Aircrdt
Publications
Piper
Comanche
250
(Early
Model)
Section
-
1
General
SYMBOLS, ABBREVIATIONS AND TERMINOLOGY (Cont.)
EL
Flight Level
-
A level of constant atmospheric pressure related to a reference datum of 29.92
inches of mercury. Each level is stated in three digits that represent hundreds of feet. Flight
levels are used in the high altitude route system.
Full Cantilever Wing
A
wing that requires no external bracing. All of the load of the structure
is carried by internal spars, ribs and stringers.
G
A
unit of force of linear, angular and centrifkgal acceleration (or deceleration) measured
relative to the force of gravity. One g at sea level is equal to acceleration at the rate of
32.174 feet per second squared, or 9.807 meters per second squared.
GAD0 General Aviation District Office
-
An
FAA
field office serving a designated geographical
area and staffed with flight standards personnel who have the responsibility of serving the
aviation industry and the general public on all matters relating to the certification and
operation of general aviation aircraft.
GAMA General Aviation Manufacturers Association
-
National trade organization representing
manufacturers of aircraft, engines, avionics and related equipment. Responsible for
establishing specifications for aircraft safety and pilot education.
Glide Ratio The ratio of the forward distance an aircraft travels to the vertical distance it
descends when it is operating without power.
GPH Gallons Per Hour
-
The amount of he1 (in US gallons) consumed by the aircraft's engine
each hour.
Gross Weight The maximum allowable weight for an aircraft. Also used to refer to the total of
the basic empty weight plus the weight of hel, oil and payload when the total of these is less
than the maximum allowable gross weight.
Ground Boosting Use of a turbocharger to boost the horsepower of a reciprocating engine
beyond the sea level rating.
GS Ground Speed
-
The speed of an aircraft relative to the ground and equal to true airspeed in
no wind.
GUMP
Acronym for: Gas, Undercarriage, Mixture, Propeller(s). Used as a memory aid on
landing a retractable gear airplane.
IAMechanic Inspection Authorized Mechanic
-
A
rating issued by the
FAA
to
A&P
mechanics
that allows them to perform Annual and Progressive Inspections. This rating also gives them
the authority to return an aircraft to service after an inspection or a major repair.
IAS
Indicated Airspeed
-
The uncorrected airspeed of an aircraft as shown directly on the
airspeed indicator.
Copyright:
1993
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