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ACU = Acronyms Commonly Used

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LuvMyTJ

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Here is a list of terms used in the RC hobby. I gathered these from too many post to credit people, but you know who you are.

Smash that 'like' button if this helped you! ;)

*Please message me to add any relevant ones I missed.



AGL = Above Ground Level

AMA = Academy of Model Aeronautics

AMSL = Above Mean Sea Level

ARTF or ARF = Almost ready to fly

ASL = Above Sea Level

ATTI = Attitude

AUW = All Up Weight

BNF = Bind n Fly (transmitter)

BTU= Blue Tooth Unit

BLOS = Beyond line of sight

BVLOS = Beyond visual line of sight

Cal= Calibration

CAA = Civil Aviation Authority (UK Regulator)

CAAS = Civil Aviation Authority of Singapore (Singapore Regulator)

CL = Course Lock

COA = Certificate of Waiver or Authorization

CSC combination stick command

ESC= electronic speed controller

EVLOS = extended visual line of sight

FAA = Federal Aviation Administration (US Regulator)

FPV = first person view

FS = Failsafe

GHz = Gigahertz

GPS = Global Positioning System

HL = Home Lock

IPS = Indoor Position Sensor

IR = Internal Resistance

IOC = Intelligent Orientation Control

IMU - Inertial Measurement Unit

LHCP = Left Hand Circular Polorized

LiPo = Lithium-Polymer (battery)

LOS = Line of sight

MC = Main controller

MHz = Megahertz

MSL = Mean Sea Level

Nicad = Nickle Cadmium (battery)

NOTAM = Notice to Airmen

OP = Original Poster (Author)

POI = Point of Interest

RHCP = Right Hand Circular Polorized

RTF = Ready to fly

RTH = Return To Home

RTM = Read The Manual

Rx = Receiver

SOC = State Of Charge

SUA = Small Unmanned Aircraft (What the CAA call what we fly)

SUSA = Small Unmanned Surveillance Aircaft (What the CAA call what we fly)

sUAS = Small unmanned aircraft system (what the FAA calls what we fly)

Tx = Transmitter

UAV = Unmanned aerial vehicle

VLOS = Visual line of sight

VRS = Vortex Ring State

VTx - Video Transmitter

VRx - Video Receiver

VPS = Visual Positioning System
 
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