Flight instruments Flashcards by Laura Klosterhaus

Which instrument will become inoperative if the pitot tube becomes clogged?

A-altimeter.

B-vertical speed.

C-airspeed.

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Which instrument(s) will become inoperative the static vents become clogged?

A-airspeed only.

B-altimeter only.

C-airspeed, altimeter, and vertical speed.

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If the pitot tube and outside static vents become clogged, which instruments would be affected?

A-the altimeter, airspeed indicator, and turn-and-slip indicator.

B-the altimeter, airspeed indicator, and vertical speed indicator.

C-the altimeter, attitude indicator, and turn-and-slip indicator.

B-the altimeter, airspeed indicator, and vertical speed indicator.

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The pitot system provides impact pressure for which instrument?

A-altimeter.

B-vertical speed indicator.

C-airspeed indicator.

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Which V-speed represents maneuvering speed?

A-Va.

B-Vlo.

C-Vne.

A-Va.

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What does the red line on an airspeed indicator represent?

A-maneuvering speed.

b-turbulent or rough-air speed.

C-never-exceed speed.

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(Refer to figure 4.) Which color identifies the never-exceed speed?

A-upper limit of the green arc.

B-upper limit of the white arc.

C-the red radial line.

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If an altimeter setting is not available before flight, to which altitude should the pilot adjust the altimeter?

A-the elevation of the nearest airport corrected to mean sea level.

B-the elevation of the departure area.

C-pressure altitude corrected for nonstandard temperature.

B-the elevation of the departure area.

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Prior to takeoff, the altimeter should be set to which altitude or altimeter setting?

A-the current local altimeter setting, if available, or the departure airport elevation.

B-the corrected density altitude of the departure airport.

C-the corrected pressure altitude of the departure airport.

A-the current local altimeter setting, if available, or the departure airport elevation.

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At what altitude shall the altimeter be set to 29.92, when climbing to causing flight level?

A-14,500 feet MSL.

B-18,000 feet MSL.

C-24,000 feet MSL.

B-18,000 feet MSL.

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Altimeter setting is the value to which the barometric pressure scale of the altimeter is set so the altimeter indicates:

A-calibrated altitude at field elevation.

B-absolute altitude at field elevation.

C-true altitude at field elevation.

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How do variations in temperature affect the altimeter?

A-pressure levels are raised on warm days, and the indicated altitude is lower than true altitude.

B-higher temperatures expand the pressure levels and the indicated altitude is higher than true altitude.

C-lower temperatures lower the pressure levels and the indicated altitude is lower than true altitude.

A-pressure levels are raised on warm days, and the indicated altitude is lower than true altitude.

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What is true altitude?

A-the vertical distance of the aircraft above sea level.

B-the vertical distance of the aircraft above the surface.

C-the height above the standard datum plane.

A-the vertical distance of the aircraft above sea level.

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Under what condition will true altitude be lower than indicated altitude?

A-in colder than standard air temperature.

B-in warmer than standard air temperature.

C-when density altitude is higher than indicated altitude.

A-in colder than standard air temperature.

Colder, true lower.

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What is absolute altitude?

A-the altitude read directly from the altimeter.

B-the vertical distance of the aircraft above the surface.

C-the height above the standard datum plane.

B-the vertical distance of the aircraft above the surface.

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What is density altitude?

A-the height above the standard datum plane.

B-the temperature pressure altitude corrected for nonstandard temperature.

C-the altitude read directly from the altimeter.

B-the temperature pressure altitude corrected for nonstandard temperature.

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What is pressure altitude?

A-the indicated altitude corrected for position and installation error.

B-the altitude indicated when the barometric pressure scale is set to 29.92.

C-the indicated altitude corrected for nonstandard temperature and pressure.

B-the altitude indicated when the barometric pressure scale is set to 29.92.

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Under what condition is the indicated altitude the same as true altitude?

A-if the altimeter has no mechanical error.

B-when at sea level under standard conditions.

C-when at 18,000 feet MSL with the altimeter set at 29.92.

B-when at sea level under standard conditions.

If it is necessary to set the altimeter from 29.15 to 29.85, what changes occurs?

A-70-foot increase in indicated altitude.

B-70-foot increase in density altitude.

C-700-foot increase in indicated altitude.

1” hg = 1,000 FEET (29.85 - 29.15= .70)
.70 of 1= 700 of 1,000

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

A-when the atmospheric pressure is 29.92” Hg.

B-when standard atmospheric conditions exist.

C-when indicated altitude is equal to the pressure altitude.

B-when standard atmospheric conditions exist.

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

A-at sea level, when the temperature is at 0 degrees F

B-when the altimeter has no installation error.

C-at standard temperature.

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:

A-the actual altitude above sea level.

B-higher than the actual altitude above sea level.

C-lower than the actual altitude above sea level.

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:

A-lower than the actual altitude above sea level.

B-higher than the actual altitude above sea level.

