Ground Instructor Knowledge + FOI

SU 4: Airports, Airspace, and ATC If an aircraft has a transponder, encoding altimeter, and RNAV, the proper equipment suffix to be entered on a flight plan is A. /A B. /I C. /Y

B. /I

SU 4: Airports, Airspace, and ATC How long will a Flight Service Station hold a VFR flight plan past past the proposed departure time? A. 30 minutes B. 1 hour C. 2 hours

B. 1 hour

SU 2: Airplane Performance Which condition causes V(MC) to be the highest? A. CG is at the most forward allowable position B. CG is at the most rearward allowable position C. Gross weight is at the maximum allowable value

B. CG is at the most rearward allowable position

SU 2: Airplane Performance Which is true regarding the operation of a multiengine airplane with one engine inoperative? A. banking toward the operating engine increases V(MC) B. banking toward the inoperative engine increases V(MC) C. V(MC) is a designed performance factor which must be proven during type certification and will not change as long as the ball is centered with appropriate rudder pressure

B. banking toward the inoperative engine increases V(MC)

SU 3: Airplane Instruments, Engines, and Systems Which statement is true about the effect of temperature changes on the indications of a sensitive altimeter? A. warmer-than-standard temperatures will place the aircraft lower than the altimeter indicates B. colder-than-standard temperatures will place the aircraft lower than the altimeter indicates C. colder-than-standard temperatures will place the aircraft higher than the altimeter indicates

B. colder-than-standard temperatures will place the aircraft lower than the altimeter indicates

SU 5: Weight and Balance If the landing gear on an airplane moves forward during retraction, the total moment will A. increase B. decrease C. remain the same

B. decrease

SU 1: Airplanes and Aerodynamics At a constant velocity in airflow, a high aspect ratio wing will have (in comparison with a low aspect ratio wing) A. increased drag, especially at a low angle of attack B. decreased drag, especially at a high angle of attack C. increased drag, especially at a high angle of attack

B. decreased drag, especially at a high angle of attack

SU 4: Airports, Airspace, and ATC What does a destination sign identify? A. entrance to the runway from a taxiway B. direction to takeoff runways C. runway on which an aircraft is located

B. direction to takeoff runways

SU 3: Airplane Instruments, Engines, and Systems Detonation in an aircraft engine is most likely to occur whenever the A. fuel/air ratio is such that the mixture burns extremely slow B. engine is operated under conditions which cause the fuel mixture to burn instantaneously C. fuel being used is of a higher grade than recommended by the engine manufacturer

B. engine is operated under conditions which cause the fuel mixture to burn instantaneously

SU 1: Airplanes and Aerodynamics An airplane leaving ground effect will A. experience a decrease in thrust required B. experience a decrease in stability and a nose-up change in moments C. require a lower angle of attack to attain the same lift

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

SU 1: Airplanes and Aerodynamics As airspeed decreases in level flight, total drag of an aircraft becomes greater than the total drag produced at the maximum lift/drag speed because of the A. decrease in induced drag B. increase in induced drag C. increase in parasite drag

B. increase in induced drag

SU 4: Airports, Airspace, and ATC How long will a filed VFR flight plan be held by the FSS after the proposed departure time?

1 hour

SU 6: Aviation Weather What is standard temperature at mean sea level?

15C (or 59F)

SU 4: Airports, Airspace, and ATC What is the normal radius of the Class C outer area?

20 NM

SU 6: Aviation Weather What is the standard lapse rate?

2C per 1,000 ft. of increased altitude

SU 4: Airports, Airspace, and ATC How wide is the yellow demarcation bar?

3 feet wide

SU 1: Airplanes and Aerodynamics When an airplane is forced into an accelerated stall at twice its normal stalling speed, what is the approximate load factor?

