20-Hour Periodic Inspection
Verified from official sources1-1(3)Version 1Effective -Verified 31 August 2026
In plain language
You must thoroughly inspect your drone every 20 flight hours. Check for loose screws, damaged parts, and make sure all systems like communications and propulsion are working properly.
Requirement as structured
JCAB states that operators must perform a comprehensive inspection of the aircraft every 20 flight hours, checking for parts needing replacement, secure equipment mounting, structural damage, and proper system operation.
Original regulatory text
(3)20時間の飛行毎に、以下の事項について無人航空機の点検を実施する。 ・交換の必要な部品はあるか ・各機器は確実に取り付けられているか(ネジの脱落やゆるみ等) ・機体(プロペラ、フレーム等)に損傷やゆがみはないか ・通信系統、推進系統、電源系統及び自動制御系統は正常に作動するか