Singapore legislation
Regulation 59
of Air Navigation (91 — General Operating Rules) Regulations 2018
Regulation 59
Requirements for take-off — helicopters
Subregulation 1
Despite regulations 56 and 57, where a relevant aircraft is a helicopter, the pilot‑in‑command may commence a take‑off —
when the reported meteorological visibility at the departure heliport is below that required to take‑off and the runway visual range is not reported; or
when there is no reported meteorological visibility or runway visual range available for the departure heliport,if the pilot-in-command can determine that the runway visual range and visibility along the take‑off final approach and take‑off area and runway are equal to or better than the required minima.
Subregulation 2
Where a relevant aircraft is a helicopter that is operating under Performance Class 2, the pilot-in-command must remain clear of cloud during the take‑off manoeuvre until the helicopter reaches Performance Class 1 capabilities.