Regulation 24

Before a Singapore operator with a special operations approval to conduct a low visibility operation commences the operation at a runway, the Singapore operator must verify that low visibility procedures have been established at the runway and are in use.

Before a Singapore operator with a special operations approval to conduct a Category III operation commences the operations at a runway, the Singapore operator must verify that an aircraft, of the aircraft type intended to be used for Category III operations, has successfully completed at least one approach and landing at the runway in conditions that are Category II or better.

Before a Singapore operator with a special operations approval to conduct a low visibility operation commences the operation at a runway with irregular pre‑threshold terrain, or with other perceived or known deficiencies for low visibility operations, the Singapore operator must verify that the runway is suitable for such use by using an aircraft, of the aircraft type intended to be used for such operations to complete, in the following order, at least one landing at the runway: