| S | South | 南 |
| S | Southern | 南方的 |
| S | Southern Latitude | 南纬 |
| S | Shilling | 先令（货币单位） |
| S | Soft Surface | 软道面 |
| S | Small | 小的 |
| S | Summer Time | 夏令时 |
| S | Wind Shear Component | 风切变分量 |
| SA | Duststorm | 尘暴 |
| SA | Sandstorm | 沙暴 |
| SA | Rising Dust or rising Sand | 场濡或扬沙 |
| SA | Say | 说 |
| SA | Space Available | 有空位 |
| SA | See Also | 还可参阅…… |
| SA | Semi-Annual | 半年度 |
| SA | Subject to Approval | 须经批准 |
| SA | Routine Aviation Weather Report | 日常航空天气报告 |
| S/A | Shortened Address | 简缩地址 |
| S/A | Supplemental Address | 附加地址 |
| S/A | Serviceable | 可用的，工作的 |
| S/A | Such As | 例如 |
| SABH | Radio Beacon Class | 无线电信标等级 |
| SAC | Essential Ac | 重要交流电 |
| SAC | Sack | 袋子 |
| SAC | Signature Authorization Card | 签署批准卡 |
| SAF | Safety | 安全 |
| SAFR | South Africa | 南非 |
| SAFR | Service Air Freight | 空中货运服务 |
| SALS | Simplified Approach Lighting System | 简易进近灯光系统 |
| SALS | Short Approach Light System | 短距进近灯光系统 |
| SALSF | Short Approach Light System With Sequenced Flashing Lights | 装有顺序闪光灯的短距进近灯光系统 |
| SALTM | Standby Altimeter | 备用高度表 |
| SAM | Stabilizer Trim And Aileron Lockout Module | 安定面配平和副翼锁定组件 |
| SAM | South American Region | 南美地区 |
| SAMP | Sample | 样品 |
| SAN | Sanitary | 卫生的 |
| SAND | Sandstorm | 沙暴 |
| SAP | Soon as Possible | 尽快 |
| SAPO | Soon as Possible | 尽快 |
| SAR | Search and Rescue | 搜寻与援救 |
| SARCC | Search and Rescue Coordination Center | 搜寻援救协调中心 |
| SAREX | Search and Rescue Exercise | 搜寻与援救演习 |
| SARPS | Standard and Recommended Practices | 标准及推荐措施 |
| SARS | Standby Attitude Reference System | 备用姿态基准系统 |
| SARTIME | Time Search Action Required | 要求搜寻行动的时间 |
| SAS | Stability Augmentation System | 稳定增益系统 |
| SAT | Saturday | 星期六 |
| SAT | Static Air Temperature | 静温 |
| SAT | South Atlantic Region | 南大西洋地区 |
| SAT | Satellite | 卫星 |
| SATCOM | Satellite Communication | 卫星通讯 |
| SATEL | Satellite | 卫星 |
| SATFY | Satisfy | 满意 |
| SATLT | Satellite | 卫星 |
| SAWRS | Supplementary Aviation Weather Reporting Station | 辅助航空天气报告站 |
| SB | Symbol | 符号 |
| SB | Standby | 备用，等待 |
| SB | Service Bulletin | 服务通告 |
| SB | Speed Braker | 减速板 |
| SB | Somebody | 某人 |
| SB | Switch Box | 开关盒 |
| SB | South Bound | 向南，南行 |
| S/B | Standby | 备用，等待 |
| SBA | Standard Beam Approach | 标准波束进近 |
| SBAC | Society of British Aircraft Constructors | 英国飞机制造协会 |
| SBMT | Submit | 提出 |
| SBST | Substance | 实体，资产 |
| SC | Stratocumulus | 层积云 |
| SC | Screw | 螺丝钉 |
| SC | Suitcase | 手提箱 |
| SC | Service Check | 维护检查 |
| SC | Service Charge | 服务费 |
| SC | Screen | 屏幕 |
