s 40 Flying without satisfying safety requirements
40.—(1) An owner or operator, or the pilot‑in‑command of a Singapore registered aircraft must not commence a flight in the aircraft, or permit a flight in the aircraft to commence, if —(a) there is no aviation safety instrument known as a certificate of airworthiness in force in respect of the aircraft; and (b) any aviation safety subsidiary legislation does not authorise the flight without a certificate of airworthiness. (2) An owner or operator, or the pilot-in-command of a Singapore registered aircraft, or the Singapore operator of a foreign registered aircraft must not commence a flight in the aircraft, or permit a flight in the aircraft to commence, if one or more of the following apply:(a) there is outstanding a requirement imposed by or under any applicable aviation safety subsidiary legislation in relation to the maintenance of the aircraft; (b) the aircraft will require maintenance before the flight can end; (c) there is a defect or damage that may endanger the safety of the aircraft or any person or property; (d) the aircraft is unsafe for flight. (3) Any person who contravenes subsection (1) or (2) shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $100,000 or to imprisonment for a term not exceeding 5 years or to both.[8D