MAA CADD Standards Manual
Version 3.0
Appendix C
APPENDIX C
GLOSSARY
A2......Glossary of Acronyms for Use in Airport Documents
C1
Maryland Aviation Administration
All Rights Reserved 2009
MAA CADD Standards Manual
Version 3.0
Appendix C
Appendix C
Glossary of Acronyms for Use in Airport Documents
A/C –Aircraft
A/H -Altitude/Height
AAF -Army Air Field
AAP -Advanced Automation Program
ABDIS -Automated Data Interchange System Service B
ACAS -Aircraft Collision Avoidance System
ACCT -Accounting Records
ACDO -Air Carrier District Office
ACFO -Aircraft Certification Field Office
ACID -Aircraft Identification
ACLT -Actual Landing Time Calculated
ADA -Air Defense Area
ADAS -AWOS Data Acquisition System
ADDA -Administrative Data
ADI -Automatic De-Ice and Inhibitor
ADIZ -Air Defense Identification Zone
ADLY -Arrival Delay
ADP -Automated Data Processing
ADSIM -Airfield Delay Simulation Model
ADTN -Administrative Data Transmission Network
ADVO -Administrative Voice
AEIS – Airport Engineering Information System
AERA -Automated En-Route Air Traffic Control
AF -Airway Facilities
AFIS -Automated Flight Inspection System
AFRES -Air Force Reserve Station
AFSFO -AFS Field Office
AFSOU -AFS Field Office Unit (Standard is AFSFOU)
AFTN -Automated Fixed Telecommunications Network
AID -Airport Information Desk
AIM -Airman's Information Manual
AIRMET -Airmen's Meteorological Information
AIS -Aeronautical Information Service
ALP -Airport Layout Plan
ALSF1 -ALS with Sequenced Flashers I
ALSIP -Approach Lighting System Improvement Plan
AMASS -Airport Movement Area Safety System
AMOS -Automated Meteorological Observation Station
AMVER -Automated Mutual Assistance Vessel Rescue
System
ANG -Air National Guard
ANMS -Automated Network Monitoring System
AP -Acquisition Plan
APS -Airport Planning Standard
ARAC -Army Radar Approach Control (AAF)
ARCTR -FAA Aeronautical Center or Academy
ARLNO -Airline Office ARO -Airport Reservation Office
ARO -Airport Reservation Office
ARSA -Airport Service Radar Area
ARTCC -Air Route Traffic Control Centre
ASAS -Aviation Safety Analysis System
ASCP -Aviation System Capacity Plan
ASDA -Accelerate - Stop Distance Available
ASM -Available Seat Mile
ASOS -Automatic Surface Observation System
ASR -Airport Surveillance Radar
C2
-AARINC -Aeronautical Radio, Inc.
A/G -Air to Ground
AAC -Mike Monroney Aeronautical Center
AAI -Arrival Aircraft Interval
AAR -Airport Acceptance Rate
ACAIS -Air Carrier Activity Information System
ACC -Area Control Center
ACD -Automatic Call Distributor
ACF -Area Control Facility
ACFT -Aircraft
ACLS -Automatic Carrier Landing System
ACO -Aircraft Certification Office
ADAP -Airport Development Aid Program
ADCCP -Advanced Data Communications Control Procedure
ADF -Automatic Direction Finding
ADIN -AUTODIN Service
ADL -Aeronautical Data-Link
ADO -Airline Dispatch Office
ADS -Automatic Dependent Surveillance
ADSY -Administrative Equipment Systems
ADTN2000 -Administrative Data Transmission Network 2000
AEG -Aircraft Evaluation Group
AEX -Automated Execution
AFB -Air Force Base
AFP -Area Flight Plan
AFS -Airways Facilities Sector
AFSFU -AFS Field Unit
AFSS -Automated Flight Service Station
AGL -Above Ground Level
AIG -Airbus Industries Group
AIP -Airport Improvement Plan
AIRNET -Airport Network Simulation Model
AIT -Automated Information Transfer
ALS -Approach Lighting System
ALSF2 -ALS with Sequenced Flashers II
ALTRV -Altitude Reservation
AMCC -ACF/ARTCC Maintenance Control Center
AMP -ARINC Message Processor (OR) Airport Master Plan
ANC -Alternate Network Connectivity
ANGB -Air National Guard Base
ANSI -American National Standards Group
APP -Approach
AQAFO -Aeronautical Quality Assurance Field Office
ARAC -Aviation Rulemaking Advisory Committee
ARF -Airport Reservation Function
AWS -Air Weather Station