4 G's

SU 4: Airports, Airspace, and ATC If an aircraft has a transponder, encoding altimeter, and DME, the proper equipment suffix to be entered on a flight plan is A. /A B. /I C. /U

A. /A

SU 6: Aviation Weather Consider the following air mass characteristics: 1. cumuliform 2. stable lapse rate 3. unstable lapse rate 4. stratiform clouds and fog 5. smooth air (above the friction level) and poor visibility 6. turbulence up to about 10,000 feet and good visibility except in areas of precipitation A moist air mass, which is colder than the surface over which it passes, frequently has which of the above characteristics? A. 1, 3, and 6 B. 3, 4, and 5 C. 2, 4, and 5

A. 1, 3, and 6

SU 4: Airports, Airspace, and ATC The visual glidepath of a 2-bar VASI provides safe obstruction clearance within +/- 10 degrees of the extended centerline and to a distance of how many miles from the runway threshold? A. 4 NM B. 6 NM C. 10 NM

A. 4 NM

SU 4: Airports, Airspace, and ATC An airport has pilot controlled lighting but runways without approach lights. How many times should you key your microphone to turn on the MIRL at medium intensity? A. 5 clicks B. 3 clicks C. None, the MIRL is left on all night

A. 5 clicks

SU 3: Airplane Instruments, Engines, and Systems In the Northern Hemisphere, which would be correct about started the rollout from a turn using a magnetic compass? A. after the compass indication passes south by a number of degrees approximately equal to the latitude minus the normal rollout lead B. before the compass indication reaches south by a number of degrees approximately equal to the latitude over which the turn is made plus the pilot's normal lead C. after the compass indication passes south by a number of degrees approximately equal to the magnetic variation of the area over which the turn is made plus the pilot's normal lead

A. after the compass indication passes south by a number of degrees approximately equal to the latitude minus the normal rollout lead

SU 6: Aviation Weather One of the most dangerous features of mountain waves is the turbulent areas in and A. below rotor clouds B. above rotor clouds C. below lenticular clouds

A. below rotor clouds

SU 6: Aviation Weather Hail will most likely be encountered A. beneath the anvil cloud of a large cumulonimbus B. during the dissipating stage of the cumulonimbus C. above the cumulonimbus cloud well above the freezing level

A. beneath the anvil cloud of a large cumulonimbus

SU 6: Aviation Weather Which is true regarding the development of convective circulation? A. cool air must sink to force the warm air upward B. warm air is less dense and rises on its own accord C. cool air surrounding convective circulation sinks at a greater rate than the warmer air rises (within the thermal), thus forcing the warmer air upward.

A. cool air must sink to force the warm air upward

SU 4: Airports, Airspace, and ATC What information is contained in the Notices to Airmen Publication (NTAP)? A. current NOTAM (D) and FDC NOTAMs B. military NOTAMs only C. current NOTAM (D), FDC NOTAMs, and military NOTAMs

A. current NOTAM (D) and FDC NOTAMs

SU 6: Aviation Weather The windflow around a low pressure is A. cyclonic B. adiabatic C. anticyclonic

A. cyclonic

SU 2: Airplane Performance For an airplane with reciprocating, nonturbo-charged engines, V(MC) A. decreases with altitude B. increases with altitude C. is not affected by altitude

A. decreases with altitude

SU 3: Airplane Instruments, Engines, and Systems If the grade of fuel used in an aircraft engine is lower than that specified, it may cause A. detonation B. lower cylinder head temperatures C. a decrease in power which could over stress internal engine components

A. detonation

SU 2: Airplane Performance When operating a light multiengine airplane at V(MC), the pilot should expect performance to be sufficient to maintain A. heading B. heading and altitude C. heading, altitude, and be able to climb at 50 feet per minute

A. heading

SU 3: Airplane Instruments, Engines, and Systems Crankcase breather lines of an aircraft engine should receive special attention during preflight in cold weather because they are susceptible to being clogged by A. ice in the breather lines B. congealed oil from the crankcase C. moisture from the outside air which has frozen

