Part 91 Regulations

Question 1

91.3 What is the primary responsibility of the pilot in command?

Answer 1

The pilot in command is directly responsible for and is the final authority as to the operation of the aircraft.

Question 2

91.3 In what situation can the pilot in command deviate from established rules?

Answer 2

In an in-flight emergency requiring immediate action.

Question 3

91.3 What must a pilot in command do after deviating from a rule due to an emergency?

Answer 3

Send a written report of that deviation to the Administrator upon request.

Question 4

91.3 What must a pilot in command provide if they deviate from a rule during an emergency?

Answer 4

A written report to the Administrator upon request.

Question 5

91.5 What is required for a pilot in command of an aircraft requiring more than one pilot?

Answer 5

The pilot in command must meet the requirements of §61.58 of this chapter.

§61.58 outlines the specific qualifications and training necessary for pilots in command of multi-pilot aircraft.

Question 6

91.7 Who is responsible for determining the airworthiness of a civil aircraft?

Answer 6

The pilot in command.

Question 7

91.13 Careless and Reckless Operation

Answer 7

No person may operate an aircraft in a careless or reckless manner so as to endanger the life or property of another

Question 8

91.15 Dropping Objects

Answer 8

No pilot in command of a civil aircraft allow any object to be dropped from that aircraft in flight that creates a hazard to persons or property.

However, this section does not prohibit the dropping of any object if reasonable precautions are taken to avoid injury or damage to persons or property.

Question 9

91.17 What is the minimum time after consuming alcohol that a person may not act as a crewmember of a civil aircraft?

Answer 9

8 hours

This regulation is to ensure safety and prevent impairment during flight operations.

Question 10

91.17 What is the maximum allowable alcohol concentration in blood or breath for a crewmember of a civil aircraft?

Answer 10

0.04

This limit is set to maintain safety standards in aviation.

Question 11

91.17 True or False: A pilot may allow an intoxicated person to be carried in a civil aircraft during an emergency.

Answer 11

False

Except in emergencies, pilots must not allow intoxicated individuals aboard.

Question 12

91.17 What must a crewmember do upon request of a law enforcement officer regarding alcohol testing?

Answer 12

Submit to a test to indicate the alcohol concentration

This is applicable if the officer is authorized to conduct the test.

Question 13

91.17 What must a crewmember do if the FAA has reasonable belief of a violation concerning alcohol concentration?

Answer 13

Furnish test results taken within 4 hours

This applies to tests indicating alcohol concentration in blood or breath.

Question 14

91.17 What is required if the Administrator suspects a violation regarding drug use by a crewmember?

Answer 14

Furnish test results taken within 4 hours of acting as a crew member, indicating the presence of drugs

This must occur upon request by the Administrator.

Question 15

91.17 What is the exception for a pilot allowing an intoxicated person on board?

Answer 15

Medical patient under proper care

This exception is specified to ensure safety while accommodating necessary medical transport.

Question 16

What is prohibited under §91.19 regarding the carriage of narcotic drugs?

Answer 16

No person may operate a civil aircraft within the United States with knowledge that narcotic drugs, marihuana, and depressant or stimulant drugs or substances are carried in the aircraft.

This applies to drugs as defined in Federal or State statutes.

Question 17

What is prohibited under §91.21 regarding portable electronic devices?

Answer 17

No person may operate, nor may any operator or pilot in command of an aircraft allow the operation of, any portable electronic device on any U.S.-registered civil aircraft operated by the holder of an air carrier operating certificate or an operating certificate or any aircraft while operating IFR, unless it is determined by the operator or PIC that the device will not cause interference.

Question 18

91.21 Who is responsible for determining if a portable electronic device will cause interference in an aircraft operated by an air carrier?

Answer 18

The operator of the aircraft on which the particular device is to be used.

Question 19

91.21 Who can make the determination regarding portable electronic devices in other types of aircraft?

Answer 19

The pilot in command or other operator of the aircraft.

Question 20

91.25 What is the primary purpose of the Aviation Safety Reporting Program?

Answer 20

To allow for the reporting of safety issues without fear of enforcement actions.

Question 21

91.11 Prohibition on Interference with Crewmembers

Answer 21

No person may assault, threaten, intimidate, or interfere with a crewmember in the performance of the crewmembers duties aboard an aircraft being operated.

Question 22

91.103 What must each pilot in command become familiar with before beginning a flight under IFR or not in the vicinity of an airport?

Answer 22

All available information concerning that flight

This includes weather reports, fuel requirements, alternatives if the flight cannot be completed, and known traffic delays.

Question 23

91.105 What must each required flight crewmember do during takeoff and landing?

Answer 23

Be at the crewmember station unless necessary to perform duties or due to physiological needs

This refers to the requirement for crewmembers to remain at their designated positions during critical phases of flight.

Question 24

91.105 When must U.S.-registered civil aircraft crewmembers keep their shoulder harness fastened?

Answer 24

During takeoff and landing

This applies specifically to the assigned duty station of the crewmember.

Question 25

91.105 Under what conditions is a flight crewmember exempt from wearing a shoulder harness?

Answer 25

If the seat is not equipped with a shoulder harness or if unable to perform required duties with it fastened ## Footnote These exceptions ensure that crewmembers can safely and effectively carry out their responsibilities.

Question 27

91.111 Formation flight

Answer 27

No person may operate an aircraft so close to another aircraft as to create a collision hazard. ## Footnote This regulation emphasizes the importance of maintaining safe distances between aircraft to prevent accidents.

Question 28

Under what condition can aircraft be operated in formation flight according to §91.111(b)?

Answer 28

Only by arrangement with the pilot in command of each aircraft in the formation. ## Footnote This ensures coordination and safety among all aircraft involved in formation flying.

Question 29

What is the restriction on formation flight for aircraft carrying passengers for hire as stated in §91.111(c)?

Answer 29

No person may operate an aircraft, carrying passengers for hire, in formation flight. ## Footnote This rule is in place to prioritize safety and reduce risks associated with commercial flights.

Question 30

91.113 Who has right of way over all other aircraft

Answer 30

An aircraft in distress

Question 32

What is the minimum safe altitude for aircraft operation except during takeoff or landing?

Answer 32

An altitude allowing emergency landing without undue hazard to persons or property on the surface. ## Footnote This is a general requirement for all aircraft operations, ensuring safety in case of power unit failure.

Question 33

What is the minimum altitude over congested areas?

Answer 33

1,000 feet above the highest obstacle within a horizontal radius of 2,000 feet of the aircraft. ## Footnote This regulation is designed to protect people and property in urban settings.

Question 34

91.119 What is the minimum altitude for aircraft flying over non-congested areas?

Answer 34

500 feet above the surface, except over open water or sparsely populated areas. ## Footnote In these cases, aircraft must not operate closer than 500 feet to any person, vessel, vehicle, or structure.

Question 35

91.119 What are the minimum altitude exemptions for helicopters?

Answer 35

Helicopters may operate at less than the minimums prescribed for congested or non-congested areas if following FAA-prescribed routes or altitudes. ## Footnote This allows for more flexibility in helicopter operations compared to other aircraft.

Question 36

What is the minimum altitude required when flying over sparsely populated areas?

Answer 36

500 feet above the surface. ## Footnote This is similar to the requirement for non-congested areas but allows for more operational flexibility.