ARP -Airport Reference Point
ARSR -Air Route Surveillance Radar
ARTS -Automated Radar Terminal System
ASC -AUTODIN Switching Center
ASD -Aircraft Situation Display
ASLAR -Aircraft Surge Launch And Recovery
ASP -Arrival Sequencing Program
ASQP -Airline Service Quality Performance
ASTA -Airport Surface Traffic Automation
Maryland Aviation Administration
All Rights Reserved 2009
MAA CADD Standards Manual
Version 3.0
Appendix C
ASV -Airline Schedule Vendor
ATA -Air Transport Association of America
ATCAA -Air Traffic Control Assigned Airspace
AT&T ASDC -AT&T Agency Service Delivery Center
ATC -Air Traffic Control
ATCCC -Air Traffic Control Command Center
ATCRB -Air Traffic Control Radar Beacon
ATCSCC -Air Traffic Control Systems Command Center
ATIS -Automated Terminal Information Service
ATM -Air Traffic Management
ATMS -Advanced Traffic Management System
ATODN -AUTODIN Terminal (FUS)
ATOMS -Air Traffic Operations Management System
ATSCCP -ATS Contingency Command Post
AUTODIN -DoD Automatic Digital Network
AVON -AUTOVON Service
AWIS -Airport Weather Information
AWP -Aviation Weather Processor
BANS-BRITE Alphanumeric System
BASIC -Basic Contract Observing Station
BCA -Benefit/Cost Analysis
BDAT -Digitized Beacon Data
BOC -Bell Operating Company
BRI -Basic Rate Interface
BRL -Building Restriction Line
BUECE -Back-up Emergency Communications Equipment
CAA -Civil Aviation Authority
CARF -Central Altitude Reservation Facility
CAT –Category
CAU -Crypto Ancillary Unit
CCC -Communications Command Center
CCCH -Central Computer Complex Host
CCSD -Command Communications Service Designator
CCU -Central Control Unit
CDR -Cost Detail Report
CDTI -Cockpit Display of Traffic Information
CEQ -Council on Environmental Quality
CFC -Central Flow Control
CFCS -Central Flow Control Service
CFWU -Central Flow Weather Unit
CLC -Course Line Computer
CLT -Calculated Landing Time
CNMPS -Canadian Minimum Navigation Performance
Specification Airspace
CNSP -Consolidated NOTAM System Processor
COE -U.S. Army Corps of Engineers
CONUS -Continental United States
CPE -Customer Premise Equipment
AT -Air Traffic
ATAS -Airspace and Traffic Advisory Service
AT&T -American Telephone and Telegraph
AT&T CSA -AT&T Customer Support Associate
ATCBI -Air Traffic Control Beacon Indicator
ATCO -Air Taxi Commercial Operator
ATCRBS -Air Traffic Control Radar Beacon System
ATCT -Airport Traffic Control Tower
ATISR -ATIS Recorder
ATM -Asynchronous Transfer Mode
ATN -Aeronautical Telecommunications Network
ATOVN -AUOTVON (Facility)
ATS -Air Traffic Service
ATTIS -AT&T Information Systems
AUTOVON -DoD Automatic Voice Network
AVN -Aviation Standards National Field Office, Oklahoma
City
AWOS -Automated Weather Observation System
AWPG -Aviation Weather Products Generator
-BBART -Billing Analysis Reporting Tool (GSA software tool)
BASOP -Military Base Operations
BCR -Benefit/Cost Ratio
BMP -Best Management Practices
bps -bits per second
BRITE -Bright Radar Indicator Terminal Equipment
BUEC -Back-up Emergency Communications
-CCAB -Civil Aeronautics Board
CASFO -Civil Aviation Security Office
CAT -Clear - Air Turbulence
CBI -Computer Based Instruction
CCCC -Staff Communications
CC&O -Customer Cost and Obligation
CCS7-NI -Communication Channel Signal-7 - Network
Interconnect
CD -Common Digitizer
CDT -Controlled Departure Time
CENTX -Central Telephone Exchange
CERAP -Central Radar Approach
CFCF -Central Flow Control Facility
CFWP -Central Flow Weather Processor
CGAS -Coast Guard Air Station
CLIN -Contract Line Item
CM -Commercial Service Airport
CNS -Consolidated NOTAM System
CO -Central Office
COMCO -Command Communications Outlet
CORP -Private Corporation other than ARINC or MITRE
CPMIS -Consolidated Personnel Management Information
System
CRDA -Converging Runway Display Aid
