baggage and fill the fuel tanks

(Refer to Figure 30) Determine the approximate crosswind component. Landing Rwy 18 Wind 220 at 40 kts

26 kts

If the certification category of an airplane is listed as 'utility,' it means the airplane is intended for which maneuvers?

All non-aerobatic maneuvers plus limited aerobatics including spins

(Refer to Figure 34) How should the 500 pound weight be shifted to balance the plank on the fulcrum?

1 inch to the left

(Refer to Figure 28) Determine the approximate total distance required to clear a 50 ft obstacle Temperature: 20 C Pressure altitude: 1,000 ft Surface sod Weight: 5,300 lb Wind: 15 kts headwind

1,724 ft

(Refer to Figure 36) Which action can be taken to remain under the MGTOW of 3,400 pounds and within the CG limits for takeoff? Pilot and Copilot: 450 lbs Passengers - aft position: 325 lbs Baggage: 30 lbs Fuel: 44 gal

Remove the 30 pounds of baggage and fill the fuel tanks

(Refer to Figure 36) Upon landing, a photographer in the rear passenger position (204 lbs @ 136) moves to the front passenger seat. What effect does this have on the CG if the aircraft weighed 2,690 pounds, and the moment/100 just prior to the move was 2249.3?

The CG moves forward approximately 3.8 inches

Which statement is true regarding takeoff performance with high density altitude conditions?

The acceleration rate is slower because the engine and propeller efficiency is reduced

An aircraft is loaded with the CG at the aft limit. What are the performance characteristics compared with the CG at the forward limit?

The aft CG provides the lowest stalling speed, the highest cruising speed, and least stability

Could 100 pounds of weight be shifted from Station 30.0 to Station 120.0 without exceeding the aft CG limit? Total weight: 4,750 lb CG location: Station 115.8 Aft CG limit: Station 118.0

Yes; the new CG would be located at Station 117.69

It is possible to fly an aircraft just clear of the ground at a slightly slower airspeed than that required to sustain level flight at higher altitudes. This is the result of

interference of the ground surface with the airflow patterns about the aircraft in flight

As the CG moves aft, an aircraft becomes

less stable and less controllable

If the pressure altitude and temperature remain constant, but the air moisture content increases

the landing roll will be longer due to less dense air

(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

Crosswind component is within safe limits

If the center of gravity of an aircraft is moved from the aft limit to beyond the forward limit, how will it affect cruising and stalling speed?

Decrease cruising speed and increase stalling speed

What can a pilot expect when landing at an airport located in the mountains?

Higher true airspeed and greater vertical velocity

What can a pilot expect when landing at an airport located in the mountains?

Higher true airspeed and longer landing distance

An aircraft is loaded with the CG aft of the aft limit. What effect will this have on controllability?

Stall and spin recovery may be difficult or impossible

What would be the new CG location if 135 pounds of weight were added at Station 109.0? Total weight: 2,340 lb CG location: Station 103.0

Station 103.3

(Refer to Figure 36) Determine the condition of the airplane Pilot and Copilot: 380 lbs Passengers - aft position: 220 lbs Baggage: 220 lbs Fuel: 49 gal

Under gross weight, CG aft of aft limit

Which is the correct symbol for the minimum steady flight speed at which an airplane is controllable?

Vs

(Refer to Figure 36) Determine the condition of the airplane Pilot: 120 lbs Passengers - aft position: 250 lbs Baggage: 100 lbs Fuel: 50 gal

Weight within limits, CG is aft of 81 inches, but within limits

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

an additional load which the wing must support

An airplane leaving ground effect will

experience a decrease in stability and a nose-up change in moments

The indicated lift-off airspeed for short-field takeoffs in a particular aircraft will normally be

greater than for soft- or rough-field takeoffs

If the same angle of attack is maintained in ground effect as when out of ground effect, lift will

increase, and induced drag will decrease


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