C-the actual altitude above sea level.

B-higher than the actual altitude above sea level.

Which condition would cause the altimeter to indicate a lower altitude than true altitude?

A-air temperature lower than standard.

B-atmospheric pressure lower than standard.

C-air temperature warmer than standard.

Warmer, indicated lower.

(Refer to figure 3.) Altimeter 1 indicates: A-500 feet. B-1,500 feet. C-10,500 feet.

C-10,500 feet.

(Refer to figure 3.) Altimeter 2 indicates: A-1,500 feet. B-4,500 feet. C-14,500 feet.

C-14,500 feet.

(Refer to figure 3.) Altimeter 3 indicates: A-9,500 feet. B-10,950 feet. C-15,940 feet.

A-9,500 feet.

(Refer to figure 3.) Which altimeter(s) indicate(s) more than 10,000 feet? A-1,2, and 3. B-1 and 2 only. C-1 only.

B-1 and 2 only.

(Refer to figure 82.) Altimeter 3 is indicated a VFR causing altitude for which direction? A-180 degrees-359 degrees magnetic. B-179 degrees true. C-080 degrees magnetic.

C-080 degrees magnetic.

If a pilot changes the altimeter setting from 30.11 to 29.96, what is the approximate change in indication? A-altimeter will indicate .15" Hg higher. B-altimeter will indicate 150 feet higher. C-altimeter will indicate 150 feet lower.

C-altimeter will indicate 150 feet lower. 30.11-29.96= .15 .15 of 1000 is 150

(Refer to figure 7.) How should a pilot determine the direction of bank from an attitude indicator such as the one illustrated? A-by direction of deflection of the banking scale (A). B-by the direction of deflection of the horizon bar (B). C-by the relationship of the miniature airplane (C) to the deflected horizon bar (B).

C-by the relationship of the miniature airplane (C) to the deflected horizon bar (B).

(Refer to figure 7.) The proper adjustment to make on the attitude indicator during level flight is to align the: A-horizon bar to the level-flight indication. B-horizon bar to the miniature airplane. C-miniature airplane to the horizon bar.

C-miniature airplane to the horizon bar.

(Refer to figure 6.) To receive accurate indications during flight from a heading indicator, the instrument must be: A-set prior to flight on a known heading. B-calibrated on a compass rose at regular intervals. C-periodically realigned with the magnetic compass as the gyro precesses.

C-periodically realigned with the magnetic compass as the gyro precesses.

Deviation in a magnetic compass is caused by the: A-presence of flaws in the permanent magnets of the compass. B-difference in the location between true north and magnetic north. C-magnetic fields within the aircraft distorting the lines of magnetic force.

C-magnetic fields within the aircraft distorting the lines of magnetic force.

The angular difference between true north and magnetic north is: A-magnetic deviation. B-magnetic variation. C-compass acceleration error.

B-magnetic variation.

Deviation error of the magnetic compass is caused by: A-a northerly turning error. B-certain metals and electrical systems within the aircraft. C-the difference in location of true north and magnetic north.

B-certain metals and electrical systems within the aircraft.

In the Northern Hemisphere, a magnetic compass will normally indicate a turn toward the north if: A-an aircraft is decelerated while on an east or west heading. B-a left turn is entered from a west heading. C-an aircraft is accelerated while on and east or west heading.

C-an aircraft is accelerated while on and east or west heading.

In the Northern Hemisphere, the magnetic compass will normally indicate a turn toward the south when: A-a left turn is entered from an east heading. B-a right turn is entered from a west heading. C-the aircraft is decelerated while on a west heading.

C-the aircraft is decelerated while on a west heading.

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? A-the compass will initially indicated a turn to the left. B-the compass will indicate a turn to the right, but at a faster rate than is actually occurring. C-the compass will remain on south for a short time, then gradually catch up to the magnetic heading of the airplane.

B-the compass will indicate a turn to the right, but at a faster rate than is actually occurring.

In the Northern Hemisphere, if an aircraft is accelerated or decelerated, the magnetic compass will normally indicate: A-a turn momentarily. B-correctly when on a north or south heading. C-a turn toward the south.

B-correctly when on a north or south heading.

In the Northern Hemisphere, a magnetic compass will normally indicate initially a turn toward the west if: A-a left turn is entered from a north heading. B-a right turn is entered from a north heading. C-an aircraft is accelerated while on a north heading.

B-a right turn is entered from a north heading.

In the Northern Hemisphere, a magnetic compass will normally indicate initially a turn toward the east if: A-an aircraft is decelerated while on a south heading. B-an aircraft is accelerated while on a north heading. C-a left turn is entered from a north heading.

C-a left turn is entered from a north heading.

During flight, when are the indications of a magnetic compass accurate? A-only in straight-and-level unaccelerated flight. B-as long as the airspeed is constant. C-during turns if the bank does not exceed 18 degrees.

A-only in straight-and-level unaccelerated flight.