Singapore legislation
Regulation 67
of Air Navigation (91 — General Operating Rules) Regulations 2018
Regulation 67
General requirements for instrument and equipment on aircraft
Subregulation 1
The operator of a foreign registered aircraft in Singapore must not operate the aircraft unless the aircraft is equipped in accordance with the laws of its State of Registry.
Subregulation 2
Except for a prescribed instrument or item of equipment that is listed in the Fourth Schedule, the operator of a Singapore registered aircraft must ensure that the prescribed instrument or item of equipment (and the manner of its installation), is approved or accepted by the Director‑General of Civil Aviation in accordance with the Air Navigation Order.