English abbreviations from syx to szt
- SYX (Sanya Phoenix International Airport)
- SYY (Stornoway Airport)
- SYZ (Shiraz International Airport)
- SZ (Swaziland (ISO 3166 digram))
- SZA (Sinsanate Zanozani Akili)
- SZABIST (Shaheed Zulfikar Ali Bhutto Institute of Science & Technology)
- SZB (Sultan Abdul Aziz Shah Airport)
- SZD (Sheffield City Airport (closed in April 2008))
- SZE (Security Zone Entry)
- SZF (Carsamba Airport)
- SZG (Salzburg Airport)
- SZI (Zaysan Airport)
- SZK (Sigurna Zenska Kuca ( Women's Safe House))
- SZL (Whiteman Air Force Base)
- SZM (Security Zone Management)
- SZN (Santa Cruz Island Airport)
- SZO (Sigma Zeta Omega)
- SZP (Santa Paula Airport)
- SZQ (Sáenz Peña Airport)
- SZR (Stara Zagora Airport)
- SZS (Ryans Creek Aerodrome)
- SZT (San Cristóbal de las Casas National Airport)