Regulations concerning the operational control of a flight refer to exercising authority over initiating, conducting, or terminating a flight. (1.1)

The person responsible for maintaining an aircraft in an airworthy condition is the owner or operator of the aircraft.

The person responsible for assuring compliance with an Airworthiness Directive is the owner or operator of the aircraft.

What documentation is required when a pilot has performed preventive maintenance on an aircraft? The pilot is to make an entry in the aircraft's maintenance records.

To meet the recent flight experience requirements for acting as pilot in command carrying passengers at night, a pilot must have made, within the preceding 90 days and from 1 hour after sunset to 1 hour before sunrise, three takeoffs and landings to a full stop in the same category, class, and type (if a type rating is required) of aircraft to be used. (61.57)

To be eligible for a Student Pilot Certificate limited to airplanes, an applicant is required to be at least how old? 16 years.

If recency of experience requirements for night flight are not met and official sunset is 1830, the latest time passengers may be carried is 1929. (61.57)

A private pilot has completed three takeoffs and three landings to a full stop within the preceding 90 days in a tricycle-gear airplane, single-engine land, and decides to take a passenger for a flight in a tailwheel airplane, single-engine land. Since these aircraft are of the same category and class, the pilot is current in the tricycle-gear airplane. (61.57)
— If the aircraft is a tailwheel airplane, the landings must have been made to a full stop in a tailwheel airplane.

If an airplane category is listed as utility, it would mean that this airplane could be operated in limited aerobatics, including spins (if authorized).
— It should not be confused with normal category aircraft, and authorized spins are permitted.

What is the maximum time period during which a person may use an ATC transponder after it has been tested and inspected?? 24 calendar months. (91.413)

A ELT may be operated for a maximum of 60 minutes before the rechargeable battery must be recharged.

The maximum cumulative time that an emergency locator transmitter may be operated before the rechargeable battery must be recharged is 60 minutes.

May an airplane be operated in formation flight while passengers are carried for hire? No; this is not authorized. (91.111)
— This is legal provided all participating aircraft are operating in a private capacity.

When an aircraft is being flown over water, under what circumstance must approved flotation gear be readily available to each occupant? When operating for hire beyond power-off gliding distance from shore. (91.205)

The holder of a pilot or instructor certificate who fails to notify the FAA Airmen Certification Branch in writing of a change in permanent mailing address may exercise the privileges of that certificate for how many days after the date of change? 30 days. (61.60)

When a permanent change of address occurs, pilot or instructor privileges may not be exercised unless the FAA Airmen Certification Branch is notified, in writing, within 30 days. (61.60)

Pilots who change their permanent mailing address and fail to notify the FAA Airmen Certification Branch of this change, are entitled to exercise the privileges of their pilot certificate for a period of 30 days.

An applicant who fails a knowledge test for the first time may apply for retesting after presenting an endorsement from an authorized instructor certifying that additional training has been given and the applicant is competent to pass the test. (61.49)

A person who the Administrator finds has cheated or committed any unauthorized act during a knowledge test may not take another knowledge test within one year. (14 CFR 61.37)

What action may be taken against a person whom the Administrator finds has cheated on a knowledge test? Any certificate or rating held by the person may be suspended or revoked. (61.37)