AC Manuals - M1

Module 1

Air Commerce Act of 1926

Legislation that established federal control over civil aviation and mandated safety regulations.

Airmail Act of 1930

Act that changed the method of awarding mail contracts based on aircraft payload rather than a flat rate.

Civil Aeronautics Act of 1938

Legislation that transferred aviation responsibilities to the Civil Aeronautics Authority and regulated airline fares and routes.

Federal Airport Act of 1946

Act that provided federal funding for airport construction and improvements through the Federal Aid Airport Program.

Federal Aviation Act of 1958

Legislation that established the Federal Aviation Administration (FAA) and transferred aviation regulatory authority from the Civil Aeronautics Board.

Federal Aviation Administration (FAA)

Agency responsible for the regulation and oversight of civil aviation in the United States.

Federal Aviation Regulations (FARs)

Rules governing all aviation activities in the United States, prescribed by the FAA.

Flight Hour(s) (FH)

The total flying hours of an aircraft.

Flight Cycle(s) (FC)

A complete sequence of take-off and landing for an aircraft.

Airworthy

Condition of an aircraft that ensures safe flight operations.

Check (CHK)

Task performed to ensure a system or component is serviceable.

Life limit

Specified time after which an item must be removed from service.

Discard (DIS)

Removal from service of an item at its specified life limit.

Maintenance Task

Actions required to maintain or restore an item to serviceable condition.

Aircraft On Ground (AOG)

A plane with a serious maintenance issue preventing takeoff.

Line Maintenance

Minor maintenance performed on aircraft, either scheduled or unscheduled.

Base Maintenance

Maintenance work conducted in a hangar with specialized tools and equipment.

Field Maintenance

Line maintenance performed at various locations.

Repeat Interval

Maximum time allowed between the completion of a maintenance task and its next occurrence.

Restoration (RST)

Actions necessary to return an item to a specific standard.

Threshold

Deadline for completing tasks that are not performed on a sampling basis.

Lubrication (LUB)

Application of lubricants to maintain the operational capabilities of an item.