°C — degrees Celsius — Aviation Definition

Words for: Aircraft Systems

airmen
Rotorcraft
gyroplane
utility category
acrobatic category
aerodynamics
airworthiness standards
normal category
acrobatic
transport category
standard airworthiness certificate
Special airworthiness certificate
type certificated
provisional airworthiness certificate
consensus of standards
airframe
conformity inspection
CG — center of gravity
CL — center of lift
unaccelerated flight
longitudinal axis
relative wind
monoplane
roll axis
lateral axis
cantilever
pitch axis
vertical axis
yaw axis
dynamically unstable
fuselage
trailing edge
wing
empennage
open truss structure
Monocoque
aerodynamic forces
semimonocoque
airfoil
wing struts
semi-cantilever
Cantilever wing
spar
stringers
AOA — angle of attack
billowing
vertical stabilizer
horizontal stabilizer
aircraft/powerplant combination
control wheel
APUs — auxiliary power units
Antiservo tab
Kevlar™
tensile strength
Truss Structure
compressive strength
tricycle gear
well-braced framework
unibody
nacelle
composite construction
MFD — Multi-Function Display
caliper pads
rotor
longerons
struts
bulkheads
Advantages of Composites
VSI — vertical speed indicator
monocoque construction
semimonocoque construction
firewall
fireproof partition
Diamant HBV
Windecker Eagle
Kevlar™ cloth
VHF — Very High Frequency
VOR — VHF omni-directional radio range
NDB — Nondirectional Beacon
epoxy resin
puncture
thermosetting plastic
DOD — Department of Defense
Polyester resin
AIM — Aeronautical Information Manual
bending stiffness
OBS
sanding
Fluid Spills on Composites
delaminations
sealant
honeycomb core
electrical insulator
electrical conductivity
lightning strike protection
metal meshes
Fix
slip-skid indicator
glideslope indicators
Pilotage
VOR — omni-directional radio range
latitude
longitude
manifold pressure gauge
flight control systems
control surfaces
flight controls
pulleys
hydromechanical designs
Hydromechanical
cyclic
aileron
power disconnect linkage
stabilator
wing flap
leading edge devices
Spoiler
Dryden Flight Research Center
cyclic stick
control linkages
adverse yaw
bellcranks
overcontrolling
overstressing
differential ailerons
Frise-type aileron
rudder-aileron interconnect springs
aileron deflection
flaperons
undisturbed airflow
thrustline
T-tail
design stiffness
separated airflow
trim tab
aft fuselage-mounted engines
stick pushers
Canard
roundout
main spar
primary flight controls
V-tail
Ruddervators
CP
sideward lift
directional control
movable slats
ground roll
rate of descent
pitch attitude
maximum cruise airspeed
trim systems
retrimming
Balance tab
servo tab
ground adjustable tabs
adjustable stabilizer
Jackscrew
inertial navigation systems
GPS — global positioning systems
rear spar
gyroscopic attitude indicators
servo
AFM — Airplane Flight Manual
navigational aids
reciprocating engine
turboprop engines
propel
turbofan engines
horizontally opposed engine
crankshaft
Crankcase
horizontally-opposed engine
aerodynamic drag
oil sump
magnetos
pressurized air
fuel injector
kerosene
JET-A
full authority digital engine control
SMA — Société de Motorisations Aéronautiques
fixed-pitch propeller
maximum continuous operating rpm
Propeller Control
adjustable-pitch propeller
inches mercury ("Hg)
"Hg — inches of mercury
SAIB — Special Airworthiness Information Bulletin
engine cowling
induction system
SAIB CE-10-21
carburetor system
fuel injection system
float-type carburetor
pressure-type carburetor
discharge nozzle
vaporization
venturi
supercharged systems
idle cutoff
carburetor icing
°F — degrees Fahrenheit
°C — degrees Celsius
fuel vaporization icing
carburetor ice
mixture control
fuel vaporization
detonation
EGT — exhaust gas temperature
carburetor heat
carburetor temperature gauge
carburetor air temperature gauge
outside air temperature probe
evaporative icing
supercharger
Mean sea level
Turbosupercharger
sea-level supercharger
turbocharger
normally aspirated
multistage
single-stage supercharger
Diffuser
low blower
high blower
impeller
fuel metering device
high blower setting
blower
intercooler
two-speed supercharger
Heat exchanger
overboost
aftermarket turbocharging systems
waste gate actuator
maximum allowable manifold pressure
AMT — aviation maintenance technician
ignition system
fouled plugs
wet-sump oil system
dry-sump oil system
scavenge pumps
wet-sump system
dry-sump system
oil system
oil viscosity
engine cooling system
baffles
cowl flaps
muffler
muffler shroud
carbon monoxide
EGT probe
solenoid
flywheel
external power receptacle
starting solenoid
starting system
direct-cranking electric starter
battery solenoid
starter contactor
preignition
detent
centrifugal flow compressor
axial flow compressor
centrifugal-axial flow
ancillary components
turbine engine
microjets
centrifugal flow
axial flow
engine priming
turbojet
nozzle
turboprop
tropopause
Turbofan
Turboshaft
thermocouples
EPR — engine pressure ratio
pressure differential
interstage turbine temperature (ITT) gauge
Torquemeter
ITT — interstage turbine temperature
FOD — foreign object damage
vortex dissipater
compressor stall
concentric shaft