CSA -Communications Service Authorization
CSO -Customer Service Office
CSS -Central Site System
CTA -Control Area
CTAF -Common Traffic Advisory Frequency
CTMA -Center Traffic Management Advisor
CVFR -Controlled Visual Flight Rules
CW -Continuous Wave
CRA -Conflict Resolution Advisory
CRT -Cathode Ray Tube
CSIS -Centralized Storm Information System
CSR -Communications Service Request
CTA -Controlled Time of Arrival
CTA/FIR -Control Area/Flight Information Region
CTAS -Center - Tracon Automation System
CUPS -Consolidated Uniform Payroll System
CVTS -Compressed Video Transmission Service
C3
Maryland Aviation Administration
All Rights Reserved 2009
MAA CADD Standards Manual
Version 3.0
Appendix C
CWSU -Central Weather Service Unit
CWY -Clearway
DA-Direct Access
DA -Descent Advisor
DAIR -Direct Altitude and Identity Readout
DARC -Direct Access Radar Channel
DBCRC -Defense Base Closure and Realignment
Commission
DBRITE -Digital Bright Radar Indicator Tower Equipment
DCAA -Dual Call, Automatic Answer Device
DCE -Data Communications Equipment
DDD -Direct Distance Dialing
DDS -Digital Data Service
DEDS -Data Entry and Display System
DEP –Departure
DF -Direction Finder
DFI -Direction Finding Indicator
DH -Decision Height
DIP -Drop and Insert Point
DITCO -Defense Information Technology Contracting Office
Agency
DME/P -Precision Distance Measuring Equipment
DNL -Day-Night Equivalent Sound Level (Also called Ldn)
DoD -Department of Defense
DOS -Department of State
DOTS -Dynamic Ocean Tracking System
DSCS -Digital Satellite Compression Service
DTS -Dedicated Transmission Service
DVFR -Defense Visual Flight Rules
DVOR -Doppler Very High Frequency Omni-Directional
Range
E-MSAW -En-Route Automated Minimum Safe Altitude
Warning
ECOM -En Route Communications
EDCT -Expedite Departure Path
EFC -Expect Further Clearance
EIAF -Expanded Inward Access Features
ELT -Emergency Locator Transmitter
EMPS -En Route Maintenance Processor System
EPA -Environmental Protection Agency
EOF -Emergency Operating Facility
ERAD -En Route Broadband Radar
ESP -En Route Spacing Program
ESF -Extended Superframe Format
ETE -Estimated Time En Route
ETMS -Enhanced Traffic Management System
EVAS -Enhanced Vortex Advisory System
FAA-Federal Aviation Administration
FAAAC -FAA Aeronautical Center
FAATC -FAA Technical Center
FAF -Final Approach Fix
FAPM -FTS2000 Associate Program Manager
FAATSAT -FAA Telecommunications Satellite
FAX -Facsimile Equipment
FBS -Fall Back Switch
FCLT -Freeze Calculated Landing Time
FCPU -Facility Central Processing Unit
FDE -Flight Data Entry
C4
-DDA -Decision Altitude/Decision Height
DABBS -DITCO Automated Bulletin Board System
DAR -Designated Agency Representative
dBA -Decibels A-weighted
DBMS -Data Base Management System
DCA -Defense Communications Agency
DCCU -Data Communications Control Unit
DDA -Dedicated Digital Access
DDM -Difference in Depth of Modulation
DEA -Drug Enforcement Agency
DEIS -Draft Environmental Impact Statement
DEWIZ -Distance Early Warning Identification Zone
DFAX -Digital Facsimile
DGPS -Differential Global Positioning Satellite (System)
DID -Direct Inward Dial
DIRF -Direction Finding
DME -Distance Measuring Equipment
DMN -Data Multiplexing Network
DOD -Direct Outward Dial
DOI -Department of Interior
DOT -Department of Transportation
DOTCC -Department of Transportation Computer Center
DSUA -Dynamic Special Use Airspace
DUAT -Direct User Access Terminal
DVFR -Day Visual Flight Rules
DYSIM -Dynamic Simulator
-EEARTS -En Route Automated Radar Tracking System
ECVFP -Expanded Charted Visual Flight Procedures
EFAS -En Route Flight Advisory Service
EFIS -Electronic Flight Information Systems
EIS - Environmental Impact Statement
ELWRT -Electrowriter
ENAV -En Route Navigational Aids
EPS -Engineered Performance Standards
