Abbreviation And Term List

Come across some abbreviations or terms that you have no idea what they are, but everyone else seems to?  So did I.  So here's a list of the ones I've come across to help out.  Have any to add?  Need to correct me?  Use the form on the main page to let me know. 

A

• ADHRS (ADAHRS) - Air Data and Altitude Heading Reference System
• ADS-B - Automatic Dependent Surveillance Broadcast
• AOA - Angle Of Attack
• ARTCC - Air Route Traffic Control Center
• ATIS - Automatic Terminal Information Services
• AWOS - Automated Weather Observation System

B

• BFR - Biennial Flight Review (now known as FR or Flight review)
• BID - Bidirectional Fiberglass
• BL - Butt Line (Measurements side to side from the centerline of the fusulage)

C

• CAP -  Civil Air Patrol
• CAVU - Ceiling And Visibility Unlimited
• CTAF - Common Traffic Advisory Frequency

D

• DAR - Designated Airworthiness Representative

E

• ECU - Engine Control Unit
• EFIS - Electronic Flight Information System
• EGT - Exhaust Gas Temperature
• EMS - Engine Management System

F

• FADEC - Full Authority Digital Engine Control
• FAR - Federal Aviation Regulations
• FBO - Fixed Based Operations
• FHC - Front Hinge Canopy
• Flox - Epoxy mixed with flocked cotton
• FMS - Flight Management System
• FOD - Foreign Object Damage, Foreign Object Debris
• FR (BFR) - Flight Review (done every two years)
• FS - Fusulage Stations (Measurements down the length of the fusulage, run parallel to the bulkheads)
• FSS - Flight Service Station

G

• GPS - Global Positioning System

H

• Hobbs - Not an abbreviation as far as I know, but stands for the unit that tracks engine use time.

I

• IFR - Instrument Flight Rules
• ILS - Instrument Landing System
• IP - Instrument Panel

J

K

L

• LG - Landing Gear
• LOP - Lean Of Peak (running the fuel lean from peak EGT temp)

M

• METAR - Meteorological Aerodrome Report
• Micro - Epoxy mixed with micro balloons
• MVFR - Marginal Visual Flight Rules

N

• NORDO - No Radio

O

• OAT - Outside Air Temperature

P

• Peel Ply - Dacron fabric used to cover the surface of a layup before cure so that when removed it leaves a roughened surface ready for other layups.  Also helps to smooth out the layup surface.

• Plastic peel ply - plastic sheet that is used to cover the surface of a layup before cure so that extra epoxy can be removed and the surface smoothed out to remove the weave texture of the glass.

• POH - Pilot Owners Handbook
• PSRU - Propeller Speed Reduction Unit

R

• ROP - Rich Of Peak (Running the fuel rich from peak EGT)

S

• SAR - Search And Rescue
• SIGMET - Significant Meteorological Information 
• STOL - Short Take Off and Landing

T

• TCAS - Traffic Collision Avoidance System
• TFR - Temporary Flight Restriction
• TRSA - Terminal Radar Service Area
• TSO - Technical Standard Order

U

• UNI - Unidirectional Fiberglass

V

• VFR -Visual Flight Rules
• VTOL - Vertical Take Off and Landing

W

• WAAS - Wide Area Augmentation System
• WL - Water Line (Vertical measurements)

X

Y

Z