SI Aviation Abbreviation

SI has various meanings in the Aviation category. Discover the full forms, definitions, and usage contexts of SI in Aviation.

Safety Investigators

Most Common Aviation

System International

The International System of Units is a scientific method of expressing the magnitudes or quantities of important natural phenomena. There are seven base units in the system, from which other units are derived. This system was formerly called the meter-kilogram-second (MKS) system.

Aviation

Selective Interrogator

Aviation

Citation

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SI C&DH - Si Command and Data Handling
SI CHUAN - Sichuan Airlines
SI CMOS IC - Silicon Complementary Metal-Oxide Semiconductor Integrated Circuit
SI jt - Sacroiliac Joint
si op. sit - if needed

Last updated: January 4, 2020