SUBCHAPTER A - DEFINITIONS AND GENERAL
REQUIREMENTS
Airport means an area of land or
water that is used or intended to be
used for the landing and takeoff of aircraft, and includes its buildings and facilities, if any.
Airship means an engine-driven lighter-than-air aircraft that can be steered.
Air traffic means aircraft operating in
the air or on an airport surface, exclusive of loading ramps and parking
areas.
Air traffic clearance means an authorization by air traffic control, for the
purpose of preventing collision between
known aircraft, for an aircraft to proceed under specified traffic conditions
within controlled airspace.
Air traffic control means a service operated by appropriate authority to promote the safe, orderly, and expeditious
flow of air traffic.
Air Traffic Service (ATS) route is a
specified route designated for channeling the flow of traffic as necessary
for the provision of air traffic services.
The term  - ATS route -  refers to a variety of airways, including jet routes,
area navigation (RNAV) routes, and arrival and departure routes. An ATS
route is defined by route specifications,
which may include:
(1) An ATS route designator;
(2) The path to or from significant
points;
(3) Distance between significant
points;
(4) Reporting requirements; and
(5) The lowest safe altitude determined by the appropriate authority.
Air transportation means interstate,
overseas, or foreign air transportation
or the transportation of mail by aircraft.
Alert Area. An alert area is established to inform pilots of a specific
area wherein a high volume of pilot
training or an unusual type of aeronautical activity is conducted.
Alternate airport means an airport at
which an aircraft may land if a landing
at the intended airport becomes inadvisable.
Altitude engine means a reciprocating
aircraft engine having a rated takeoff

PART 1 - DEFINITIONS AND
ABBREVIATIONS
Sec.
1.1 General definitions.
1.2 Abbreviations and symbols.
1.3 Rules of construction.

spaschal on DSK3GDR082PROD with CFR

AUTHORITY: 49 U.S.C. 106(f), 106(g), 40113,
44701.

Section 1.1 General definitions.
As used in Subchapters A through K
of this chapter, unless the context requires otherwise:
Administrator means the Federal
Aviation Administrator or any person
to whom he has delegated his authority
in the matter concerned.
Aerodynamic coefficients means nondimensional coefficients for aerodynamic forces and moments.
Air carrier means a person who undertakes directly by lease, or other arrangement, to engage in air transportation.
Air commerce means interstate, overseas, or foreign air commerce or the
transportation of mail by aircraft or
any operation or navigation of aircraft
within the limits of any Federal airway
or any operation or navigation of aircraft which directly affects, or which
may endanger safety in, interstate,
overseas, or foreign air commerce.
Aircraft means a device that is used
or intended to be used for flight in the
air.
Aircraft engine means an engine that
is used or intended to be used for propelling aircraft. It includes turbosuperchargers, appurtenances, and accessories necessary for its functioning,
but does not include propellers.
Airframe means the fuselage, booms,
nacelles, cowlings, fairings, airfoil surfaces (including rotors but excluding
propellers and rotating airfoils of engines), and landing gear of an aircraft
and their accessories and controls.
Airplane means an engine-driven
fixed-wing aircraft heavier than air,
that is supported in flight by the dynamic reaction of the air against its
wings.

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