| SC | Scale | 比例尺 |
| S/C | Step Climb | 梯度爬升 |
| S/C | Speed Command | 空速指令 |
| S/C | Super Charger | 增压器 |
| S/C | Sale Contract | 销售合同 |
| SCATANA | Security Control Of Air Traffic and Air Navigation Aids | 空中交通和空中助航设备安全管制 |
| SCCOM | Coordination Center of Military Air Traffic Control | 军事空中交通管制协调中心 |
| SCD | Scheduled | 班期的，定期的 |
| SCD | Subject to Captain’s Discretion | 由机长确定 |
| SCH | Schilling | 先令（货币单位） |
| SCHED | Scheduled | 班期的，定期的 |
| SCI | Scientific | 科学的 |
| SCID | Signal Collection/Tail Identification Card | 讯号收集/机尾标志卡 |
| SCL | Scale | 比例尺 |
| SCLN | Semicolon | 分号 |
| SCM | Spoiler Control Module | 扰流板控制组件 |
| SCM | Stabilizer Control Module | 安定面控制组件 |
| SCN | Self Contained Navigation | 自主式导航 |
| SCN | Specification Control Navigation | 规范控制导航 |
| SCN | Scan | 扫描 |
| SCOB | Sattered Clouds Or Better | 少云或无云 |
| SCP | Scope | 范围 |
| SCR | Silicon Controlled Rectifier | 可控硅整流器 |
| SCR | Screw | 螺钉 |
| SCRN | Screen | 屏幕 |
| SCRG | Screening | 屏蔽 |
| SCS | Signal Control Search | 信号控制搜寻 |
| SCT | Scattered | 分散的，少云 |
| SCTR | Sector | 扇区 |
| SCTY | Security | 安全 |
| SCU | Seat Control Unit | 座椅控制组件 |
| SD | Shut Down | 关闭，关断 |
| SD | Send | 送 |
| SD | Said | 上述的 |
| SD | Sudan | 苏丹 |
| S/D | Shut Down | 关闭，关断 |
| SDA | Special Data Acquisition Unit | 专用数据获取组件 |
| SDBD | Sideband | 边带 |
| SDBY | Standby | 备用，等待 |
| SDC | Essential DC | 重要直流电 |
| SDC | Standard Departure Clearance | 标准离场放行许可 |
| SDD | System Description Document | 系统说明书 |
| SDF | Simplified Directional Facilities | 简易定向设备 |
| SDG | Sending | 发送 |
| SDL | Saddle | 支架 |
| SDLR | Singapore Dollar | 新加新元 |
| SDN | Sudan | 苏丹 |
| SDP | Software Design Plan | 软件设计计划 |
| SDR | Sender | 发送人 |
| SDR | Special Drawing Rights | 特别提款权 |
| SE | Single Engine | 单发 |
| SE | South East | 东南 |
| SE | Storage Element | 储存元件 |
| SE | Sweden | 瑞典 |
| SEA | South East Asia | 东南亚 |
| SEA | Seattle | 西雅图（美） |
| SEATOC | Seat Occupied | 占用的座位 |
| SEB | South-Eastbound | 飞往东南方向，东南向 |
| SEB | Seat Electronic Box | 座椅电子盒 |
| SEC | Second | 秒，第二 |
| SEC | Secretary | 秘书 |
| SEC | Security | 安全 |
| SEC | Section | 部分，科 |
| SECD | Secondary | 备用的，旧的，次的 |
| SECHD | Secondhand | 旧的，二手的 |
| SECR | Secret | 秘密 |
| SECT | Sector | 扇区 |
| SECT | Section | 部分，科 |
| SECTN | Section | 部分，科 |
| SEI | Standby Engine Indicator | 备用发动机指示器 |
| SEK | Swedish krona | 瑞典克朗（货币单位） |
| SEL | Select | 选择 |
| SEL | Selector | 选择器 |
| SEL | Selective Calling System | 选择呼叫系统 |
| SELCAL | Selective Calling System | 选择呼叫系统 |
| SELG | Selling | 出售 |
| SELN | Selection | 选择 |
