S - Aviation Glossary
- Safety Alert
- SAFETY LOGIC SYSTEM
- SAFETY LOGIC SYSTEM ALERTS
- SAIL BACK
- SALS
- SAME DIRECTION Aircraft
- SATCOM
- Satellite ephemeris data
- Satellite-Based Augmentation System (SBAS)
- SAY AGAIN
- SAY ALTITUDE
- SAY HEADING
- Scan
- Scheduled operation
- Scheduled Time of Arrival (STA)
- Sea breeze
- SEA LANE
- Sea level engine
- Search and Rescue (SAR)
- Search And Rescue Facility
- Second in command
- Secondary Radar Target
- Sectional aeronautical charts
- Sector List Drop Interval (SLDI)
- Security Notice (SECNOT)
- Security Services Airspace
- See And Avoid
- Segmented Circle
- Segments Of An Instrument Approach Procedure
- Selective availability (SA)
- Semicircular canal
- Semimonocoque
- Sense and Avoid (SAA)
- Sensitive altimeter
- Separation
- Separation [ICAO]
- SEPARATION MINIMA
- SERVICE
- Service ceiling
- Servo
- Servo tab
- Severe Weather Avoidance Plan (SWAP)
- Severe Weather Forecast Alerts
- Short Range Clearance
- Short Takeoff And Landing Aircraft (STOL)
- Sidestep Maneuver
- SIGMET (WS)
- SIGMET Information [ICAO]
- Signal-to-noise ratio
- Significant Meteorological Information
- Significant Point
- Significant weather prognostic
- Simplex
- Simplified directional facility (SDF)
- Simulated Flameout (SFO)
- Simultaneous (converging) Dependent Approaches
- Simultaneous (converging) Independent Approaches
- Simultaneous (parallel) Dependent Approaches
- Simultaneous Close Parallel Approaches
- Simultaneous ILS Approaches
- Simultaneous Offset Instrument Approach (SOIA)
- Single Direction Routes
- Single Frequency Approach (SFA)
- Single-pilot resource management (SRM)
- Single-Piloted Aircraft
- Situational awareness
- Skidding turn
- Skills and procedures
- Skin friction drag
- SKYSPOTTER
- Slant range
- Slash
- Slaved compass
- Slippery when wet
- Slipping turn
- Slot Time
- Slow Taxi
- Slush
- Slush Over Ice
- Small aircraft
- Small airplane
- Somatogravic illusion
- Space-Based ADS-B (SBA)
- Spatial disorientation
- Speak Slower
- Special Government Interest (SGI)
- Special Activity Airspace (SAA)
- Special Air Traffic Rules (SATR)
- Special Emergency
- Special flight permit
- Special Flight Rules Area (SFRA)
- Special fuel consumption
- Special Instrument Approach Procedure
- Special Use Airspace
- Special VFR (SVFR) Conditions
- Special VFR (SVFR) Operations
- Special VFR Flight (SVFR) [ICAO]
- Speed
- Speed Adjustment
- Speed Brakes
- Speed Segments
- Spin
- Spiral instability
- Spiraling slipstream
- Spoilers
- Spoofing
- SQUAWK (Mode, Code, Function)
- SSALS
- SSALSR
- St. Elmo’s Fire
- Stabilator
- Stability
- Staging/Queuing
- Stagnant hypoxia
- Stall
- STAND BY
- Standard atmosphere
- Standard empty weight (GAMA)
- Standard holding pattern
- STANDARD Instrument Approach Procedure (SIAP)
- Standard Instrument Departure (SID)
- Standard instrument departure procedures (SIDS)
- Standard Rate Turn
- Standard service volume (SSV)
- Standard Terminal Arrival (STAR)
- Standard Terminal Arrival Charts
- Standard terminal arrival route (STAR)
- Standard Terminal Automation Replacement System (STARS)
- Standard weights
- State Aircraft
- Static longitudinal stability
- Static pressure
- Static Restrictions
- Static stability
- Station
- Stationary Altitude Reservation (STNR ALT RESERVATION)
- Stationary front
- Steep turns
- Step Taxi
- Step Turn
- Stepdown Fix
- Stereo Route
- STOL Aircraft
- Stop Altitude Squawk
- Stop And Go
- Stop Burst
- Stop Buzzer
- Stop Squawk (mode or code)
- Stop Stream
- Stopover Flight Plan
- Stopway
- Straight-In Approach IFR
- Straight-In Approach VFR
- Straight-In Landing
- Straight-In Landing Minimums
- Straight-In Minimums
- Strapdown system
- Strategic Planning
- Stratoshere
- Stress
- Stress management
- Structural icing
- Sublimation
- Substitute Route
- Suction relief valve
- Suitable RNAV system
- Sunset And Sunrise
- Supercharger
- Supercooled water droplets
- Supplemental operation
- Supplemental Weather Service Location (SWSL)
- SUPPS
- Surface analysis chart
- Surface Area
- SURPIC
- Surveillance Approach
- Synchro
- Synthetic vision
- System Strategic Navigation (SN)