Educational Information Only
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Civil Aviation Act Section 21 — Aircraft registration
Act on Civil Aviation of Thailand (พระราชบัญญัติการเดินอากาศ) — Section 21.
Plain-English Summary
Thai-registered aircraft (HS- prefix) require Thai-national or Thai-majority ownership.
Official Text
Official Thai text at the Royal Gazette / Office of the Council of State. Translation summary only.
Consult official sourceParent Statute
Act on Civil Aviation of Thailand
พระราชบัญญัติการเดินอากาศ · B.E. 2497 (1954)
The Act on Civil Aviation of Thailand B.E. 2497 (1954), as substantially amended, regulates Thai civil aviation. The Civil Aviation Authority of Thailand (CAAT) was elevated to a full regulator by Royal Decree in 2015 following ICAO Significant Safety Concerns. The Act covers pilot licensing, aircraft registration, airworthiness, air operator certification, drone regulation, and airport licensing.
The summary above is a plain-English educational paraphrase of Section 21 of the Act on Civil Aviation of Thailand. It is not an authoritative translation. For the binding Thai text, consult the Royal Gazette or the Office of the Council of State. Educational use only — not a substitute for advice from a Thai-qualified lawyer.
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