1 An aircraft intending to operate under VFR within the Singapore FIR must be capable of maintaining a flight visibility of at least 8km and of maintaining at least 1.5km horizontally and 1,000ft vertically clear of cloud in the following areas:

2 An aircraft flying at speeds of 140kt or less may operate under VFR at or below 3,000ft outside controlled airspace with a flight visibility of at least 1.5km. An aircraft flying at speeds above 140kt may operate under VFR with a flight visibility of at least 5km. In both cases, the aircraft must remain clear of cloud and in sight of ground or water.

3 Helicopters may operate with a flight visibility below 1.5km if manoeuvred at a speed that will give adequate opportunity to observe other traffic or any obstructions in time to avoid collision.

4 Navigation shall be accomplished by visual reference to landmarks at least every 110km (60NM).