| SELR | Selector | 选择器 |
| SELTR | Selector | 选择器 |
| SEM | Semicolon | 分号 |
| SEN | Senior | 年长的，高等的 |
| SENR | Senior | 年长的，高等的 |
| SENS | Sensor | 传感器 |
| SENS | Sensitivity | 灵敏度 |
| SEP | September | 九月 |
| SEP | Separate | 分开，分离 |
| SEPN | Seperation | 分开，分离 |
| SEPT | September | 九月 |
| SEPT | Separate | 分开，分离 |
| SEQ | Sequence | 顺序，次序 |
| SER | Series | 系列，连续 |
| SER | Serial | 按顺序的，连续的 |
| SER | Serviceable | 可用的，工作的 |
| SER | Stop End Of Runway | 跑道停止端 |
| SER | Scheduled Engine Removal | 定期换发 |
| SERV | Service | 服务 |
| SETL | Settle | 安排，解决 |
| SETMT | Settlement | 解决 |
| SEU | Seat Electronics Unit | 座椅电子组件 |
| SEV | Severe | 严重的（天气现象） |
| SEV | Several | 几个 |
| SF | Square Feet | 平方英尺 |
| SF | Safety Factor | 安全系统 |
| SF | San Francisco | 旧金山（美） |
| SF | Sequence Flasher | 顺序闪光灯 |
| SFC | Surface | 表面 |
| SFC | Specific Fuel Consumption | 具体的燃油消耗量 |
| SFLARE | Flare Distance | 改平距离 |
| SFL | Sequenced Flashing Lights | 顺序闪光灯 |
| SFLS | Sequenced Flashing Light System | 顺序闪光灯系统 |
| SFR | Switzerland Franc | 瑞士法郎（货币单位） |
| SFT | Square Feet | 平方英尺 |
| SFT | System Functional Test | 系统功能测试 |
| SFT | Soft | 软的 |
| SFT | Safety | 安全 |
| SFTD | System Functional Test Dataset | 系统功能测试数据组 |
| SFY | Satisfied | 满意的 |
| SG | Symbol Generator | 符号发生器 |
| SG | Ground Distance | 地面距离 |
| SG | Snow Grains | 雪粒 |
| SG | Singapore | 新加坡 |
| SGD | Signed | 签署的 |
| SGD | Singapore Dollar | 新加坡元 |
| SGL | Single | 单一的 |
| SGL | Signal | 信号 |
| SGL | Signature | 签字 |
| SGND | Signed | 签署的 |
| SGP | Singapore | 新加坡 |
| SH | Shower | 阵雨 |
| SH | Shilling | 先令（货币单位） |
| SH | Sheet | 张 |
| SHD | Should | 应该 |
| SHD | Scheduled | 班机时刻，按班机的 |
| SHF | Super High Frequency | 超高频 |
| S/HGT | Safety Hight | 安全高度 |
| S/I | Snow and Ice | 冰雪 |
| SHIP | Shipping | 装运 |
| SHIPT | Shipment | 一批货物 |
| SHL | Shell | 外壳 |
| SHLD | Shield | 屏障，防护 |
| SHLV | Shelve | 搁置 |
| SHLW | Shallow | 浅的 |
| SHN | Shown | 显示的 |
| SHORAN | Short Range Navigation | 短程导航 |
| SHP | Standard Holding Procedure | 标准等待程序 |
| SHP | Shape | 形状 |
| SHP | Ship | 船舶，运送 |
| SHP | Shop | 商店 |
| SHPMNT | Shipment | 一批货物 |
| SHPR | Shipper | 托运人 |
| SHPT | Shipment | 一批货物 |
| SHT | Short | 短的 |
| SHT | Sheet | 张，页 |
| SHUD | Should | 应该 |
| SHWR | Shower | 阵雨 |
| SI | Structure Inspection | 结构检查 |
| SI | Special Inspection | 特殊检查 |
| SI | Straight in Approach | 直接进近 |
| SI | Smiths Industries Limited | 史密斯有限公司 |
| S/I | Snow and Ice | 雪与冰 |
| SIA | Standard Instrument Approach | 标准仪表进近 |
| SIA | System Interconnect Assembly | 系统内连组件 |