A. ice in the breather lines

SU 4: Airports, Airspace, and ATC All operations within Class C airspace must be A. in communication with the responsible ATC facility B. on a flight plan filed prior to arrival or departure C. in an aircraft equipped with a transponder with automatic altitude reporting capability

A. in communication with the responsible ATC facility

SU 1: Airplanes and Aerodynamics If the same angle of attack is maintained in ground effect as when out of ground effect, lift will A. increase, and induced drag will decrease B. decrease, and parasite drag will increase C. decrease, and parasite drag will decrease

A. increase, and induced drag will decrease

SU 4: Airports, Airspace, and ATC When exiting the runway, what is the purpose of the runway exit sign? A. indicates designation and direction of exit taxiway from runway B. indicates designation and direction of taxiway leading out of an intersection C. indicates direction to take-off runway

A. indicates designation and direction of exit taxiway from runway

SU 6: Aviation Weather Cool air moving over a warm surface is generally characterized by A. instability and showers B. stability, fog, and drizzle C. instability and continuous precipitation

A. instability and showers

SU 6: Aviation Weather An increase in temperature with an altitude increase A. is indication of an inversion B. denotes the beginnings of the stratosphere C. means a cold front passage

A. is indication of an inversion

SU 6: Aviation Weather When flying from a high- to a low-pressure area in the Northern Hemisphere, the wind direction and velocity will be from the A. left and increasing B. left and decreasing C. right and increasing

A. left and increasing

SU 4: Airports, Airspace, and ATC A military operations area (MOA) is airspace of defined vertical and lateral limits established for the purpose of A. separating certain military training activities from IFR traffic B. military services conducting VFR low altitude navigation, tactical training, and flight testing C. denoting the existence of unusual hazards to aircraft, such as artillery firing, aerial gunnery. or guided missles

A. separating certain military training activities from IFR traffic

SU 6: Aviation Weather A moist, warm air mass that is being cooled from below is characterized, in part, by A. smooth air B. cumuliform clouds C. showers and thunderstorms

A. smooth air

SU 1: Airplanes and Aerodynamics The tendency of an aircraft to develop forces that further remove the aircraft from its original position, when disturbed from a condition of steady flight, is known as A. static instability B. dynamic instability C. positive static stability

A. static instability

SU 6: Aviation Weather What is the process by which ice can form on a surface directly from water vapor on a cold, clear night? A. sublimation B. condensation C. supersaturation

A. sublimation

SU 1: Airplanes and Aerodynamics When rolling out of a steep-banked turn, what causes the lowered aileron to create more drag than when rolling into the turn? A. the wing's angle of attack is greater as the rollout is started B. the wing being raised is traveling faster through the air than the wing being lowered C. the wing being lowered is traveling faster through the air and producing more lift than the wing being raised

A. the wing's angle of attack is greater as the rollout is started

SU 3: Airplane Instruments, Engines, and Systems Air cooled engines dissipate heat A. through cooling fins on the cylinder and head B. by air flowing through the radiator fins C. through the cylinder head temperature probe

A. through cooling fins on the cylinder and head

SU 1: Airplanes and Aerodynamics Which statement describes the relationship of the forces acting on an aircraft in a constant-power and constant-airspeed descent? A. thrust is equal to drag; lift is equal to weight B. thrust is equal to drag; weight is greater than lift C. thrust is greater than drag; weight is greater than lift

A. thrust is equal to drag; lift is equal to weight

SU 6: Aviation Weather At approximately what altitude above the surface would you expect the base of cumuliform clouds if the surface air temperature is 33C and the dewpoint is 15C? A. 4,100 feet AGL B. 6,000 feet AGL C. 7,200 feet AGL

C. 7,200 feet AGL

SU 1: Airplanes and Aerodynamics Which type of flap creates the greatest change in pitching moment? A. Plain B. Split C. Fowler

C. Fowler

SU 4: Airports, Airspace, and ATC Which indications would a pilot see while approaching to land on a runway served by a 2-bar VASI? A. if below the glidepath, the near bars will be red and the far bars will be white B. If on the glidepath, the near bars will appear red and the far bars will appear white C. If departing to the high side of the glidepath, the far bars will change from red to pink to white.

