Mixed Deck — All SPC Topics Flashcards

What is the purpose of the 'base leg' in the traffic pattern?

Answer: To position the aircraft perpendicular to the runway for a turn to final

The base leg is flown perpendicular to the runway and allows the pilot to judge the turn to final and configure the aircraft for landing.

What is the definition of 'Vx' and when would a student pilot use it?

Answer: Best angle of climb speed; used to clear obstacles after takeoff

Vx is best angle of climb speed and provides the greatest altitude gain over the shortest horizontal distance, useful for clearing obstacles.

According to 14 CFR Part 91, a pilot is prohibited from acting as a crewmember of a civil aircraft within how many hours of consuming any alcoholic beverage?

Answer: 8 hours

14 CFR § 91.17 states that no person may act as a crewmember of a civil aircraft within 8 hours after the consumption of any alcoholic beverage. The regulation also prohibits flying with a blood alcohol concentration of 0.04% or greater or while under the influence of alcohol.

Which airspace requires a Mode C transponder at all times?

Answer: Class B airspace

Class B airspace requires an operating Mode C (altitude encoding) transponder for all aircraft operations.

Which type of fog forms when warm, moist air moves over a cooler surface?

Answer: Advection fog

Advection fog forms when warm moist air moves horizontally over a cooler surface, cooling the air to its dew point — common along coastlines and in spring over cold land.

What is the best action if a student pilot becomes lost during a solo cross-country flight?

Answer: Climb to a higher altitude, use navigation aids, and consider contacting ATC for assistance

Climbing improves radio and navigation reception while increasing visibility of landmarks; ATC radar can often provide position identification.

Which fuel system component prevents vapor lock by maintaining positive fuel pressure to the carburetor?

Answer: Electric boost pump

An electric boost pump maintains fuel pressure and helps prevent vapor lock, especially during hot-weather operations.

You are a student pilot planning a flight to a nearby airport that lies within Class D airspace. What is the minimum requirement before you can enter this airspace?

Answer: Establish two-way radio communication with the control tower.

To operate in Class D airspace, a pilot must establish two-way radio communication with the Air Traffic Control facility providing air traffic services prior to entering the airspace and maintain that communication while within the airspace. A specific clearance is not required, unlike in Class B airspace.

You are approaching a non-towered airport to land. On which frequency should you self-announce your position and intentions?

Answer: Common Traffic Advisory Frequency (CTAF)

The Common Traffic Advisory Frequency (CTAF) is the designated frequency for pilots to communicate and self-announce their positions and intentions at an airport without an operating control tower. This allows pilots in the area to maintain situational awareness and sequence themselves safely.

Which statement about wind shear is correct?

Answer: Wind shear is a change in wind speed and/or direction over a short distance and can occur at any altitude

Wind shear is defined as a rapid change in wind direction and/or speed over a short distance and can occur at any altitude — including at low levels during approach and departure.

What primarily determines the coefficient of lift (CL) for a given airfoil?

Answer: Angle of attack and airfoil shape

The coefficient of lift depends primarily on the angle of attack and the shape (camber and thickness) of the airfoil, not directly on airspeed or density.

Which of the following is a primary symptom of carbon monoxide poisoning, which can result from a faulty aircraft cabin heating system?

Answer: Headache, dizziness, and drowsiness

Carbon monoxide (CO) is a colorless, odorless gas that, when inhaled, prevents the blood from carrying oxygen. Early symptoms often include headache, dizziness, and drowsiness. Bluish discoloration (cyanosis) is a sign of severe hypoxia, while tingling sensations are characteristic of hyperventilation.

Which of the following is a limitation that a CFI may place in a student pilot's logbook endorsement for local solo flights?

Answer: Both maximum altitude and weather minimums

FAR 61.87 allows a CFI to specify limitations such as weather minimums, altitude restrictions, and other conditions appropriate for that specific student.

What is the standard traffic pattern direction at most uncontrolled airports?

Answer: Left-hand pattern

Most uncontrolled airports follow a left-hand traffic pattern for safety and consistency.

Alert Areas on sectional charts are depicted to warn pilots of:

Answer: Areas with a high volume of pilot training or unusual aerial activity

Alert Areas notify pilots of high concentrations of student pilot training or unusual aerial activities, though flight is not restricted.

In straight-and-level flight, which statement about the four forces is correct?

Answer: Lift equals weight, thrust equals drag

In unaccelerated straight-and-level flight, opposing forces are equal: lift equals weight, and thrust equals drag.

What type of airspace exists at most small general aviation airports that have an operating control tower?

Answer: Class D

Class D airspace surrounds airports with an operating control tower that don't qualify for Class B or C designation.

A student pilot receives the necessary training and endorsements to fly solo in the local area. How long is the initial solo endorsement in the student's logbook valid for?

Answer: 90 days

As stated in 14 CFR 61.87(n), a student pilot may not operate an aircraft in solo flight unless they have received an endorsement in their logbook from an authorized instructor who gave the training within the preceding 90 days. This endorsement must be updated every 90 days.

During a coordinated turn at 60 degrees of bank, the load factor is approximately:

Answer: 2.0 G

A 60-degree banked coordinated turn produces a load factor of 2.0 G because the vertical component of lift must still support the aircraft's full weight.

How does an increase in gross weight affect an aircraft's takeoff distance?

Answer: Takeoff distance increases because more speed and lift are required

A heavier aircraft requires more lift, which means a higher takeoff speed and therefore a longer ground roll before liftoff.