Aircran Public~lions
Pipcr Comanchc
250
(Early
Model)
Section
-
1
General
SYMBOLS, ABBREVWTIONS AND TERMINOLOGY (Cont.)
Crosswind Component The wind component measured in knots at 90 degrees to the
longitudinal axis of the runway.
Deck Pressure The induction system pressure measured downstream of the turbo-compressor
and upstream of the engine throttle valve.
Demonstrated Crosswind Velocity The velocity of the crosswind component for which
adequate control of the aircraft during takeoff and landing has actually been demonstrated.
FAA Regulation requires this value to be equal to 30 percent of Vso. The value shown is not
considered to be limiting.
Density Altitude Pressure altitude corrected for non-standard temperature variations
DMCR Designated Manufacturer's Certification Representative
-
An
individual working for a
manufacturer who has been authorized by the FAA to inspect and certify the item produced
by the manufacturer as meeting all federal requirements.
DOA Delegation Option Authorization
-
A
document issued by the FAA authorizing an aircraft
manufacturer to conduct its own aircraft type certification.
EGT Exhaust Gas Temperature
-
Temperature measured in the exhaust manifold and used to
determine air-fuel ratio.
ELT
Emergency Locator Transmitter
-
A self-contained radio transmitter that is automatically
activated by the force of an impact between
5
and
7
gs. When activated it emits an ornni-
directional signal on the international distress frequencies of I2
1.5
and 243.0
MHz.
Its
purpose is to aid in the location of a downed aircraft.
Empty Weight As Weighed The actual weight of an aircraft taken from scale readings, less the
weight of any tare. This figure includes unusable fuel, oil and any other fluids for normal
operation. Original Piper documentation didn't necessarily include all of these items, and in
such cases, these items are added mathematically in weight and balance computations.
FAA Federal Aviation Administration
-
An
agency of the Department of Transportation
responsible for maintaining safe and efficient use of the nation's airspace by both military and
civil aviators, for fostering civil aeronautics and air commerce, and for supporting national
defense. The FAA was formed from the Civil Aeronautics Authority (CAA) in 1958.
FA1 Federation Aeronautique Internationale
-
An
organization of eighty nations with
headquarters in Paris, France. Founded in 1905, it is the sole international authority
responsible for sanctioning all world class aviation and space records.
FCC Federal Communications Commission
-
A governmental board of seven members appointed
by the President under authority of the Communications Act of 1934. The FCC has the
responsibility of regulating the nation's communications and licensing of radio transmitters
operated within the United States.
Copyright:
1993
Page
1-13
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