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Private Pilot - Flight Instruments
2013
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3248. Which instrument will become inoperative if the pitot tube becomes clogged?
Airspeed
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3249. Which instrument(s) will become inoperative if the static vents become clogged?
Airspeed, altimeter, and vertical speed.
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3247. If the pitot tube and outside static vents become clogged, which instruments would be affected?
The altimeter, airspeed indicator, and vertical speed indicator.
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3262. The pitot system provides impact pressure for which instrument?
Airspeed indicator.
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3006. Which V-speed represents maneuvering speed?
V_A
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3264. What does the red line on an airspeed indicator represent?
Never-exceed speed.
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3268. (Refer to Figure 4.) Which color identifies the never-exceed speed?
The red radial line.
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3268. (Refer to Figure 4.) Which color identifies the power-off stalling speed in a specified configuration?
Lower limit of the green arc.
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3011. Which would provide the greatest gain in altitude in the shortest distance during climb after takeoff?
V_X
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3012-1. After takeoff, which airspeed would the pilot use to gain the most altitude in a given period of time?
V_Y
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3265. (Refer to Figure 4.) What is the full flap operating range for the airplane?
60 to 100 MPH
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3267. (Refer to Figure 4.) The maximum speed at which the airplane can be operated in smooth air is ___
208 MPH
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3270. (Refer to Figure 4.) What is the maximum flaps-extended speed?
100 MPH
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3271. (Refer to Figure 4.) Which color identifies the normal flap operating range?
The white arc.
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3272. (Refer to Figure 4.) Which color identifies the power-off stalling speed with wing flaps and landing gear in the landing configuration?
Lower limit of the white arc.
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3273. (Refer to Figure 4.) What is the maximum structural cruising speed?
165 MPH
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3274. What is an important airspeed limitation that is not color coded on airspeed indicators?
Maneuvering speed.
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3007. Which V-speed represents maximum flap extended speed?
V_FE
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3008. Which V-speed represents maximum landing gear extended speed?
V_LE
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3009. V_NO is defined as the ___
maximum structural cruising speed.
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3010. V_S0 is defined as the ___
stalling speed or minimum steady flight speed in the landing configuration.
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3266. (Refer to Figure 4.) What is the caution range of the airplane?
165 to 208 MPH.
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3105. If an altimeter setting is not available before flight, to which altitude should the pilot adjust the altimeter?
The elevation of the departure area.
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3106. Prior to takeoff, the altimeter should be set to which altitude or altimeter setting?
The current local altimeter setting, if available, or the departure airport elevation.
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3107. At what altitude shall the altimeter be set to 29.92, when climbing to cruising flight level?
18,000 feet MSL
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3254. Altimeter setting is the value to which the barometric pressure scale of the altimeter is set so the altimeter indicates ___
true altitude at field elevation.
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3255. How do variations in temperature affect the altimeter?
Pressure leveles are raised on warm days and the indicated altitude is lower than true altitude.
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3256. What is true altitude?
The vertical distance of the aircraft above sea level.
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3392. Under what condition will true altitude be lower than indicated altitude?
In colder than standard air temperature.
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3257. What is absolute altitude?
The vertical distance of the aircraft above the surface.
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3258. What is density altitude?
The pressure altitude corrected for nonstandard temperature.
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3259. What is pressure altitude?
The altitude indicated when the barometric pressure scale is set to 29.92.
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3260. Under what condition is indicated altitude the same as true altitude?
When at sea level under standard conditions.
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3261. If it is necessary to set the altimeter from 29.15 to 29.85, what change occurs?
700-foot increase in indicated altitude.
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3388. Under which condition will pressure altitude be equal to true altitude?
When standard atmospheric conditions exist.
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3389. Under what condition is pressure altitude and density altitude the same value?
At standard temperature.
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3390. If a flight is made from an area of low pressure into an area of high pressure without the altimeter setting being adjusted, the altimeter will indicate ___
lower than the actual altitude above sea level.
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3391. If a flight is made from an area of high pressure into an area of low pressure without the altimeter setting being adjusted, the altimeter will indicate ___
higher than the actual altitude above sea level.
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3393. Which condition would cause the altimeter to indicate a lower altitude than true altitude?
Air temperature warmer than standard.
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3250. (Refer to Figure 3.) Altimeter 1 indicates ___
1500 feet.
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3250. (Refer to Figure 3.) Altimeter 2 indicates ___
14,500 feet.
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3250. (Refer to Figure 3.) Altimeter 3 indicates ___
9,500 feet.
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3250. (Refer to Figure 3.) Which altimeter(s) indicate(s) more than 10,000 feet?
1 and 2 only.
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3387. If a pilot changes the altimeter setting from 30.11 to 29.96, what is the approximate change in indication?
150 feet lower.
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3278. (Refer to Figure 7.) How should a pilot determine the direction of bank from an attitude indicator such as the one illustrated?
By the relationship of the miniature airplane (C) to the deflected horizon (B).
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3275. (Refer to Figure 5.) A turn coordinator provides an indication of the ___
movement of the aircraft about the yaw and roll axis.
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3277. (Refer to Figure 7.) The proper adjustment to make on the attitude indicator during level flight is to align the ___
miniature airplane to the horizon bar
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3276. (Refer to Figure 6.) To receive accurate indications during flight from a heading indicator, the instrument must be ___
periodically realigned with the magnetic compass as the gyro precesses.
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3279. Deviation in a magnetic compass is caused by the ___
magnetic fields within the aircraft distorting the lines of magnetic force.
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3279-1. The angular difference between true north and magnetic north is ___
magnetic variation
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3282. In the Northern Hemisphere, a magnetic compass will normally indicate a turn toward the north if ___
an aircraft is accelerated while on an east or west heading.
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3283. In the Northern Hemisphere, the magnetic compass will normally indicate a turn toward the south when ___
an aircraft is decelerated while on an east or west heading.
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3283-1. What should be the indication on the magnetic compass as you roll into a standard rate turn to the right from a south heading in the Northern Hemisphere?
The compass will indicate a turn to the right, but at a faster rate than is actually occuring.
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3284. In the Northern Hemisphere, if an aircraft is accelerated or decelerated, the magnetic compass will normally indicate ___
correctly while on a north or south heading.
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3280. In the Northern Hemisphere, a magnetic compass will normally indicate initially a turn toward the west if ___
a right turn is entered from a north heading.
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3281. In the Northern Hemisphere, a magnetic compass will normally indicate initially a turn toward the east if ___
a left turn is entered from a north heading.
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3286. During flight, when are the indications of a magnetic compass accurate?
Only in straight-and-level unaccelerated flight.
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