1 - Airplane Instruments: FAA Instrument Questions Flashcards

Aviation terminology
Terms Definitions
On the Taxi check, the magnetic compass should;
Swing freely and indicate known headings.
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 it is actually occurring.
On what headings will the magnetic compass read most accurately during a level 360 degree turn, with a bank angle of approximately 15 degrees?
90 and 270 degrees.
What causes the northernly turning error in a magnetic compass?
The magnetic dip characteristic.
What should be the indication on the magnetic compass as you roll into a standard rate turn to the left from a south heading in the Northern hemisphere?
The compass will indicate a turn to the left, but at a faster rate than it is actually occurring.
What should be the indication on the magnetic compass as you roll into a standard rate turn to the right from a westerly heading in the Northern hemisphere?
The compass will indicate the approximate correct magnetic heading if the roll into the turn is smooth.
What should be the indication on the magnetic compass as you roll into a standard rate turn to the right from an easterly heading in the northern hemisphere?
The compass will indicate the approximate correct magnetic heading if the roll into the turn is smooth.
What should be the indication on the magnetic compass as you roll into a standard rate turn to the left from an westerly heading in the northern hemisphere?
The compass will indicate the approximate correct magnetic heading if the roll into the turn is smooth.
What should be the indication on the magnetic compass as you roll into a standard rate turn to the left from an easterly heading in the northern hemisphere?
The compass will indicate the approximate correct magnetic heading if the roll into the turn is smooth.
What should be the indication of the magnetic compass as you roll into a standard rate turn to the right from a Northernly heading in the Northern Hemisphere?
The compass will initially indicate a turn to the left.
What should be the indication of the magnetic compass as you roll into a standard rate turn to the left from a Northernly heading in the Northern Hemisphere?
The compass will initially indicate a turn to the right.
During flight, if the pitot tube becomes clogged with ice, which instruments would be affected?
The airspeed indicator only.
If both the ram air input and the drain hole of the pitot system are blocked, what reaction should you observe on the airspeed indicator when power is applied and a climb is initiated out of severe icing conditions?
No change until the actual climb rate is established, then indicated airspeed will increase.
What indication should a pilot observe if an airspeed indicator ram air input and drain hole are blocked?
The airspeed indicator will react as an altimeter.
If both the ram air input and the drain hole of the pitot system are blocked, what airspeed indication can be expected? (In level fight...)
No variation in level flight even if large power changes are made.
If the outside air temperature increases during a flight at constant power and at a constant indicated altitude, the true airspeed will;
Increase, and true altitude will increase.
If, while in level flight, it becomes necessary to use an alternate source of static pressure vented inside the airplane, what should the pilot expect the altimeter to do?
The altimeter to read higher than normal.
If, while in level flight, it becomes necessary to use an alternate source of static pressure vented inside the airplane, what variations in instrument indications should the pilot expect?
The altimeter to read higher than normal, airspeed greater than normal and VSI to temporarily show a climb.
If, while in level flight, it becomes necessary to use an alternate source of static pressure vented inside the airplane, what should the pilot expect of the VSI?
The vertical speed indicator will momentarily show a climb.
What would be the indication on the VSI during entry into a 500 FPM actual descent from level flight if the static ports were iced over?
The VSI pointer would remain at zero, regardless of actual descent rate.
You check the flight instruments during taxi and find the VSI indicates a descent of 100 FPM. In this case you;
May use 100 FPM as the zero indication.
(Vertical speed Indicator is not a required instrument)
What information does a Mach meter present?
The ratio of aircraft true airspeed to the speed of sound.
How should you preflight check the altimeter prior to an IFR flight?
Set the altimeter to the current altimeter setting. The indication should be within 75 feet of the actual elevation for acceptable accuracy.
Pressure altitude is the altitude read on your altimeter when the instrument is adjusted to indicate height above;
The standard datum plane.
The local altimeter setting should be used by all pilots in a particular area, primarily to provide for;
Better vertical separation of aircraft.
Describe the positions of the 3 altimeter needles at 8000 feet.
Shortest hand points to 8, thinest needle just under 1, and long white needle at 0.
Describe the positions of the 3 altimeter needles at 12000 feet.
Shortest hand points to 2, thinest needle just over 1, and long white needle at 0.
Altimeter setting is the value to which the scale of the pressure altimeter is set so the altimeter indicates;
True altitude at airfield elevation.
If you are departing from an airport where you cannot obtain an altimeter setting, you should set your altimeter;
To the airport elevation.
What altitude is indicated when the altimeter is set to 29.92" Hg?
Pressure.
The Pressure altitude at a given location is indicated on the altimeter after the altimeter is set to;
29.92" Hg
How can you determine the pressure altitude on an airport without a tower or FSS?
Set the altimeter to 29.92" Hg and read the altitude indicated.
How can you obtain the pressure altitude on flights below 18,000 feet?
Set your altimeter to 29.92" Hg.
At an altitude of 6500 feet MSL, the current altimeter setting is 30.42" Hg. The pressure altitude would be approximately;
6000 feet.