C. If departing to the high side of the glidepath, the far bars will change from red to pink to white.

SU 4: Airports, Airspace, and ATC When are ATIS broadcasts updated? A. only when the ceiling and/or visibility changes by a reportable value B. Every 30 minutes if weather conditions are below basic VFR; otherwise hourly C. Upon receipt of any official weather, regardless of content change or reported values

C. Upon receipt of any official weather, regardless of content change or reported values

SU 4: Airports, Airspace, and ATC A military airport can be identified by A. a white and red rotating beacon B. white flashing sequence lights (strobes) C. a green and dual-peaked white rotating beacon

C. a green and dual-peaked white rotating beacon

SU 1: Airplanes and Aerodynamics Which statement is true regarding airplane flight at L/D_max? A. any angle of attack other than that for L/D_max increases parasite drag B. any angle of attack other than that for L/D_max increases the lift/drag ratio C. any angle of attack other than that for L/D_max increases total drag for a given airplane's lift

C. any angle of attack other than that for L/D_max increases total drag for a given airplane's lift

SU 3: Airplane Instruments, Engines, and Systems During preflight in cold weather, crankcase breather lines should receive special attention because they are susceptible to being clogged by A. congealed oil from the crankcase B. moisture from the outside air C. ice from crankcase vapors that have condensed and subsequently frozen

C. ice from crankcase vapors that have condensed and subsequently frozen

SU 1: Airplanes and Aerodynamics A line drawn from the leading edge to the trailing edge of an airfoil and equidistant at all points from the upper and lower contours is called the A. chord line B. camber line C. mean camber line

C. mean camber line

SU 3: Airplane Instruments, Engines, and Systems To absorb maximum engine power and to develop maximum thrust, a constant-speed propeller should be adjusted to a blade angle which will produce a A. large angle of attack and low RPM B. large angle of attack and high RPM C. small angle of attack and high RPM

C. small angle of attack and high RPM

SU 3: Airplane Instruments, Engines, and Systems For internal cooling, air-cooled engines are especially dependent on A. a properly functioning thermostat B. air flowing over the exhaust manifold C. the circulation of lubricating oil

C. the circulation of lubricating oil

SU 4: Airports, Airspace, and ATC When on the upper glidepath of a 3-bar VASI, what would be the colors of the lights? A. all three sets of lights would be white B. The near bar is white and the middle and far bars are red C. the near and middle bars are white and the upper bar is red

C. the near and middle bars are white and the upper bar is red

SU 2: Airplane Performance As altitude increases, what happens to the indicated airspeed at which a given airplane stalls in a particular configuration?

It remains the same as at low altitude

SU 6: Aviation Weather If the air is humid and the mountain wave is of large amplitude, what type of clouds mark the wave's crest?

Lenticular clouds

SU 3: Airplane Instruments, Engines, and Systems What is the "blade angle of a propeller" ?

The angle between the chord line and the plane of rotation

SU 2: Airplane Performance On most light multi-engine airplanes with clockwise rotating propellers, which engine is the critical engine and why?

The critical engine is the left engine because of the P-factor of the right propeller.

SU 5: Weight and Balance What type of spin may develop if the CG is too far aft?

a flat spin

SU 3: Airplane Instruments, Engines, and Systems What mixture setting leads to spark plug fouling?

a mixture setting that is too rich, which causes a cooling of the combustion chamber

SU 6: Aviation Weather What is precipitation induced fog?

a result of saturation due to evaporation of precipitation. (most commonly associated with warm fronts)

SU 2: Airplane Performance For multi-engine aircraft, what is V_MC and how can a pilot increase V(MC)?

a) V(MC) means the calibrated airspeed at which, when the critical engine is suddenly made inoperative, it is possible to maintain control of the airplane b) banking toward the inoperative engine increases V(MC)

SU 2: Airplane Performance How does the best rate-of-climb airspeed decrease with increasing altitude?

approximately 0.8 knots per 1,000-ft. increase of altitude

SU 6: Aviation Weather At what approximate rate do temperature and dewpoint converge?

approximately 4.4F (2.5C) per 1,000 ft.