| SID | Standard Instrument Departure | 标准仪表离场 |
| SIDS | Standard Instrument Departures | 标准仪表离场 |
| SIF | Selective Identification Feature | 选择识别装置 |
| SIG | Signal | 信号 |
| SIG | Signature | 签字 |
| SIGCLD | Significant Clouds | 重要云类 |
| SIG COND | Signal Conditioner | 讯号空调机 |
| SIGMET | Significant Met Information | 重要气象情报 |
| SIGWX | Significant Weather | 重要气象情况 |
| SII | Say if Incorrect | 如有误请告 |
| SIL | Silver | 银 |
| SIL | System Integration Laboratory | 系统综合实验室 |
| SIL | Service Information Letter | 服务情况信件 |
| SIL | Special Inspection Request | 特殊检查要求 |
| SIM | Service Irregularity Message | 服务不正常电报 |
| SIM | Simulation | 模拟 |
| SIM | Simulator | 模拟机 |
| SIML | Similar | 类似的 |
| SIMP | Simple | 简单的 |
| SIMP | Simplex | 单工的 |
| SIMUL | Simultaneously | 同时地 |
| SIMUL | Simulation | 模拟 |
| SIN | Sine | 正弦 |
| SINCRLY | Sincerely | 真诚地 |
| SING | Singular | 单独的 |
| SIP | Structural Inspection Procedure | 结构检查程序 |
| SIPP | Standard Interline Passenger Procedure | 标准联程旅客程序 |
| SIR | Special Inspection Request | 特殊校验要求 |
| SIS | Service Interphone System | 勤务内话系统 |
| SITA | Societe International De Telecommunications | 国际航空电信公司 |
| SITN | Situation | 情况，形势 |
| SITT | Sitting-Room | 会客室 |
| SIU | Static Inverter Unit | 静变流机组件 |
| SIW | Say If Wrong | 如有误请告 |
| SIWL | Single Isolated Wheel Load | 单轮载荷 |
| SIZ | Security Identification Zone | 安全识别区 |
| SK | Seek | 寻找 |
| SK | Sack | 包，袋 |
| SK | Sick | 有病的 |
| SKC | Sky Clear | 晴空 |
| SKD | Scheduled | 班期的，定期的 |
| SKD | Skilled | 技术熟练的 |
| SKED | Scheduled | 班期的，定期的 |
| SKG | Smoke Goggles | 防烟眼镜 |
| SKR | Sweden Krone | 瑞典克朗（货币单位） |
| SKT | Socket | 插座 |
| SL | Sea Level | 海平面 |
| SL | Station Line | 站位线 |
| SL | Solid | 固体的 |
| SL | Sold | 售出的 |
| SLAMMR | Side Looking Airborne Multi-Mission Radar | 机载侧视多用雷达 |
| SLAR | Slant Range | 斜距 |
| SLCT | Select | 选择 |
| SLCT | Selector | 选择器 |
| SLCTD | Selected | 选择的 |
| SLCTR | Selector | 选择器 |
| SLGT | Slight | 轻微的 |
| SLN | Selection | 选择 |
| SLP | Speed Limit Point | 速度点 |
| SLR | Solar | 太阳的 |
| SLS | Side-Lobe Radiation | 旁瓣发射 |
| SLST | Sea Level Static Thrust | 海面平静推力 |
| SLT | Select | 选择 |
| SLTN | Solution | 解决，溶液 |
| SLW | Slow | 慢 |
| SLWLY | Slowly | 慢慢地 |
| SLY | Slowly | 慢慢地 |
| SM | Station Manager | 站长 |
| SM | Statute Mile | 法定海里 |
| SM | Small | 小 |
| SM | Summer | 夏季 |
| S/M | Stereo/Mono | 立体声/单声道 |
| SMC | Surface Movement Control | 地面活动管制 |
| SMC | Standard Mean Chord | 标准平均弦长 |
| SMI | Specific Maintenance Instruction | 专用维护说明 |
| SMK | Smoke | 烟，吸烟 |
| SMKLS | Smokeless | 无烟 |