EPSS -Enhanced Packet Switched Service
ESEC -En Route Broadband Secondary Radar
ESYS -En Route Equipment Systems
ETA -Estimated Time of Arrival
ETG -Enhanced Target Generator
ETN -Electronic Telecommunications Network
EVCS -Emergency Voice Communications System
-FF&E -Facility and Equipment
FAACIS -FAA Communications Information System
FAC -Facility
FAP -Final Approach Point
FAR -Federal Aviation Regulation
FAST -Final Approach Spacing Tool
FBO -Fixed Base Operator
FCC -Federal Communications Commission
FCOM -FSS Radio Voice Communications
FDAT -Flight Data Entry and Printout (FDEP) and Flight Data
Service
FDEP -Flight Data Entry and Printout
Maryland Aviation Administration
All Rights Reserved 2009
MAA CADD Standards Manual
Version 3.0
Appendix C
FDIO -Flight Data Input/Output
FDIOR -Flight Data Input/Output Remote
FDP -Flight Data Processing
FEIS -Final Environmental Impact Statement
FFAC -From Facility
FIG -Flight Inspection Group
FIPS -Federal Information Publication Standard
FIRE -Fire Station
FDIOC -Flight Data Input/Output Center
FDM -Frequency Division Multiplexing
FED -Federal
FEP -Front End Processor
FIFO -Flight Inspection Field Office
FINO -Flight Inspection National Field Office
FIR -Flight Information Region
FIRMR -Federal Information Resource Management
Regulation
FLOWSIM -Traffic Flow Planning Simulation
FMF -Facility Master File
FMS -Flight management System
FOIA -Freedom Of Information Act
FRC -Request Full Route Clearance
FSDO -Flight Standards District Office
FSEP -Facility/Service/Equipment Profile
FSPD -Freeze Speed Parameter
FSSA -Flight Service Station Automated Service
FSYS -Flight Service Station Equipment Systems
FTS2000 -Federal Telecommunications System 2000
FWCS -Flight Watch Control Station
-GGAA -General Aviation Activity
GADO -General Aviation District Office
GNAS -General National Airspace System
GOES -Geostationary Operational Environmental Satellite
GOEST -GOES Terminal Equipment
GPWS -Ground Proximity Warning System
GS -Glide Slope Indicator
FL -Flight Level
FMA -Final Monitor Aid
FMIS -FTS2000 Management Information System
FNMS -FTS2000 Network Management System
FP -Flight Plan
FSAS -Flight Service Automation System
FSDPS -Flight Service Data Processing System
FSP -Flight Strip Printer
FSS -Flight Service Station
FSTS -Federal Secure Telephone Service
FTS -Federal Telecommunications System
FUS -Functional Units or Systems
GA-General Aviation
GAAA -General Aviation Activity and Avionics
GCA -Ground Control Approach
GNSS -Global Navigation Satellite System
GOESF -GOES Feed Point
GPS -Global Positioning Satellite
GRADE -Graphical Airspace Design Environment
GSA -General Services Administration
-HHAA -Height Above Airport
HARS -High Altitude Route System
HAZMAT -Hazardous Materials
HLDC -High Level Data Link Control
HDQ -FAA Headquarters
HF -High Frequency
HI-EFAS -High Altitude EFAS
HSI -Horizontal Situation Indicators
HWAS -Hazardous In-Flight Weather Advisory
H-Non-Directional Radio Homing Beacon (NDB)
HAL -Height Above Landing
HAT -Height Above Touchdown
HCAP -High Capacity Carriers
HDME -NDB with Distance Measuring Equipment
HELI –Heliport
HH -NDB, 2kw or More
HOV -High Occupancy Vehicle
HUD -Housing and Urban Development
Hz –HERTZ
-IIA-Indirect Access
I/AFSS -International AFSS
IAPA -Instrument Approach Procedures Automation
IBP -International Boundary Point
ICAO -International Civil Aviation Organization
IDAT -Interfacility Data
IFCP -Interfacility Communications Processor
IFEA -In-Flight Emergency Assistance
IFR -Instrument Flight Rules
ILS -Instrument Landing System
IMC -Instrument Meteorological Conditions
INS -Inertial Navigation System
ISDN -Integrated Services Digital Network
ITI -Interactive Terminal Interface
IW -Inside Wiring
IAF -Initial Approach Fix
IAP -Instrument Approach Procedures
