the Aviation Dictionary

commercial fastener compass locator
commercial fastener - A fastener manufactured to communications satellite - A satellite placed in geopublished
standards and stocked by manufacturers or stationary orbit used for the relay of communications
distributors. The material, dimensions, and finish of transmissions from Earth.
commercial fasteners conform to the quality level
community aerodrome radio station (CARS) - An
generally recognized by manufacturers and users as
aerodrome radio that provides weather, field
commercial quality.
conditions, accepts flight plans and position reports.
commercial maneuvers - Consists of maximum
commutator - The copper bars on the end of a
performance takeoffs and landings, steep turns,
generator armature to which the rotating coils are
chandelles, lazy eights, and eights-on-pylons
attached. AC is - generated in the armature and the
commercial operator - A person who, for brushes riding on the commutator act as a mechanical
compensation or hire, engages in the carriage by rectifier to convert it into DC.
- -
aircraft in air commerce of persons or property, other
compact disk (CD)- A small plastic optical disk that
than as an air carrier or foreign air carrier or under the
contains recorded music or computer data. Also, a
authority of Part 375. Where it is doubthl that an
popular format for storing information digitally. The
operation is for "compensation or hire", the test applied
major advantage of a CD is its capability to store
is whether the carriage by air is merely incidental to the
enormous amounts of information.
person's other business or is, in itself, a major
enterprise for profit.
commercial pilot - An FAA pilot certificate that allows
the pilot to operate an aircraft for hire.
common point - A significant point over which two or
more aircraft will report passing or have reported
passing before proceeding on the same or diverging
tracks. To establishlmaintain longitudinal separation, a
controller may determine a common point not
originally in the aircraft's flight plan and then clear the
aircraft to fly over the point.
common portion - See common route.
common route - That segment of a North American
Route between the inland navigation facility and the
coastal fix.
common traffic advisory frequency (CTAF) - A
frequency designed for the purpose of carrying out
airport advisory practices while operating to or from an
uncontrolled airport. The CTAF may be a UNICOM,
MULTICOM, FSS, or tower frequency and it is
identified in appropriate aeronautical publications.
communication process - Consists of three basic
elements: the source, the symbols used to communicate
the message, and the receiver. In addition, feedback is
essential for effective communication to take place.
communication skills - The skills an instructor must
develop to communicate effectively with students. The
ability to communicate effectively as an instructor
begins with an understanding of the communication
process and is enhanced by experience and training.
communications - In electronics, changing information
(audible or digital) into a form that can be transmitted
and then changed back into information at the receiver.
communications receiver - A device that receives
electronic data and converts it into information
appropriate for use.
comparator - A device for inspecting parts by
comparing them with a greatly enlarged standard chart.
compartment - A separate and enclosed space in an
aircraft structure.
compass - 1. A device for determining direction
measured from magnetic north. 2. A drafting
instrument used to create circles or arcs.
compass card - In navigation, a card affixed to a
magnet and allowed to rotate freely so as to show the
direction of travel. Divided into degrees and cardinal
compass headings.
compass compensation - The procedure of adjusting
the magnetic compass in an aircraft for deviation
caused by magnetic forces within the aircraft.
compass correction card - A card mounted near a
compass and in full sight of the pilot that indicates the
difference between the compass reading and the actual
magnetic heading.
compass heading - A compass reading that will make
good the desired course. It is the desired course (true
course) corrected for variation, deviation, and wind.
compass locator - A low-frequency, non-directional
beacon (NDB) co-located with the marker beacons on
an ILS approach. Used to help establish the pilot's
~osition on the localizer.
compass locator - A low power, low or medium
frequency (LMF) radio beacon installed at the site of
the outer or middle marker of an instrument landing
system (ILS). It can be used for navigation at distances
of approximately 15 mlles or as authorized in the
approach procedure.
a. Outer Compass Locator (LOM)- A compass locator
installed at the site of the outer marker of an instrument
landing system.
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