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| Glossary of Terminology | |
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AC, A/C = Air Conditioning ADs = Airworthiness Directives (Maintenance or Modification ordered by FAA) ADF = Automatic Direction Finder AFIS = Airborne Flight Information System AI = Attitude Indicator AP = Autopilot Annual = Mandatory inspection of airframe and power plant that occurs every 12 months A & P = Airframe and Powerplant AP/FD = Autopilot/Flight Director Aux Fuel = Auxiliary Fuel Tanks Boots = Inflatable device on leading edge of wing and tail used to remove ice CAMP = Computerized Aircraft Maintenance Program CHT = Cylinder Head Temperature COM = Communication Radio Conventional Gear = Two main wheels with one tail wheel C/R = Counter-rotating propellers Cycles = Turbine engine cycle begins with engine start up, continues through full-power and ends with shutdown DF = Direction Finder DG = Direction Gyro DME = Distance Measuring Equipment EFIS = Electronic Flight Instrument System EGT = Exhaust Gas Temperature Indicator ENC = Encoder FD = Flight Director De-ice = Complete de-ice equipment installed on wings, tail, prop, and windshield 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 overhaul) GNS = Global Navigation System Gold Crown = A set avionics package by King Radio Corp GPS = Global Positioning System GS = Glide Slope HF = High Frequency Radio Equipment Hot Prop = De-ice equipped propeller HP = Horsepower HSI = Horizontal Situation Indicator IFR = Instrument Flight Rules ILS = Instrument Landing System IRAN = Inspection Repair As Necessary K-Ice = FAA certified for flight into icing conditions Known Ice, Known Icing = FAA certified for flight into icing conditions LE = Left Engine LOC = Localizer Receiver and Indicator Loran = Long Range Navigation LR Fuel = Long Range Fuel LRT = Long Range Fuel Tanks Microline = A set avionics package by Collins Radio Corp Mid-Time = The middle third of recommended engine TBO MLS = Microwave Landing System MSP = Maintenance Service Program NAV = Navigation Radio Nav/Com = Navigation & Communication Radios NDH = No Damage History OXY = Oxygen system for passengers and crew PBH = Power by the hour maintenance program P&I = Paint and Interior PMA = Parts Manufacturer Approval P.O.R. = Price On Request Proline = A set avionics package by Collins Radio Corp RDF = Radio Direction Finder RDR / Radar = On-board weather radar RE = Right Engine RG = Retractable Landing Gear RMI = Radio Magnetic Indicator RNAV = Area Navigation Device SBs = Service Bulletin (Maintenance or modification ordered by the Manufacturer) SCMOH = Since Chrome Major Overhaul SCORE = Since Core Inspection (Turbine engine reference) SFRM = Since Factory Remanufactured (reference to engines) SFRMN = Since Factory Remanufactured (reference to engines) SHOT = Since Hot Section Inspection (Turbine engine reference) SHP = Shaft Horsepower (Turbine engine reference) SHSI = Since Hot Section Inspection (Turbine engine reference) Silver Crown = A set avionics package by King Radio Corp Slaved Compass = North-seeking gyro-stabilized compass system SMPI = Since Major Periodic Inspection (Turbine engine reference) SMOH = Since Major Overhaul (engine time reference) S/N = Serial Number SOH = Since Overhaul SPOH = Since Prop Overhaul (prop time reference) STC = Supplemental Type Certificate STOL = Short Takeoff and Landing Ability STOP = Since Top Overhaul (reference to engines) TBO = Time Between Overhaul TCAS = Traffic Alert & Collision System 3LMB = Three Light Marker Beacon Tri Gear = Tricycle style landing gear with nose wheel TRs = Thrust Reversers TT = Total Time (airframe reference) TTAE = Total Time Airframe and Engine(s) TTA&E = Total Time Airframe and Engine(s) TTAF = Total Time Airframe TTSN = Total Time Since New (airframe time reference) Turboprop = A turbine engine driven propeller aircraft TXP = Transponder UHF = Ultra High Frequency VFR = Visual Flight Rules VHF = Very High Frequency VLF = Very Low Frequency VOR = Visual Omni Range (navigation radio) Wet Wings = Method for containing fuel in the wings without using rubber fuel cells XPDR = Transponder |
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