IBM -International Business Machines
IBR -Intermediate Bit Rate
ICSS -International Communications Switching Systems
IF -Intermediate Fix
IFDS -Interfacility Data System
IFO -International Field Office
IFSS -International Flight Service Station
IM -Inner Marker
INM -Integrated Noise Model
IRMP -Information Resources Management Plan
ISMLS -Interim Standard Microwave Landing System
IVRS -Interim Voice Response System
-J-KKHz -Kilohertz
Kbps-Kilobits Per Second
KVDT -Keyboard Video Display Terminal
-L-
C5
Maryland Aviation Administration
All Rights Reserved 2009
MAA CADD Standards Manual
Version 3.0
Appendix C
LAA-Local Airport Advisory
LABS -Leased A B Service
LABSR -LABS Remote Equipment
LAHSO -Land and Hold Short Operation
LATA -Local Access and Transport Area
LCF -Local Control Facility
LDA -Localizer Directional Aid
LDIN -Lead-in Lights
LF -Low Frequency
LIS -Logistics and Inventory System
LM/MS -Low/Medium Frequency
LMS -LORAN Monitor Site
LOCID -Location Identifier
LOM -Compass Locator at Outer Marker
LRCO -Limited Remote Communications Outlet
LRR -Long Range Radar
LAAS -Low Altitude Alert System
LABSC -LABS GS-200 Computer
LABSW -LABS Switch System
LAN -Local Area Network
LAWRS -Limited Aviation Weather Reporting System
LCN -Local Communications Network
LDA -Landing Directional Aid
LEC -Local Exchange Carrier
LINCS -Leased Interfacility NAS Communications System
LLWAS -Low Level Wind Shear Alert System
LMM -Locator Middle Marker
LOC -Localizer
LOI -Letter of Intent
LORAN -Long Range Aid to Navigation
LRNAV -Long Range Navigation
-MMALS -Medium Intensity Approach Lighting System
MALSR -MALS with Runway Alignment Indicator Lights
MAP -Military Airport Program
MAP -Maintenance Automation Program
MCA -Minimum Crossing Altitude
MCC -Maintenance Control Center
MCS -Maintenance and Control System
MDT -Maintenance Data Terminal
METI -Meteorological Information
MFJ -Modified Final Judgement
MHA -Minimum Holding Altitude
MIA -Minimum IFR Altitudes
MIS -Meteorological Impact Statement
MISO -Manufacturing Inspection Satellite Office
MITRE -Mitre Corporation
MM -Middle Marker
MMS -Maintenance Monitoring System
MNPSA -Minimum Navigation Performance Specifications
Airspace
MOA -Memorandum of Agreement
MOA -Military Operations Area
MOCA -Minimum Obstruction Clearance Altitude
MODE C -Altitude-Encoded Beacon Reply
MODE C -Altitude Reporting Mode of Secondary Radar
MODE S -Mode Select Beacon System
MOU -Memorandum of Understanding
MPO -Metropolitan Planning Organization
MPS -Maintenance Processor Subsystem (OR) Master Plan
MRA -Minimum Reception Altitude
Supplement
MRC -Monthly Recurring Charge
MSA -Minimum Safe Altitude
MSAW -Minimum Safe Altitude Warning
MSL -Mean Sea Level
MSN -Message Switching Network
MTCS -Modular Terminal Communications System
MTI -Moving Target Indicator
MUX -Multiplexer
MVA -Minimum Vectoring Altitude
MVFR -Marginal Visual Flight Rules
-NNAAQS-National Ambient Air Quality Standards
NADA -NADIN Concentrator
NADIN -National Airspace Data Interchange Network
NADSW -NADIN Switches
NAILS -National Airspace Integrated Logistics Support
NAMS -NADIN IA
NAPRS -National Airspace Performance Reporting System
NAS -National Airspace System or Naval Air Station
NASDC -National Aviation Safety Data
NASP -National Airspace System Plan
NASPAC -National Airspace System Performance Analysis
NATCO -National Communications Switching Center
Capability
NAVAID -Navigation Aid
NAVMN -Navigation Monitor and Control
NAWAU -National Aviation Weather Advisory Unit
NAWPF -National Aviation Weather Processing Facility
NCAR -National Center for Atmospheric Research; Boulder,
NCF -National Control Facility
CO
NCIU -NEXRAD Communications Interface Unit
NCS -National Communications System
NDB -Non-Directional Radio Homing Beacon