| SML | Small | 小 |
| SML | Similar | 类似的 |
| SMLN | Simulation | 模拟 |
| SMO | Supplementary Meteorological Office | 辅助气象台 |
| SMO | Synthesizer Mixer Output | 合成混频器输出 |
| SMO | So Much of | 如此多的…… |
| SMP | Sample | 样品 |
| SMR | Surface Movement Radar | 地面活动雷达 |
| SMRY | Summary | 总结，摘要 |
| SMTH | Smooth | 平稳，顺利 |
| SN | Snow | 雪 |
| S/N | Serial Number | 序号 |
| S/N | Signal to Noise Ratio | 信噪比 |
| SNBR | Snubber | 缓冲器，减震器 |
| SNC | Since | 自……以来，因为 |
| SND | Send | 发送 |
| SND | Sound | 声音 |
| SNGL | Single | 单一的 |
| SNOWTAM | Snow Notam | 雪情通告 |
| SNR | Sensor | 传感器 |
| SNR | Step Number | 步骤号 |
| SNR | Signal to Noise Ratio | 信噪比 |
| SNR | Schedule Negotiation Record | 计划谈判记录 |
| SNR | Sensor | 传感仪 |
| SNSH | Snow Shower | 阵雪 |
| SNSR | Sensor | 传感仪 |
| SNT | Sent | 发送（过去时） |
| SNW | Snow | 雪 |
| SNX | Snack | 小吃 |
| S/O | Second Off | 副驾驶 |
| S/O | Shut Off | 关断，排除 |
| S/O | Standard Option | 标准选择 |
| SOB | Souls on Board | 机上人员 |
| SOB | Side of Body | 机身侧面 |
| SOC | Start of Climb | 开始爬升 |
| SOC | Society | 协会，社会 |
| SOH | Start of Heading | 起始航向 |
| SOI | Seats Occupied Information | 座位占用情况 |
| SOL | Indicated Height Above Aerodrome Level | 高出机场的指示高度 |
| SOL | Start of Climb | 开始爬升 |
| SOL | Solenoid | 电磁 |
| SOL | Solid | 固体 |
| SOLN | Solution | 解决，溶液 |
| SOLN | Solenoid Valve | 电磁活门 |
| SOM | Seats Occupied Message | 座位占用电报 |
| SOMET | Sometimes | 有时 |
| SOP | Standard Operation Procedure | 标准使用程序 |
| SORI | Sorry | 对不起 |
| SOS | Distress Signal | 遇险信号 |
| SOT | Start of Transmission | 开始发射 |
| SOT | Wind Shear/Outside Air Temperature | 风切变/外界大气温度 |
| SOT | Start of Take off Runway Available | 起飞可用跑道起始端 |
| SOV | Shut-off Valve | 切断活门 |
| SOW | Statement of Work | 工作说明 |
| SOWL | Aural Warning Siren | 音响警告警报 |
| SP | Space | 空间，间隔 |
| SP | Spanish | 西班牙语，西班牙人 |
| SP | Speed | 速度 |
| SP | Spelling | 拼写 |
| SP | Single Phase | 单相 |
| SP | Single Pilot | 一个飞行员 |
| SP | South Pacific Ocean | 南太平洋 |
| SP | Spring | 春天，弹簧 |
| SP | Spare | 备用的 |
| SP | Special Performance | 特殊性能 |
| SPAR | Special Passenger Arrangement | 特殊旅客安排 |
| SPAR | French Light Precision Approach Radar | 法式灯光精密进近雷达 |
| SPC | Space | 空间，间隔 |
| SPCK | Spot Check | 现场检查 |
| SPCL | Special | 特殊的，专用的 |
| SPCL | Specification | 规格，规范 |
| SPD | Speed | 速度 |
| SPDBRK | Speedbrake | 减速板 |
| SPDG | Spending | 开支，花费 |
| SPDCMD | Speed Command | 空速指令 |
| SPEC | Specification | 规格，规范 |
| SPEC | Special | 专门的，特殊的 |
| SPECI | Aviation Special Weather Report | 特别航空天气报告 |
| SPECIAL | Special Meteorological Report | 特别气象报告 |
| SPEQ | Special Equipment | 特殊设备，专门设备 |