SU 3: Airplane Instruments, Engines, and Systems When are pitot-static system installation errors generally the greatest?

at low airspeeds when the airplane is flying at a higher angle of attack

SU 3: Airplane Instruments, Engines, and Systems Colder-than-standard temperatures will place the aircraft (lower or higher?) than the altimeter indicates?

colder-than standard temperatures will place the aircraft lower than the altimeter indicates

SU 1: Airplanes and Aerodynamics The capability of an aircraft to respond to the pilot's inputs is its ___________

controllability

SU 4: Airports, Airspace, and ATC How often are AF/Ds are published?

every 56 days

SU 4: Airports, Airspace, and ATC What should be done before attempting to enter a restricted area?

flight into a restricted area should not be attempted unless the pilot has received prior authorization from the controlling agency

SU 4: Airports, Airspace, and ATC What does an outbound destination sign identify?

identifies the direction to the takeoff runways

SU 3: Airplane Instruments, Engines, and Systems What does a manifold pressure gauge measure?

it measures the air pressure in the fuel/air induction manifold

SU 3: Airplane Instruments, Engines, and Systems What's one purpose of the exhaust gas temperature (EGT) gauge?

it permits the mixture to be properly leaned so that the engine runs at the optimal temperature for better economy

SU 4: Airports, Airspace, and ATC The number at the end of each runway indicates the ______ _______.

magnetic alignment

SU 1: Airplanes and Aerodynamics The quality of an aircraft that permits it to be operated easily and to withstand the stresses imposed on it is the ___________ of the aircraft

maneuverability

SU 3: Airplane Instruments, Engines, and Systems What is the upper limit of the green arc of an airspeed indicator?

maximum structural cruising speed -- or -- V(NO)

SU 6: Aviation Weather When flying over ridges or mountain ranges, on what side of the mountain is there the greatest potential danger from turbulent air currents? Why?

on the leeward (downwind) side of the mountain; you are flying into a downdraft

SU 4: Airports, Airspace, and ATC All lights on the last 1,000 ft. of runway centerline are _____.

red

SU 1: Airplanes and Aerodynamics Centrifugal force is greater than the horizontal component of lift in _________ turns

skidding

SU 1: Airplanes and Aerodynamics Centrifugal force is less than the horizontal component of lift in _________ turns

slipping

SU 6: Aviation Weather When relative humidity is high beneath a low-level temperature inversion, what conditions are to be expected?

smooth air and poor visibility due to fog, haze, or low clouds

SU 1: Airplanes and Aerodynamics The tendency of an aircraft to develop forces that restore it to its original condition is known as its _________.

stability

SU 3: Airplane Instruments, Engines, and Systems If the static pressure tubes are broken inside a pressurized cabin during a high-altitude flight, what will the altimeter likely indicate and why?

the altimeter will probably indicate a lower-than-actual flight altitude because the pressure in the cabin is greater than the pressure outside

SU 3: Airplane Instruments, Engines, and Systems What is maneuvering speed?

the maximum speed at which full deflection of aircraft controls can be made without causing structural damage. (also, the maximum speed for flight in turbulent air.)