NDNB -NADIN II
NEPA -National Environmental Policy Act
NEXRAD -Next Generation Weather Radar
FAA-Maximum Authorized Altitude
MALSF -MALS with Sequenced Flashers
MAP -Modified Access Pricing
MAP -Missed Approach Point
Mbps -Megabits Per Second
MCAS -Marine Corps Air Station
MCL -Middle Compass Locator
MDA -Minimum Descent Altitude
MEA -Minimum En Route Altitude
MF -Middle Frequency
MFT -Meter Fix Crossing Time/Slot Time
MHz –Megahertz
MIDO -Manufacturing Inspection District Office
MISC –Miscellaneous
MIT -Miles In Trail
MLS -Microwave Landing System
MMC -Maintenance Monitoring Console
MNPS -Minimum Navigation Performance Specification
C6
Maryland Aviation Administration
All Rights Reserved 2009
MAA CADD Standards Manual
Version 3.0
Appendix C
NFAX -National Facsimile Service
NFIS -NAS Facilities Information System
NICS -National Interfacility Communications System
NM -Nautical Mile
NMC -National Meteorological Center
NMCS -Network Monitoring and Control System
NOC -Notice Of Completion
NPDES -National Pollutant Discharge Elimination System
NRC -Non-Recurring Charge
NSAP -National Service Assurance Plan
NSSL -National Severe Storms Laboratory; Norman, OK
NTP -National Transportation Policy
NTZ -No Transgression Zone
NWSR -NWS Weather Excluding NXRD
NXRD -Advanced Weather Radar System
OAG-Official Airline Guide
OAW -Off-airway Weather Station
ODAPS -Oceanic Display and Processing Station
OFDPS -Offshore Flight Data Processing System
OFZ -Obstacle Free Zone
OMB -Office of Management and Budget
OPLT -Operational Acceptable Level of Traffic
OPX -Off Premises Exchange
OTR -Oceanic Transition Route
PABX-Private Automated Branch Exchange
PAM -Peripheral Adapter Module
PAR -Precision Approach Radar
PATWAS -Pilots Automatic Telephone Weather Answering
Service
PBRF -Pilot Briefing
PCA -Positive Control Airspace
PDAR -Preferential Arrival And Departure Route
PDC -Program Designator Code
PDN -Public Data Network
PHONE –Telephone
PIDP -Programmable Indicator Data Processor
PMS -Program Management System
POP -Point Of Presence
PPIMS -Personal Property Information Management System
PRI -Primary Rate Interface
PSDN -Public Switched Data Network
PSS -Packet Switched Service
PUB –Publication
PVC -Permanent Virtual Circuit
RAIL-Runway Alignment Indicator Lights
RAPCON -Radar Approach Control
RATCF -Radar Air Traffic Control Facility (USN)
RBDPE -Radar Beacon Data Processing Equipment
RCAG -Remote Communications Air/Ground
RCF -Remote Communication Facility
RCIU -Remote Control Interface Unit
RCLR -RCL Repeater
RCO -Remote Communications Outlet
RDAT -Digitized Radar Data
RDSIM -Runway Delay Simulation Model
RF -Radio Frequency
RMCC -Remote Monitor Control Center
RML -Radio Microwave Link
C7
NFDC -National Flight Data Center
NI -Network Interface
NPIAS -National Plan of Integrated Airport Systems
NMAC -Near Mid Air Collision
NMCE -Network Monitoring and Control Equipment
NOAA -National Oceanic and Atmospheric Administration
NOTAM -Notice to Airmen
NPIAS -National Plan of Integrated Airport Systems
NRCS -National Radio Communications Systems
NSSFC -National Severe Storms Forecast Center
NTAP -Notices To Airmen Publication
NTSB -National Transportation Safety Board
NWS -National Weather Service
NSWRH -NWS Regional Headquarters
-OOALT -Operational Acceptable Level of Traffic
ODAL -Omni directional Approach Lighting System
OFA -Object Free Area
OFT -Outer Fix Time
OM -Outer Marker
ONER -Oceanic Navigational Error Report
OPSW -Operational Switch
ORD -Operational Readiness Demonstration
OTS -Organized Track System
-PPAD -Packet Assembler/Disassembler
PAPI -Precision Approach Path Indicator
PAR -Preferential Arrival Route
PBCT -Proposed Boundary Crossing Time
PBX -Private Branch Exchange
PCM -Pulse Code Modulation
PDC -Pre-Departure Clearance
