RDH
Reference Datum Height
参考基准高度
REIL
Runway-End Identification Lights
跑道尽头识别灯
RFC
Royal Flying Corps
皇家飞行队
RIA
Rich International Airways (Miami, Florida)
富国航空（佛罗里达州迈阿密）
RLLS
runway lead-in lighting system
跑道引入照明系统
RLV
Reusable Launch Vehicle
可重复使用运载火箭
RM
Radiation & Meteorite Test
辐射和陨石测试
RMA
Remote Manipulator Arm (US space shuttle robotic arm)
遥控机械臂（美国航天飞机机械臂）
RME
Relay Mirror Experiment
中继镜实验
RNAV
Area navigation
区域导航
RNC
A Raster Navigation Chart
栅格导航图
RNP
Required Navigation Performance
所需的导航性能
ROSA
Romanian Space Agency
罗马尼亚航天局
Roscosmos
Russian Federal Space Agency
俄罗斯联邦航天局
RpK
Rocketplane Kistler (Oklahoma City, OK aerospace company)
RocketplaneKistler（俄克拉何马城…
RSS
Remote Sensing Satellite
遥感卫星
RSSCD
Runway Surface Condition
跑道表面状况
RTCA
Radio Technical Commission for Aeronautics
航空无线电技术委员会
RTW
Reserve Training Wing
后备训练联队
RVR
Runway Visual Range
跑道视距
RVSM
Reduced Vertical Separation Minima
减小的垂直分离最小值
RVSM
Reduced Vertical Separation Minimum
缩小垂直间隔
RVV
Runway Visibility Value
跑道可见度值
S
Antisubmarine (US military aircraft designation; as in S-2 Tracker)
Antisubmarine(USmilitarya…