SU 6: Aviation Weather What is relative humidity?

the ratio of existing water vapor in the air compared to the amount that could exist at a given temperature

SU 6: Aviation Weather Whats the altitude of the top of the troposphere?

the troposphere is, on average, 7 miles high

SU 4: Airports, Airspace, and ATC When are pilots encouraged to turn on their landing lights?

when operating below 10,000 ft., day or night, especially within 10 mi. of any airport

SU 1: Airplanes and Aerodynamics A sweptback wing has a tendency to stall at the ______ first and progress ________.

wingtip; inward to the wing root

SU 5: Weight and Balance When will stalling speed be at its highest?

with a high gross weight and forward CG

SU 5: Weight and Balance What is characteristic of the indicated airspeed if the CG is at the most forward allowable position and constant power and altitude are maintained? A. there is no relationship between the CG location and indicated airspeed B. indicated airspeed will be less than it would be with the CG in the most rearward allowable position C. indicated airspeed will be greater than it would be with the CG in the most rearward allowable position

B. indicated airspeed will be less than it would be with the CG in the most rearward allowable position

SU 1: Airplanes and Aerodynamics If the airspeed increases and decreases during longitudinal phugoid (long period) oscillations, the aircraft A. will display poor trimming qualities B. is maintaining a nearly constant angle of attack C. is constantly changing angle of attack making it difficult for the pilot to reduce the magnitude of the oscillations

B. is maintaining a nearly constant angle of attack

SU 1: Airplanes and Aerodynamics During flight with zero angle of attack, the pressure along the upper surface of a wing would be A. equal to atmospheric pressure B. less than atmospheric pressure C. greater than atmospheric pressure

B. less than atmospheric pressure

SU 3: Airplane Instruments, Engines, and Systems The reason for variations in geometric pitch (twisting) along a propeller blade is that it A. prevents the portion of the blade near the hub to stall during cruising flight B. permits a relatively constant angle of attack along its length when in cruising flight C. permits a relatively constant angle of incidence along its length when in cruising flight

B. permits a relatively constant angle of attack along its length when in cruising flight

SU 1: Airplanes and Aerodynamics An aircraft wing is designed to produce lift resulting from A. negative air pressure below the wing's surface and positive air pressure above the wing's surface B. positive air pressure below the wing's surface and negative air pressure above the wing's surface C. a larger center of pressure above the wing's surface and a lower center of pressure below the wing's surface

B. positive air pressure below the wing's surface and negative air pressure above the wing's surface

SU 3: Airplane Instruments, Engines, and Systems What does the lower limit of the white arc on an airspeed indicator represent? A. minimum controllable airspeed with flaps extended B. power-off stall speed in a landing configuration C. power-off stall speed in a specified configuration

B. power-off stall speed in a landing configuration

SU 1: Airplanes and Aerodynamics The resistance, or skin friction, due to the viscosity of the air as it passes along the surface of a wing is called A. form drag B. profile drag C. parasite drag

B. profile drag

SU 6: Aviation Weather The formation of either predominately stratiform or predominately cumuliform clouds is dependent upon the A. source of lift B. stability of the air being lifted C. percent of moisture content of the air being lifted

B. stability of the air being lifted

SU 6: Aviation Weather Select the true statement pertaining to the life cycle of a thunderstorm. A. the initial stage of a thunderstorm is always indicated by the development of a nimbus cloud B. the beginning of rain at the Earth's surface indicates the mature stage of the thunderstorm. C. the beginning of rain at the Earth's surface indicates the dissipating stage of the the thunderstorm

B. the beginning of rain at the Earth's surface indicates the mature stage of the thunderstorm.

SU 1: Airplanes and Aerodynamics Why does increasing speed also increase lift? A. the increased velocity of the relative wind overcomes the increased drag B. the increased impact of the relative wind on the airfoil's lower surface creates a greater amount of air being deflected downward C. the increased speed of the air passing over an airfoil's upper surface increases the pressure, thus creating a greater pressure differential between the upper and lower surface

B. the increased impact of the relative wind on the airfoil's lower surface creates a greater amount of air being deflected downward

SU 1: Airplanes and Aerodynamics As a result of gyroscopic precession, it can be said that any A. pitching around the lateral axis results in a rolling moment B. yawing around the vertical axis results in a pitching moment C. pitching around the longitudinal axis results in a yawing moment

B. yawing around the vertical axis results in a pitching moment