| SPG | Spring | 春天，弹簧 |
| SPGR | Specific Gravity | 单位比重 |
| SPI | Special Position Identification | 专用位置识别 |
| SPK | Speaker | 喇叭 |
| SPK | Spark | 火花 |
| SPKR | Speaker | 喇叭 |
| SPL | Special | 特殊的，起用的 |
| SPL | Special Plane | 专机 |
| SPL | Supplementary Flight Plan(Message) | 补充飞行计划（电报） |
| SPL | Spare Parts List | 备件清单 |
| SPLMT | Supplement | 补充 |
| SPLMTL | Supplemental | 补充的 |
| SPLR | Spoiler | 扰流板 |
| SPLTARY | Supplementary | 补充的 |
| SPLTY | Speciality | 特性 |
| SPLY | Supply | 供应，提供 |
| SPM | Stabilizer Position Module | 安定面位置组件 |
| SPM | Surface Monitor | 表面监控器 |
| SPOT | Spot Wind | 航路点的风，定点风 |
| SPPT | Spare Part | 备件 |
| SPR | Spring | 春天，弹簧 |
| SPS | Surge Prevention System | 防喘振系统 |
| SPT | Support | 支持，支援 |
| SPT | Seaport | 海港 |
| SPVN | Supervision | 监督 |
| SPX | Simplex | 单工的 |
| SQ | Squall | 飑风，狂风 |
| SQ | Square | 平方，方形 |
| SQFT | Square Feet | 平方英尺 |
| SQIN | Square Inch | 平方英寸 |
| SQL | Squelch | 静噪 |
| SQM | Square Meter | 平方米 |
| SR | Sunrise | 日出 |
| SR | Sir | 先生 |
| SR | Senior | 年长的，高等的 |
| SR | Series | 系列 |
| SRA | Surveillance Radar Approach | 监视雷达进近 |
| SRA | Special Rules Area | 特殊规则区 |
| SRADD | Software Requirements and Design Document | 软件要求和设计文件 |
| SRC | Source | 来源 |
| SRCH | Search | 搜寻，调查 |
| SRD | System Require ments And Design Document | 系统要求和设计文件 |
| SRE | Surveillance Radar Element | 监视雷达元件 |
| SRG | Short Range | 短程 |
| SRL | Serial | 顺序的 |
| SRM | Structure Repair Manual | 结构修理手册 |
| SRP | Selected Reference Point | 选择基准点 |
| SRR | Search And Rescue Region | 搜寻与援救地区 |
| SRS | Series | 系列 |
| SRS | Secondory Radio Station | 辅助无线电台 |
| SRT | Standard Rate Of Turn | 标准转弯率 |
| SRU | Self-Recording Unit | 自录组件 |
| SRV | Service | 服务 |
| SRVO | Servo | 伺服 |
| SRY | Sorry | 对不起 |
| SRY | Secondary | 第二，次的，备用的 |
| SRZ | Special Rules Zone | 特殊规则地带 |
| SRZ | Survillance Radar Zone | 监视雷达地带 |
| SS | Sunset | 日落 |
| SS | Solid State | 固体 |
| SS | Single Shot | 单冲 |
| SS | Sliding Scale | 滑动标尺 |
| SSA | Sector Safety Altitude | 扇区安全高度 |
| SSALF | Simplified Short Appoach Light System With Sequenced Flashing Lights | 装有顺序闪光灯的简式短距进近灯光系统 |
| SSALR | Simplified Short Approach Light System With Runway Alignment Indicator Lights | 装有跑道对准指示灯的简式短距进近灯光系统 |
| SSALS | Simplified Short Approach Light System | 简式短进近灯光系统 |
| SSB | Split System Breaker | 分离系统断电器 |
| SSB | Single Sideband | 单边带 |
| SSE | South South East | 南南东 |
| SSEC | Static Source Error Calibration | 静压源误差校准 |
| SSFD | Signal Selection Fault Detection | 信号选择故障检测 |
