GCA

1. Ground control (or controlled) approach system, or ground control apparatus (aeronautics)
2. Guatemala, Central America (IVR)

• oe
• OE
• Oe
• OECD
• oecist
• oecists
• oecologic
• oecology
• oecumenic
• oecumenical
• oecumenicalism
• OED
• oedema
• oedemas
• oedemata
• oedematose
• oedematous
• Oedipal
• Oedipean
• Oedipus
• Oedipus complex
• OEIC
• Oeic
• oeillades
• OEM