Acronyms: S

Acronym	Name
SRMDM	Safety Risk Management Memo
SRR	System/software requirements review
SRS	Shuttle Reservation System
SRS	Software requirements specification
SRTM	Shuttle radar topography mission
SRU	Shop replaceable unit
SRW	Soldier Radio Waveform
SSA	Source selection activity
SSA	System safety assessment
SSAC	Source selection advisory committee
SSALF	SSALS with Sequenced Flashers
SSALR	Simplified Short Approach Lighting System
SSAP	Strategic safety action plan
SSB	Single side band
SSC	System Support Center
SSC	Systems Support Center
SSD	System Support Directive
SSDD	System/segment design document
SSE	Safety, security and environmental performance
SSE	Servicing Security Element
SSEB	Source selection evaluation board
SSM	System Support Modification
SSOI	Sidestick order indicator
SSR	Secondary surveillance radar
SSRWG	Systems Safety Risk Working Group
SSS	Surveillance server system
SSS	System/segment specification
SST	System Shakedown Testing
SSU	Subsequent signal unit
ST&E	Security Test and Evaluation
STA	Scheduled time of arrival
STAMP	Site Transition Activation Management Plan
STANAG	Standardization agreement
STANS	Simulation for a total air navigation system (Eurocontrol)
STAP	Space-time adaptive processing
STAR	Standard Terminal Arrival
STAR	Standard Terminal Arrivals
STAR	Standard terminal arrival route
STARS	Standard Terminal Automation Replacement System
STARS	Standard terminal automation replacement system (FAA)
STB	Systems test bed
STC	Supplemental type certificate
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
STI	Short Term Incentives
STIU	Satellite telecommunications intermediate unit
STK	Scandinavian Surveillance Office
STM	Serial transition module
STMP	Special Traffic Management Program
STMS	Surface traffic management system
STMUX	Statistical Data Multiplexer
STOL	Short Take - Off and Landing
STOL	Short takeoff and landing
STOVL	Short takeoff/vertical landing
STP	System test plan
STP/D	STP/description
STR	System Technical Release
STR	System technical report
STR	System test report
STT	Staffing to Traffic
STUAS	Small tactical unmanned aircraft system
STVS	Small tower voice switch
STX	Start of text
SU	Signal unit
SUA	Special use airspace
SUB	Subscribe
SUM	Software user manual
SUP	Suspected Unapproved Parts
SUPCOM	Supervisors Committee (AAT AND AAF)
SUPPS	Regional supplementary procedures (ICAO)
SUPPS	Supplementary Procedures
SURPIC	Surface Picture
SUT	System under test
SVC	Switched virtual circuit
SVCA	Service A
SVCB	Service B
SVCC	Service C
SVCO	Service O
SVFB	Interphone Service F (B)
SVFC	Interphone Service F (C)
SVFD	Interphone Service F (D)
SVFO	Interphone Service F (A)
SVFR	Special Visual Flight Rules
SVS	Synthetic vision system
SVU	Satellite voice unit
SW	Software
SWAP	Severe Weather Avoidance Procedure/Program
SWAP	Severe weather avoidance procedure program
SWARM	Smart Warfighting Array of Reconfigurable Modules (U.S. Army)
SWIFT	Selections Within Faster Times
SWIM	System Wide Information Management
SWIM	System Wide Information Management (FAA)
SWIT	Software integration and test
SWIT	Switched virtual circuit
SWPPP	Storm Water Pollution Protection Plan
SWTP	Software technology plan

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Acronyms: S