| SSI | Structural Significant Item | 结构重要项目 |
| SSM | Servo System Monitor | 伺服系统监控器 |
| SSN | Seasonal | 季节性的 |
| SSPD | Shortshipped | 漏装 |
| SSR | Special Service Requirement | 特殊服务请求 |
| SSR | Secondary Surveillance Radar(Tran-sponder) | 二次监视雷达（应答机） |
| SSRS | Supplemental Stall Recognization Sys-tem | 辅助失速识别系统 |
| SSSV | Static Source Selector Valve | 静压源选择器活门 |
| SST | Supersonic Transport | 超音速运输机 |
| SST | Stainless Steel | 不绣纲 |
| SSW | South South-West | 南南西 |
| ST | Seat | 座位 |
| ST | Paid Service | 收费服务 |
| ST | Street | 街道 |
| ST | Stratus | 层云 |
| ST | Summer Time | 夏令时间 |
| ST | Standard Time | 标准时间 |
| ST | Self Test | 自测 |
| ST | Start | 开始 |
| ST | Stand | 台，站 |
| ST | State | 状况，国家，州 |
| STA | Straight-In Approach | 直接进近 |
| STA | Station | 站，站位 |
| STA | Station Status Display | 站位状况显示 |
| STA | Scheduled Time Of Departure | 班机离港时间 |
| STAB | Stabilizer | 安定面 |
| STAB | Stabilization | 稳定 |
| STAR | Standard Terminal Arrival Route | 标准进场路线 |
| STAR | Standard Instrument Arrival | 标准仪表进场 |
| STAT | Status | 状况 |
| STAT | Static | 静的 |
| STBD | Starboard | 右侧，右舷 |
| STBL | Stable | 稳定的 |
| STBY | Standby | 备用的，等待 |
| STC | Sensitivity Time Control | 灵敏度时间控制 |
| STC | Self Test Complete | 完成自测 |
| STCH | Stretcher | 担架 |
| STCM | Stabilizer Trim Control Module | 安定面配平控制组件 |
| STD | Supplementary Take off Distance | 辅助起飞距离 |
| STD | Standard | 标准 |
| STD | Standard Altimeter Setting(29.92 In Or 1013.2Mb)Without Temperature Correction | 未作温度修正的标准气压表拔正值（29.92或者说013.2毫巴） |
| STDBY | Standby | 备用的，等待 |
| STDT | Student | 学生 |
| STDY | Steady | 稳定的 |
| STEREO | Stereophonic | 立体声的 |
| STF | Stratiform | 层状云 |
| STF | Staff | 职员 |
| STG | Starting | 开始 |
| STG | Something | 某事 |
| STG | Stage | 阶段 |
| STGE | Storage | 贮藏 |
| STH | Something | 某事 |
| STIN | Straight-In | 直接进近 |
| STIU | Stabilizer Trim Interface Unit | 安定面配平交连组件 |
| STK | Stock | 现有的 |
| STL | Still | 还，仍旧 |
| STL | Steel | 钢 |
| STLG | Sterling | 英镑（重量单位） |
| STM | Statute Miles | 法定海里 |
| STM | System Test Module | 系统测试组件 |
| STM | Storm | 风暴 |
| STMT | Statement | 声明 |
| STN | Station | 站，站位 |
| STLS | Stainless | 不锈钢 |
| STNR | Stationary | 静止的 |
| STODA | Supplementary Take off Distance Avail-able | 辅助起飞可用距离 |
| STOL | Short Take-off And Landing | 短场起降 |
| STP | Stop | 停止，句号 |
| STP | Step | 梯度，阶段 |
| STPOVR | Stopover | 中途经停 |
| STR | Stretcher | 担架 |
| STR | Strike | 罢工 |
| STREET | Street | 街道 |
| STR | Straight | 直线的 |
| STR | Strength | 强度 |
| STR | Steering | 转弯，操纵 |
| STR | Store | 贮存 |
| STR | Strong | 强有力的 |
| STRE | Structure | 结构 |
