Aircraft Airworthiness Inspections

Question 1

Where do you find the regulation that specifies the operating conditions that make 100-hour inspection mandatory?

Answer 1

FAR Part 91

Question 2

A certificated A&P mechanic may sign off and approve the return to service following what kind of inspection?

Answer 2

A 100-hour inspection

Question 3

Under what conditions may a mechanic perform an annual inspection and return the aircraft to service?

Answer 3

The mechanic must hold an IA

Question 4

What is the time frame within which an annual inspection must be performed if such an inspection is required?

Answer 4

Within the preceding 12 calendar months

Question 5

Under what conditions may any checklist be used as a guide for a 100-hour inspection?

Answer 5

The checklist must meet the minimum standards specified in FAR Part 43, App D.

Question 6

May an aircraft that is overdue for an annual inspection be flown to a place where the inspection can be performed?

Answer 6

Yes, provided a ferry (special flight) permit is obtained.

Question 7

In order for a an individual person to conduct a 100-hour inspection and approve the return to service, that person must have what type of certificate(s)?

Answer 7

A mechanic’s certificate with both Airframe and Powerplant ratings.

Question 8

An aircraft is required by FAR 91.409 to have a 100-hour inspection. Is it legal to fly that airplane beyond the inspection requirement, and if so, for how long?

Answer 8

Yes, the aircraft may be operated for up to 10 hours, if required, to reach a place where the inspection can be accomplished.

Question 9

An airplane is flown 4 hours over the 100-hour inspection limit to reach your maintenance facility. How do you account for those 4 hours?

Answer 9

The 4 hours are included in the next 100 hours time-in-service period.

Question 10

What types of operations require that aircraft operating under Part 91 must undergo 100-hour inspections?

Answer 10

Aircraft operated for compensation or fire, or used for flight instruction when provided by the flight instructor.

Question 11

An aircraft under a progressive inspection program is operated for compensation or hire. Does it need a 100-hour inspection?

Answer 11

No, progressive inspections replace 100-hour inspections.

Question 12

Who us authorized to supervise a progressive inspection?

Answer 12

Certified A&P with IA, certified repair stations, or the aircraft manufacturer.

Question 13

When a progressive inspection program is discontinued, at what time is the next 100-hour inspection due?

Answer 13

100 hours after the last complete inspection of the progressive program.

Question 14

An owner desires to use a progressive inspection program. To whom does the owner apply for authorization?

Answer 14

To the FAA Flight Standards District Office having jurisdiction over the area where the owner is located.

Question 15

Is an engine run-up required as a part of a 100-hour inspection on a turbine-powered aircraft?

Answer 15

Yes

Question 16

Where would you locate the required items that must be recorded in the aircraft maintenance records following completion of a 100-hour inspection?

Answer 16

FAR Part 43

Question 17

Where might you locate a sample of the recommended statement for recording the approval for return to service of an aircraft following completion of an annual or 100-hour inspection?

Answer 17

FAR Part 43

Question 18

Where would you look to find approved information for work on aircraft electrical systems?

Answer 18

In the manufacturer’s maintenance manual or other instructions for continued airworthiness.

Question 19

What are the limitations placed on mechanics with regard to propellers?

Answer 19

Mechanics may not perform major repairs to, or alterations of, propellers.

Question 20

After equipment is installed in accordance with an STC, who must approve the return to service?

Answer 20

An A&P mechanic who holds an IA.