Which of the following is one of the eligibility requirements in 14 CFR § 107.61 for a remote pilot certificate with a small UAS rating?

Why: 14 CFR § 107.61(a) requires an applicant to be at least 16 years of age. The section's other requirements are the ability to read, speak, write, and understand English; no known disqualifying physical or mental condition; and demonstrated aeronautical knowledge under § 107.61(d).

• This imports the manned-aviation part 67 medical certificate requirement; § 107.61(c) instead requires only that the applicant not know of a disqualifying condition — a self-assessment, with no FAA medical certificate required.
• This invents a flight-hour requirement; part 107 has no logged flight-experience minimum. Eligibility rests on age, language ability, medical self-assessment, and passing the knowledge test or completing training under § 107.61(d).