PDR -Preferential Departure Route
PFC -Passenger Facility Charge
PIC -Principal Interexchange Carrier
PIREP -Pilot Weather Report
POLIC -Police Station
POT -Point Of Termination
PR -Primary Commercial Service Airport
PRM -Precision Runway Monitor
PSN -Packet Switched Network
PSTN -Public Switched Telephone Network
PUP -Principal User Processor
PVD -Plan View Display
-Q-RRAPCO -Radar Approach Control (USAF)
RATCC -Radar Air Traffic Control Center
RBC -Rotating Beam Ceilometer
RBSS -Radar Bomb Scoring Squadron
RCC -Rescue Coordination Center
RCCC -Regional Communications Control Centers
RCL -Radio Communications Link
RCLT -RCL Terminal
RCU -Remote Control Unit
RDP -Radar Data Processing
REIL -Runway End Identification Lights
RL -General Aviation Reliever Airport
RMCF -Remote Monitor Control Facility
RMLR -RML Repeater
Maryland Aviation Administration
All Rights Reserved 2009
MAA CADD Standards Manual
Version 3.0
Appendix C
RMLT -RML Terminal
RMMS -Remote Maintenance Monitoring System
RMSC -Remote Monitoring Subsystem Concentrator
RNP -Required Navigation Performance
ROSA -Report of Service Activity
RP -Restoration Priority
RPG -Radar Processing Group
RRH -Remote Reading Hygrothermometer
RRWDS -Remote Radar Weather Display
RSS -Remote Speaking System
RT & BTL -Radar Tracking And Beacon Tracking Level
RTCA -Radio Technical Commission for Aeronautics
RTRD -Remote Tower Radar Display
RW –Runway
RWP -Realtime Weather Processor
S/S - Sector Suite
SAFI -Semi Automatic Flight Inspection
SATCOM -Satellite Communications
SCC -System Command Center
SDF -Simplified Direction Finding
SDIS -Switched Digital Integrated Service
SDS -Switched Data Service
SELF -Simplified Short Approach Lighting System With
Sequenced Flashing Lights
SHPO -State Historic Preservation Officer
SID -Station Identifier
SIGMET -Significant Meteorological Information
SIP -State Implementation Plan
SMGC -Surface Movement Guidance and Control
SMS -Simulation Modeling System
SOC -Service Oversight Center
SOIWR -Simultaneous Operations on Intersecting Wet
Runways
SSALF -SSALS with Sequenced Flashers
SSB -Single Side Band
STD –Standard
STOL -Short Takeoff and Landing
SVCA -Service A
SVCC -Service C
SVFO -Interphone Service F (A)
SVFC -Interphone Service F (C)
SVFR -Special Visual Flight Rules
RMM -Remote Maintenance Monitoring
RMS -Remote Monitoring Subsystem
RNAV -Area Navigation
ROD -Record of Decision
ROT -Runway Occupancy Time
RPC -Restoration Priority Code
RPZ -Runway Protection Zone
RRHS -Remote Reading Hydrometer
RRWSS -RWDS Sensor Site
RT -Remote Transmitter
RTAD -Remote Tower Alphanumeric Display
RTR -Remote Transmitter/Receiver
RVR -Runway Visual Range
RWDS -Same as RRWDS
-SSAC -Strategic Air Command
SALS -Short Approach Lighting System
SAWRS -Supplementary Aviation Weather Reporting System
SCVTS -Switched Compressed Video Telecommunications
Service
SDF -Software Defined Network
SDP -Service Delivery Point
SEL -Single Event Level
SFAR-38 -Special Federal Aviation Regulation 38
SIC -Service Initiation Charge
SID -Standard Instrument Departure
SIMMOD -Airport and Airspace Simulation Model
SM -Statute Miles
SMPS -Sector Maintenance Processor Subsystem
SNR -Signal-to-Noise Ratio, also: S/N
SOIR -Simultaneous Operations On Intersecting Runways
SRAP -Sensor Receiver and Processor
SSALR -Simplified Short Approach Lighting System
STAR -Standard Terminal Arrival Route
STMUX -Statistical Data Multiplexer
SURPIC -Surface Picture
SVCB -Service B
SVCO -Service O
SVFB -Interphone Service F (B)
SVFD -Interphone Service F (D)
-TTAAS -Terminal Advance Automation System
TACR -TACAN at VOR, TACAN only
TARS -Terminal Automated Radar Service
TATCA -Terminal Air Traffic Control Automation
TCA -Traffic Control Airport or Tower Control Airport
TCACCIS -Transportation Coordinator Automated Command
