4. Interface with Air Navigation (91 — General Operating Rules) Regulations 2018

These Regulations are related to, but do not affect, the operating requirements in the Air Navigation (91 — General Operating Rules) Regulations 2018 for aircraft engaged in commercial air transport operations or aerial work operations to the extent that those Regulations apply to any of the following:

any flight involving a foreign registered aircraft in Singapore that is operated by a person other than a Singapore operator;

a foreign operator who is operating a foreign registered aircraft in Singapore;

the pilot‑in‑command of a foreign registered aircraft in Singapore that is operated by a person other than a Singapore operator.