S

• S
• S/N
• SAAAR
• SAAQ
• SAAR
• SAARC
• SAC
• SADC
• SADCC
• SAE
• SAFA
• safety and air navigation oversight audit section
• safety assessment of foreign aircraft
• safety management manual
• safety management system
• safety performance indicator
• safety recommendations of global concern
• SALS
• SAMS
• SAR
• SARCC
• SARPS
• SART
• SAS
• SATCC
• SATCOM
• satellite-based augmentation systems
• SATNAV
• SB
• SBAS
• SBSTA
• scattered
• SCF-NP
• SCF-PP
• SCT
• SD (1)
• SD (2)
• SDF (1)
• SDF (2)
• SDR (1)
• SDR (2)
• search and rescue
• search and rescue (radar) transponder
• search and rescue mission co-ordinator
• search and rescue region
• search and rescue unit
• SEC
• secondary surveillance radar
• security related
• security tamper-evident bags
• segmento de aproximação inicial
• segmento de aproximação inicial [POR]
• SEL
• SELA
• SELCAL
• selective calling
• selective identification feature
• SER
• serial number
• service bulletin
• service difficulty report
• serviço de investigação e prevenção de acidentes aeronauticos (brazil)
• SH
• shaft horsepower
• SHEEL
• SHF
• SHM
• short
• short approach light system
• short take-off and landing
• shower(s) in the vicinity
• SHP
• shutdown
• SIAP
• SID
• SIECA
• sierra
• SIF
• SIGMET
• significant safety concern
• significant weather
• SIGWX
• simple harmonic movement
• simplified short approach lighting system with runway alignment indicator lights
• simplified technical english
• simulation of upset recovery in aviation
• single annular combustor
• single isolated wheel load
• single sideband
• SIP
• SIPAER
• SIS
• sistema de alerta de tráfego e prevenção de colisões
• SIWL
• SLP
• SLSA
• SM
• SMA
• SMC
• SMC (1)
• SMC (2)
• SME
• SMGCS
• SMM
• smoke number
• SMR
• SMS
• SN
• SNOWTAM
• SOC
• société internationale de télécommunications aéronautiques
• society of automotive engineers
• sociologcal impact statement
• SODAR
• software, hardware, environment, liveware, liveware
• SOIA
• SOLI
• sonic detection and ranging
• SOP
• SOPs
• sound exposure level
• sound transmission coefficient
• south asian association for regional cooperation
• south pacific bureau for economic cooperation
• south pacific commission
• southern africa transport and communications commission
• southern african development community
• southern african development cordination conference
• southern cone common market
• SP
• SPA
• space meteorology
• space weather center
• SPC
• SPEC
• SPECI
• special drawing rights
• special position indicator
• special prorate agreement
• speed limiting point
• SPI (1)
• SPI (2)
• SPL
• SPO
• SQ
• squall
• SRA
• SRE
• SRGC
• SRM
• SRR
• SRU
• SSALR
• SSALS
• SSALSR
• SSB
• SSC
• SSID
• SSP
• SSR
• SST
• SSV
• STA
• stabilization augmentation system
• standard deviation
• standard instrument arrival
• standard instrument arrival routes
• standard instrument departure
• standard operating procedures
• standard operational procedures
• standardized training package
• standardized training package library
• standards and procedures officer
• STAR (1)
• STAR (2)
• start of climb
• state aviation activity questionnaire
• state of licence issue
• state safety programme
• STC (2)
• STE
• steady initial climb speed
• STEBs
• step down fix
• STMP
• STOL
• stopway light(s)
• STP
• STPL
• straight-in approach
• structural integrity programme
• STWL
• SUA
• SUA/ISE
• subject matter expert
• substantial damage
• super high frequency
• supersonic transport
• supplemental structural inspection document
• supplementary flight plan
• SUPPS
• SUPRA
• surface movement control
• surface movement radar
• surveillance radar approach
• surveillance radar element of precision approach radar system
• SVFR
• SVS
• SWAP
• SWX
• SWXC
• synthetic vision system
• system component failure-power plant
• system/component failure or malfunction (non-powerplant)