Educational Information Only
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Civil Aviation Act Section 21 — Safety duty of everyone under the Act
Act on Civil Aviation of Thailand (พระราชบัญญัติการเดินอากาศ) — Section 21.
Plain-English Summary
Aircraft registrants, air operators, air navigation service providers, aviation personnel, persons on board, holders of a public aerodrome operating certificate and anyone else subject to the Act must act for safety in accordance with the Director's regulations. Air operators, public aerodrome certificate holders and operators in licensed aerodromes are responsible for supervising compliance with the national civil aviation security plan and the national civil aviation safety plan. Section 21/1 requires the Authority to prepare the national civil aviation safety plan and to review it every year. Section 75 sets the penalty for breach.
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 (Air Navigation Act) B.E. 2497 (1954), as substantially amended, regulates Thai civil aviation: aircraft registration and nationality, airworthiness, personnel licensing, air operator certification, civil aviation business licensing, aerodromes and accident investigation. It is administered through the Civil Aviation Authority of Thailand, which is established by separate legislation; a 2015 Emergency Decree amending this Act restructured civil aviation administration following International Civil Aviation Organization recommendations and dissolved the former Department of Civil Aviation. The Act gives the Authority's Director most day-to-day licensing and safety powers, with a Civil Aviation Board overseeing the Authority and the economic regulation of airlines. Pilotless aircraft need ministerial permission (Section 24); the Act itself contains no separate drone code.
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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