AEROSPACE ACRONYM & Abbreviation Guide

December 2006

Avionics Magazine presents the third edition of our comprehensive Aerospace Acronym Guide. Since we started compiling the list in 2002, the number of acronyms and abbreviations has grown by 660 entries, from 2,306 to 2,966.

Though it is not an exhaustive list, we trust it will serve you well.

• S0 Segment 0

• S1 Segment 1

• SA selective availability

• SA situational awareness

• SAAAR special aircraft and aircrew authorization required

• SAASM selective availability/anti- spoofing module

• SAASM/EGI SAASM/embedded GPS inertial system

• S&A sense-and-avoid

• SABENA Societe Anonyme Belge d'Exploitation de la Navigation Aerienne

• SAD software architecture document

• SADT software architecture design team

• SAE Society of Automotive Engineers

• SAFIR systems aid for integration and fault reporting

• SAI system architecture and interfaces

• SAI System Architecture and Interfaces Subcommittee (AEEC)

• SAM slot allocation management

• SAM South American region

• SAMM surface area movement management

• SAMPE Society for the Advancement of Materials and Process Equipment

• SAP service access points

• SAPPHIRE satellite and aircraft database program for system integrity research

• SAR search and rescue

• SAR synthetic aperture radar

• SARPS standards and recommended practices (ICAO)

• SARS severe acute respiratory syndrome

• SAS Scandinavian Airlines System

• SAS stability augmentation system

• SAS station address set

• SASS surveillance analysis support system (Eurocontrol)

• SAT static air temperature

• SAT systems and acceptance testing

• SATCOM satellite communications

• SATNAV satellite navigation

• SB service bulletin

• SBAS satellite-based augmentation system

• SBC single board computer

• SBD schematic block diagram

• SBD short data burst

• SC special committee (RTCA)

• SC202 special committee 202

• SCA self-contained approaches

• SCA software communications architecture

• SCAP standard computerized airplane performance

• SCAT special category

• SCCI system controller and cockpit indicator

• SCD system category diagram

• SCE super-conducting electronics

• SCPC single carrier per channel

• SCSI small computer system interface

• SD secure digital

• SD&D system development and demonstration

• SDD system/software design document

• SDD system development and demonstration

• SDDN software-defined data network

• SDF software development folder

• SDI source destination identifier

• SDL software data loader

• SDLC synchronous data link control

• SDM software development methodology

• SDP software development plan

• SDR software defined radio

• SDR system design review

• SDRAM synchronous dynamic random access memory

• SDRs software-defined radios

• SDU satellite data unit

• SE systems engineering

• SEC aircraft information security

• SEC software enabled control

• SECAM sequential color with memory

• SEI Software Engineering Institute

• SEL select identifier

• SELCAL selective calling

• SEMP system engineering management plan

• SESAR single European sky air traffic management research

• SETA system engineering and technical assistance (contractor)

• SE-Vision synthetic-enhanced vision

• SEWG security working group

• SFAR special federal regulation

• SFDF subsystem fault detection function

• SFE supplier (or seller)-furnished equipment

• SFT software fault tolerance

• SIA Singapore Airlines

• SICAS secondary surveillance radar improvements and collision avoidance systems

• SICASP SICAS Panel (ICAO)

• SID standard instrument departure

• SIGINT signals intelligence

• SIGMET significant meteorological information

• SINCGARS single-channel ground and airborne radio system

• SI&T software integration and test

• SISG Systems Implementation Subgroup (IATA)

• SIT system integration and test

• SITA Societe Internationale de Telecommunications Aeronautiques

• SITD system integration test description

• SITP system integration test plan

• SITP/D SITP/description

• SITR system integration test report

• SIU server interface unit

• SIWG seat integration

• SKT station-keeping technology

• SLA service level agreement

• SLC synchronous link control

• SLH system level health

• SLI system level interface

• SLM standard length message

• SLoC source lines of code

• SLS satellite landing system

• SLUC system level use case

• SLV service level verifier

• SM systems management

• SMA surface movement advisor

• SMART standard modular avionics repair and test

• SMB serial mezzanine board

• SMD surface mount device

• SMDS switch multimegabit data service

• SME system management entity

• SMGCS surface movement guidance and control systems

• SMI standard message identifier

• SMR simulator maintainability and reliability

• SMR specialized mobile radio

• SMR surface movement radar

• SMS short messaging service

• SMS spectrum monitoring system

• SMT standard message text

• SMU sensor management unit

• SMUG stores management upgrade system

• SN subnetwork

• SNA system network architecture

• SNAC SN access

• SNCR SN connection reference

• SNDCF SN dependent convergence function

• SNDCF/P SNDCF/protocol

• SNICF SN independent convergence function

• SNLE SN link establishment

• SNMP simple network management protocol

• SNMPv1 SNMP version 1

• SNPA SN point of attachment

• SNPDU SN protocol data unit

• SNR signal-to-noise ratio

• SNSDU SN service data unit

• SOC system on a chip

• SOH start of header

• SOI system operator instructions

• SOIA simultaneous offset instrument approach

• SOM software operator manual

• SOIT satellite operational implementation team

• SON statement of operational need

• SOW statement of work

• SP signal processing

• SPEAR system performance evaluation and analysis reporting

• SPCR system problem/change report

• SPI serial peripheral interface

• SPICE STANS preparation integrator for CNS/ATM environment (Eurocontrol)

• SPM software programmer's manual

• SPO system program office

• SPR safety and performance requirements

• SPS software product specification

• SPS standard positioning service

• SPS stratospheric platform system

• SPTF Spectrum Policy Task Force

• SQ service quality

• SQAP software quality assurance plan

• SQB SQ/billing processor

• SQD SQ data

• SQP signal quality parameter

• SRAM static random access memory

• SREJ selective reject

• SRM selective reject mode

• SRM systematic risk management

• SRR system/software requirements review

• SRS software requirements specification

• SRTM shuttle radar topography mission

• SRU shop replaceable unit

• SSA source selection activity

• SSA system safety assessment

• SSAC source selection advisory committee

• SSAP strategic safety action plan

• SSB single side band

• SSDD system/segment design document

• SSEB source selection evaluation board

• SSOI sidestick order indicator

• SSR secondary surveillance radar (ICAO/FAA)

• SSS surveillance server system

• SSS system/segment specification

• SSU subsequent signal unit

• STANAG standardization agreement

• STANS simulation for a total air navigation system (Eurocontrol)

• STAP space-time adaptive processing

• STAR standard terminal arrival route

• STARS standard terminal automation replacement system (FAA)

• STB systems test bed

• STC supplemental type certificate (FAA)

• STCA short-term traffic advisory

• STD standard

• STD system technical description

• STDMA self-organized time division multiple access

• STDMA synchronized time division multiple access

• STF SATCOM tracking facility

• STIU satellite telecommunications intermediate unit

• STK Scandinavian authorities

• STM serial transition module

• STOVL short takeoff/vertical landing

• STP system test plan

• STP/D STP/description

• STR system technical report

• STR system test report

• STVS small tower voice switch

• STX start of text

• SU signal unit

• SUA special use airspace

• SUM software user manual

• SUPPS regional supplementary procedures

• SUT system under test

• SVC switched virtual circuit

• SvRR service readiness review

• SVS synthetic vision system

• SVU satellite voice unit

• SW software

• SWIT software integration and test

• SWIT switched virtual circuit

• SWTP software technology plan

• SWTRR software test readiness review

• SYS system identifier

• SYSCAT-B system category-B (FAA message format)

• SysCI system configuration item

• SysDD system design document