AC - Aircraft
A/C - Air-Conditioning
AD's - Airworthiness Directives (Maintenance or Modification ordered by FAA)
ADF - Automatic Direction Finder
AFIS - Airborne Flight Information System
AFTT - Airframe Total Time
AH - Artificial Horizon
Annual - is Mandatory inspection of airframe and power plant ~ engine/s
A&P - Airframe & Powerplant
AI - Attitude Indicator
AP - Audio Panel
AP - Autopilot
AP/FD - Autopilot/Flight Director
ATC - Air Traffic Control
ATCC - Air Traffic Control Centre
ATCO - Air Traffic COntroller
Aux - Fuel Auxiliary Fuel Tanks

Boots - Inflatable device used to remove ice of wings and tail

CAMP - Computerized Aircraft Maintenance Program
CEP - Circular Error Probable
CDI - Course Deviation Indicator
CHT - Cylinder Head Temperature
Com - Communications
Comm - Commissioning Date
Conventional Gear -Two main wheels with one tail wheel
C/R - Counter Rotating propellers
Cycles - Turbine engine cycle [start up - continues w. full-power - ends with shutdown]
CT - Carburetor Temperature 

DF - Direction Finder
DFDR - Digital Flight Data Recorder 
DG - Directional Gyro
DME - Distance Measuring Equipment
De-ice - Complete de-ice equipment
DEU - Defective Unit 

EFIS - Electronic Flight Instrument System
EGT - Exhaust Gas Temperature
ELT - Emergency Locator Transmitter
ENC - Encoder

FAA - Federal Aviation Administration 
F/D - Flight Director
FGP - Full Gyro Panel
FOC - Full Operating Capability
Full De-Ice - Complete de-ice/anti-ice equipment installed on wings, tail, props, and windshield
Full Panel - All gyros necessary for instrument flight
FWF - Firewall Forward [referencing reg overhaul]

GNS - Global Navigation System
GPS - Global Positioning System
GPWS - Ground Proximity Warning System 
G/S - Glide Slope
GSP - Ground Service Plug

HC - Heavy Case
HF - High Frequency
Hot Prop - De-ice equipped propeller
HP - Heated Pilot
hp - Horsepower
HSI - Horizontal Situation Indicator
HSI - Hot Section Inspection

ICAO - International Civil Aviation Organization
IFR - Instrument Flight Rules Rating
ILS - Instrument Landing System
IOC - Initial Operating Capability
IRAN - Inspect Repair As Necessary
ITC - Investment Tax Credit

K-Ice - FAA certified for flight into icing conditions
Known Ice or Known Icing - FAA certified for flight into icing conditions

LE - Left Engine
LMB - Light Marker Beacon
LOC - Localizer Receiver and Indicator
LR - Long Range -Fuel-
LRT -Long Range Tanks

MB -Marker Beacon
MDH - Major Damage History
Mid-Time - The middle third of engines recommended TBO
MP - Manifold Pressure
MSP - Maintenance Service Plan

NDH - No Damage History
NM - Nautical Miles
Nav - Navigation Radio Receiver
Nav/Com - Navigation & Communication Radios
NDH - No Damage History

OAT - Outside Air Temperature
OH - Overhaul
OXY - Oxygen system for crew & passengers

PET - Piper Electric Trim
PC - Positive Control
PBH - Power by the hour,  a maintenance program
P&I - Paint and Interior
PMA - Parts Manufacturer Approval
P.O.R. - Price On Request

RB - Rotating Beacon
RC - Rate of Climb
RDF - Radio Direction Finder
RDR - Radar [On board weather radar system] 
RE - Right Engine
RG - Retractable (landing) Gear
RMI - Radio Magnetic Indicator
RNAV - Area Navigation

SB's - Service Bulletins
SCMOH - Since Chrome Major Overhaul - Remanufacture
SCORE - Since Core Inspection - turbine engin ref
SFRM - Since Factory Remanufactured - engine ref
SFRMN - Since Factory Remanufactured - engine ref
SHOT - Since Hot Section Inspection turbine engine ref
SHP - Shaft Horsepower turbine engine ref
SHSI - Since Hot Section Inspection turbine engine ref
SHS - Since Hot Section
SID - Standard Instrument Departure
Slaved Compass - North seeking gyro stabilized compass system
SMPI - Since Major Periodic Inspection turbine engine ref
SMOH - Since Major Overhaul - engine time ref
S/N - Serial Number
SOH - Since Overhaul
SPOH - Since Prop Overhaul
STAR - Standard Arrival Route
STC - Supplemental Type Certificate
STOH - Since Top Overhaul
STOL - Short Take-Off
STOP- Since Top Overhaul - engine ref

TBO - Time Between Overhaul
TLMB or 3LMB - Three Light Marker Beacon
Tri Gear Tricycle - Landing gear with nose wheel
TRs - Thrust Reversers
TT - Total Time
TTAE - Total Time Aircraft & Engine
TTSN - Total Time Since New
Turboprop - Turbine engine powered propeller aircraft

UHF - Ultra High Frequency

VFR - Visual Flight Rules
VHF - Very High Frequency
VLF - Very Low Frequency
VOR - Visual Omni Range - VHF navi radio

Wet - Wings - A method for containing fuel without using rubber fuel cells

XPDR/TXP - Transponder
________________________________________________________

► ► ► Units ~ Common Aviation Units of Measurement:

Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)
Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)
Knot (kt)   Miles per Hour (mph) Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec) Shaft Horse Power (shp)

► ► ► Simulator Abbreviations ~ Glossary:

Axis motions ~ the 6-DoF:
Heave  - Up/down movements
Surge - Longitudinal acceleration or deceleration
Sway - Sideways L/R movements
Pitch - Nose up/down movements
Roll - Wing up and the other wing down
Yaw - Nose L/R movements

6-DoF - All six degrees of freedom, refering to the 6-axis in flight
ADI - Attitude Director Indicator
CMT - Cabin Management Training, like CAS, CPT, SEP, PTT ..
CPDS - Central Panel Display System, used in All-Digital & All-Weather panels
CPT - Cockpit Procedures Trainers
CRT - Cathode Ray Tube
EFIS - Electronic Flight Instrument System
EICAS -  Engine Indicating and Crew Alerting System
FFS - Full Flight Simulator
FLI - First Limitation Indication, incorporated in VEMD
FTD  - Flight Training Devices
GISt - Graphical Instructors Station
HSD - Horizontal Situation Indicator
IFR - Instrument Flight Rules Rating
LAMARS - Large Amplitude Multi mode Aerospace Research Simulator
LCD - Liquid Crystal Display
LTD - Light Training Device is a simulation tool
MFD - Multi Function Display
PFD -  Primary Flight Display/s
PTT - {Simple} Part Task Trainers
TRs - Thrust Reversers
SEP - Safety and Emergency Procedures
VEMD - Vehicle Engine Multifunction Display, with First Limitation Indication FLI
VFR  -Visual Flight Rules
________________________________________________________
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