dual-spool axial-flow compressor
VIGV — variable inlet guide vane
Flameout
rich flameout
lean-condition flameout
Airstart
variable stator vanes
stator vanes
fuel primer
fuel tanks
fuel system
fuel-pump system
overpriming
unbalanced fuel load
fuel placards
fuel strainer
Sump
AVGAS — aviation gasoline
octane
antiknock value
AVGAS 80
AVGAS 100
AVGAS 100LL
JET A-1
100VLL
fuel contamination
fuel sump drains
JET B
JET A
100LL
SAIB NE-11-15
EGME — ethylene glycol mononethyl ether
fuel system icing
Entrained water
hexylene glycol
methanol derivatives
EGME — ethylene glycol monomethyl ether
chamois
exhaust heating system
grounding
nonconductive container
heating system
fuel fired heater
chamois skin
Combustion heater systems
alternator
overheat switch
bleed air heating system
fuses
anticollision lights
pitot heat
Selector valve
ammeter
Loadmeter
hydraulic system
Actuator
single-acting servo
double-acting servo
encoding altimeter
retractable landing gear
Sonic venturi
flow limiter
isobaric range
Outflow valve
psid
decompression
explosive decompression
cabin altimeter
pressurization controller
evolved gas decompression sickness
SAE AS8010
oxygen systems
Aviator's Breathing Oxygen Purity Standard
oronasal
cannula
Diluter-demand oxygen system
automix lever
Pressure-demand oxygen system
oronasal type
Continuous-flow oxygen system
rebreather bag
pulse oximeter
pneumatic pump
Ice bridging
ThermaWing
deice systems
inflatable deicing boots
deicing equipment
deicing boots
bridging
annunciator light
graphite foil laminate
Windscreen Anti-Ice
Propeller Anti-Ice
TKS weeping wing anti-ice/deicing system
gyroscopic instruments
pitot-static flight instruments
barometric pressure
baffle plate
pitot heater switch
venturi effect
inoperative
aneroid wafers
inches of mercury ("Hg)
mechanical linkage
Principle of Operation
pressure altimeter
multipointer type
aneroid barometer
crosshatch flag
barometric scale adjustment knob
altimeter setting window
multipointer
Kollsman window
nonstandard pressure
nonstandard temperature
aviation axiom
mountainous terrain
ICAO
mb — millibars
Setting the Altimeter
millibars (mb)
ATIS — Automatic Terminal Information Service
altimeter operation
Types of Altitude
AGL — above ground level
standard datum plane
certificated instrument repair station
feet per minute
Naturally aspirated engine
diaphragm
calibrated leak
restricted orifice
metered leak
IVSI — instantaneous vertical speed indicator
accelerometers
knots
indicated airspeed hold
pitot pressure
AFM/POH
CAS — Calibrated Airspeed
GS — groundspeed
airspeed limitations
VS0
landing configuration
VFE
airspeed calibration chart
VS1
VNO
VNE — never exceed speed
Airspeed Indicator Markings
VN0
design maneuvering speed (VA)
Blocked Pitot System
Blocked Static System
frozen altimeter
airspeed corrections
AOM/POH
air data computer
airspeed bug
analogue
airspeed tape
electronic flight display
pitch and bank limits
HSI — Horizontal situation indicator
magnetometer
turn indicator
tachometer
slip/skid indicator
Lubber line
AHRS — attitude and heading reference system
trend vector
pneumatic system
barometric correction device
pitot-static pneumatic system
magenta lines
gyroscope
gimbal rings
Rigidity in space
precession
deflective force
Gyroscopic Flight Instruments
Gyroscopic Principles
gyro
pneumatic deicing boots
inclinometer
gimbal
yawing force
Sources of Power
vane-type engine-driven pump
single gimbal
tumbling
canted
canted gyro
yaw string
horizon bar
roll gimbal
pitch gimbal
360° azimuth
magnetic slaving transmitter
The Flux Gate Compass System
slaved gyro
segmented ring
synchro
slaving meter
free gyro
Remote Indicating Compass
pictorial navigation indicator
permeable iron frame
excitation coil
ADF — Automatic Direction Finder
caging knob
northseeking capability
jewel-and-pivot
compass systems
bellows
declination
isogonic lines
Agonic line
Magnetic Compass Induced Errors
geographic axis
meridians of longitude
magnetized parts
Compass Rose
compensator assembly
dip errors
Magnetic Equator
compensating magnets
Northerly Turning Errors
Southerly Turning Errors
Acceleration Error
pendulous-type mounting
lagging error
forces of inertia
Oscillation Error
Eddy current damping
Lags or Leads
damping disk
bimetallic-type thermometer
outside air temperature (OAT) gauge
Helix

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Plain English Meaning

A way of measuring how hot or cold something is. Zero is freezing water, one hundred is boiling water, and most aviation temperature numbers you'll see use this scale.

Full Definition

A unit of temperature measurement on the Celsius scale, where water freezes at 0°C and boils at 100°C at standard sea-level pressure. It is the standard temperature unit used in aviation weather reports, performance charts, and most international pilot operations.

Context Anchor

Seen in weather reports, aircraft temperature readings, and carburetor icing charts in FAA training .

°C — degrees Celsius

Plain English Meaning

Full Definition

Context Anchor

Derivation

Why Pilots Care

Intuition Check

Example Sentence 1

Example Sentence 2