and Control Information System
TCAS -Traffic Alert And Collision Avoidance System
TCC -DOT Transportation Computer Center
TCCC -Tower Control Computer Complex
TCE -Tone Control Equipment
TCLT -Tentative Calculated Landing Time
TCO -Telecommunications Certification Officer
TCOM -Terminal Communications
TCS -Tower Communications System
TDLS -Tower Data-Link Services
TDMUX -Time Division Data Multiplexer
TDWR -Terminal Doppler Weather Radar
TELCO -Telephone Company
TELMS -Telecommunications Management System
TERPS -Terminal Instrument Procedures
TFAC -To Facility
TH -Threshold
TIMS -Telecommunications Information Management System TIPS -Terminal Information Processing System
TL –Taxilane
TMA -Traffic Management Advisor
T1MUX-T1 Multiplexer
TACAN -Tactical Aircraft Control and Navigation
TAF -Terminal Area Forecast
TAS -True Air Speed
TAVT -Terminal Airspace Visualization Tool
TCA -Terminal Control Area
C8
Maryland Aviation Administration
All Rights Reserved 2009
MAA CADD Standards Manual
Version 3.0
Appendix C
TMC -Traffic Management Coordinator
TMCC -Terminal Information Processing System
TMF -Traffic Management Facility
TMLI -Television Microwave Link Indicator
TMLT -Television Microwave Link Terminal
TMP -Traffic Management Processor
TMSPS -Traffic Management Specialists
TODA -Takeoff Distance Available
TOFMS -Time of Flight Mass Spectrometer
TORA -Take-off Run Available
TR -Telecommunications Request
TRACON -Terminal Radar Approach Control Facility
TRNG –Training
TSEC -Terminal Secondary Radar Service
TSR -Telecommunications Service Request
TTMA -TRACON Traffic Management Advisor
TVOR -Terminal VHF Omnidirectional Range
TWEB -Transcribed WeatherBroadcastTWR-Tower (noncontrolled)
UAS -Uniform Accounting System
URA -Uniform Relocation Assistance and Real Property
Acquisition Policies Act of 1970
USOC -Uniform Service Order Code
VASI-Visual Approach Slope Indicator
VF -Voice Frequency
VHF -Very High Frequency
VMC -Visual Meteorological Conditions
VNTSC -Volpe National Transportation System Center
VOR -VHF Omnidirectional Range
VORTAC -VOR collocated with TACAN
VRS -Voice Recording System
VTA -Vertex Time of Arrival
VTOL -Vertical Takeoff and Landing
WAAS-Wide Area Augmentation System
WC -Work Center
WECO -Western Electric Company
WMSC -Weather Message Switching Center
WSCMO -Weather Service Contract Meteorological
Observatory
WSMO -Weather Service Meteorological Observatory
WTHR -"Weather"
TMC/MC -Traffic Management Coordinator/Military
Coordinator
TMCC -Traffic Management Computer Complex
TML -Television Microwave Link
TMLR -Television Microwave Link Repeater
TM&O -Telecommunications Management and Operations
TMS -Traffic Management System
TMU -Traffic Management Unit
TOF -Time Of Flight
TOPS -Telecommunications Ordering and Pricing System
(GSA software tool)
TNAV -Terminal Navigational Aids
TRACAB -Terminal Radar Approach Control in Tower Cab
TRAD -Terminal Radar Service
TSA -Taxiway Safety Area
TSP -Telecommunications Service Priority
TSYS -Terminal Equipment Systems
TTY -Teletype
TW -Taxiway
TY -Type (FAACIS)
-UUHF -Ultra High Frequency
USAF -United States Air Force
-VVDME -VOR with Distance Measuring Equipment
VFR -Visual Flight Rules
VLF -Very Low Frequency
VNAV -Visual Navigational Aids
VON -Virtual On-net
VOR/DME -VHF Omnidirectional Range/Distance Measuring
Equipment
VOT -VOR Test Facility
VSCS -Voice Switching and Control System
VTAC -VOR collocated with TACAN
VTS -Voice Telecommunications System
-WWAN -Wide Area Network
WCP -Weather Communications Processor
WESCOM -Western Electric Satellite Communications
WMSCR -Weather Message Switching Center Replacement
WSFO -Weather Service Forecast Office
WSO -Weather Service Office
WX -Weather
-X-Y-Z-
C9
Maryland Aviation Administration
All Rights Reserved 2009