How much (in feet) would 1.52" Hg represent?
1520 feet.
How does a pilot normally obtain the current altimeter setting during an IFR flight in Class E airspace below 18,000 feet?
ATC periodically advises the pilot of the proper altimeter setting.
What is the type of altitude used when maintaining FL210?
Pressure.
What is the procedure for setting the altimeter when assigned an IFR altitude of 18000 feet or higher on a direct flight off airways?
Set the altimeter to the current reported setting for climb-out and 29.92" Hg upon reaching 18,000 feet.
While you are flying at FL 250, you hear ATC give you an altimeter setting of 28.92" Hg in your area. At what pressure altitude are you flying?
25,000 feet.
(Remember, FL = a pressure Altitude by definition. The rest is to trick you)
En route at FL 290, the altimeter is set correctly, but not reset to the local altimeter setting of 30.57" Hg during descent. If the field elevation is 650 feet and the altimeter is functioning properly, what is the approximate indication upon landing?
Sea Level.
En route at FL 290, the altimeter is set correctly, but not reset to the local altimeter setting of 30.26" Hg during descent. If the field elevation is 134 feet and the altimeter is functioning properly, what is the approximate indication upon landing?
206 feet below MSL
Under which condition will pressure altitude be equal to true altitude?
When standard atmospheric conditions exist.
Under which condition will pressure altitude and density altitude be equal?
At standard temperature.
Under which condition will true altitude be lower than indicated altitude with an altimeter setting of 29.92" Hg?
In colder than standard atmosphere.
When an altimeter is changed from 30.11" Hg to 29.96" Hg, in which direction will the indicated altitude change and by which value?
The Altimeter will indicate 150 feet lower.
Which condition would cause the altimeter to indicate a lower altitude than actually flown? (true altitude)
Air temperature warmer than standard.
Which practical test should be made on the electric gyro instruments prior to starting an engine?
Turn on the electrical power and listen for any unusual or irregular noise.
One characteristic that a properly functioning gyro depends upon for operation is the;
Resistance to deflection of the spinning wheel or disc.
What pre-takeoff check should be made of a vacuum-driven heading indicator in preparation for an IFR flight?
After 5 minutes, set the indicator to the magnetic heading of the aircraft and check for proper alignment after taxi turns.
The heading on a remote indicating compass is 120 degrees and the magnetic compass indicates 110 degrees. What action is
Select the free gyro mode and depress the clockwise heading drive button.
When the system is in the free gyro mode, depressing the clockwise manual heading drive button will rotate the remote indicating compass card to the;
right to eliminate left compass error.
The heading on a remote indicating compass is 5 degrees to the left of that desired. What action is required to move the desired heading under the heading reference?
Select free gyro mode and depress the counter-clockwise heading drive button.
What pre-takeoff check should be made of the attitude indicator in preparation for an IFR flight?
The horizon bar should erect and become stable within 5 minutes.
Which condition during taxi is an indication that an attitude indicator is unreliable?
The horizon bar tilts more than 5 degrees while making taxi turns.
During coordinated turns, which force moves the pendulous vanes of a vacuum-driven attitude indicator resulting in precession of the gyro toward the inside of the turn?
Centrifugal
If a 180 degree steep turn is made to the right and the aircraft is rolled out to straight and level flight by visual references, the attitude indicator;
May show a slight climb and turn.
During normal coordinated turns, what error due to precession should you observe when rolling out to straight and level flight from a 180 degree steep turn to the right?
The miniature aircraft would show a slight turn indication to the left.
During normal operation of a vacuum-driven attitude indicator, what attitude indication should you see when rolling out from 180 degree skidding turn to straight and level coordinated flight?
The miniature aircraft shows a turn in the direction opposite to the skid.
Errors in both pitch and bank indication on an attitude indicator are usually at a maximum as the aircraft rolls out of a;
180 degree turn.
When an aircraft is decelerated, some attitude indicators will precess and incorrectly indicate a;
Descent.
When an aircraft is accelerated, some attitude indicators will precess and incorrectly indicate a;
Climb
Prior to starting an engine, you should check the turn-and-slip indicator to determine if the;
needle is approximately centered and the tube is full of fluid.
What indications should you observe on the turn-and-slip indicator during taxi?
The ball moves freely opposite the turn, and the needle deflects in the direction of the turn.
What indication should be observed on a turn co-coordinator during a right turn while taxiing?
The miniature aircraft will show a turn to the right and the ball moves to the left.
What indications are displayed by the miniature aircraft of a turn coordinator? (Directly)
Rate of roll and rate of turn.
What does the miniature aircraft of the turn coordinator directly display?
Rate of roll and rate of turn.
What indications are presented by the miniature aircraft of a turn coordinator?
Indirect indication of the bank attitude.
The displacement of a turn coordinator during a coordinated turn will;
Increase as angle of bank increases.
What indication should be observed on a turn coordinator during a left turn while taxiing?
The miniature aircraft will show a turn to the left and the ball moves to the right.
/ 69
Term:
Definition:
Definition:

Leave a Comment ({[ getComments().length ]})

Comments ({[ getComments().length ]})

{[comment.username]}

{[ comment.comment ]}

View All {[ getComments().length ]} Comments
Ask a homework question - tutors are online