Singapore legislation
Regulation 70
of Air Navigation (98 — Special Operations) Regulations 2018
Regulation 70
Route planning and limitations
Subregulation 1
A commercial air transport operator with a special operations approval to conduct commercial air transport operations at night or in instrument meteorological conditions (as the case may be) using a single‑engine turbine‑powered aeroplane, must, in the assessment of intended routes or areas of operations in route planning for such operations, take into account all information relevant to the assessment including —
the nature of the terrain to be flown, including the potential for carrying out a safe forced landing in the event of an engine failure or major malfunction;
weather information, including seasonal and other adverse meteorological influences that may affect the flight; and
such other criteria and limitations as specified by the Director‑General of Civil Aviation.
Subregulation 2
As part of route planning, a commercial air transport operator mentioned in paragraph (1) —
must identify the aerodromes or safe forced landing areas that are available for use in the event of engine failure;
must programme into the area navigation system the position of the aerodromes and safe forced landing areas identified under sub‑paragraph (a); and
must identify the limitations of the approved aeroplane in respect of over‑water operations.
Subregulation 3
Paragraphs (1) and (2)(a) and (b) do not apply where the single‑engine turbine‑operated aeroplane is to be operated over routes and in weather conditions that permit a safe forced landing to be executed in the event of an engine failure.