Proof of Performance and Flight Characteristics

In plain language

The drone's performance and flight capabilities must be verified by flight tests, other testing, or highly accurate calculations that err on the side of safety.

Requirement as structured

The performance and flight characteristics of an unmanned aircraft must be proven through flight tests, other tests, or calculations based on such tests, where calculations must be as accurate as direct tests or demonstrably on the safer side.

Original regulatory text

無人航空機の性能及び飛行性は、飛行試験その他の試験又はこれらの試験に基づく計算によつて証明されたものであること。ただし、計算による結果は、直接の試験による結果と同程度に正確なものであるか又はそれよりも安全側にあることが確実なものでなければならない。