| STRG | Steering | 转弯，操纵 |
| STRG | Stringer | 桁条 |
| STRUCT | Struction | 结构 |
| STS | Status | 状态 |
| STS | System Status | 系统状态 |
| STS | Speed Trim System | 速度配平系统 |
| STW | Steward | 男乘务员 |
| STW | Stewardess | 女乘务员 |
| STWD | Steward | 男乘务员 |
| STWS | Stewardess | 女乘务员 |
| STWY | Stopway | 安全道 |
| SU | Switching Unit | 转换组件 |
| SU | Soviet Union | 苏联 |
| SUBJ | Subject | 题目，原因 |
| SUBST | Substitute | 替换物，代用品 |
| SUBT | Substitute | 替换物，代用品 |
| SUC | Success | 成功 |
| SUCD | Succeed | 成功 |
| SUDN | Suddenly | 突然地 |
| SUF | Sufficient | 足够的 |
| SUF | Suffix | 词尾 |
| SUFF | Sufficient | 足够的 |
| SUG(G) | Suggest | 建议，提议 |
| SUIT | Suitable | 适合的 |
| SUM | Summary | 总结，摘要 |
| SUM | Summer | 夏季 |
| SUN | Sunday | 星期日 |
| SUP | Support | 支持，支援 |
| SUP | Supreme | 最上的 |
| SUP | Supply | 供给，提供 |
| SUP | Superior | 高级的 |
| SUPL | Supplement | 补充 |
| SUPL | Supply | 供给，提供 |
| SUPLMT | Supplement | 补充 |
| SUPLY | Supply | 供给，提供 |
| SUPMKT | Supermarket | 超级市场 |
| SUPPL | Supplementary | 补充的 |
| SUPPR | Suppression | 抵制、隔离 |
| SUPPS | Regional Supplementary Procedures | 区域补充程序 |
| SUPR | Supper | 晚餐 |
| SUPT | Support | 支持，支援 |
| SUPV | Supervisor | 监督人，管理人 |
| SUR | Surface | 表面 |
| SUR | Surge | 喘振 |
| SUR | Soviet Union Rouble | 苏联卢布（货币单位） |
| SURF | Surface | 表面 |
| SURCHG | Surcharge | 附加费 |
| SUS | Silicon Unilateral Switch | 硅单向开关 |
| SUSPD | Suspend | 中止，暂停、悬挂 |
| SUSPN | Suspension | 中止，暂停、悬挂 |
| SV | Solenoid Valve | 电磁活门 |
| SVC | Service | 服务 |
| SVCBL | Serivceable | 可用的，工作的 |
| SVCE | Service | 服务 |
| SVE | Service | 服务 |
| SVFR | Special Visual Flight Rules | 特殊目视飞行规则 |
| SVRL | Several | 几个，一些 |
| SW | Switch | 开关，电门 |
| SW | South West | 西南 |
| SW | Stall Warning | 失速警告 |
| SW | Single Wheel Landing Gear | 单轮起落架 |
| S/W | Software | 软件 |
| SMAP | Severe Weather Avoidance Program | 恶劣天气避开程序 |
| SWB | South-Westbound | 飞往西南方向，西南向 |
| SWC | Stall Warning Card | 失速警告卡 |
| SWE(D) | Sweden | 瑞典 |
| SWFR | Swiss Franc | 瑞士法郎（货币单位） |
| SWITZ | Switzerland | 瑞士 |
| SWLG | Swelling | 增大，膨胀 |
| SWS | Switches | 开关，电门 |
| SWS | Soft Wet Surface | 软湿道面 |
| SWVL | Swivel | 旋转 |
| SWY | Stopway | 安全道 |
| SX | Simplex | 单工 |
| SY | Syria | 叙利亚 |
| SYDAC | 5000mhz ILS Installation | 5000兆赫仪表着陆系统装置 |
| SYM | Symbol | 符号 |
| SYMP | Sympathy | 同情 |
| SYNC | Synchronise | 同步 |
| SYNOP | Synoptic Chart | 天气图 |
| SYNTH | Synthesizer | 合成器 |
| SYR | Syria | 叙利亚 |
| SYS | System | 系统 |
| SYST | System | 系统 |
| SZ | Size | 尺寸 |
| SZ | Switzerland | 瑞士 |
| STBY | Standby | 备用的；等待 |
| SYS | System | 系统 |
