Singapore legislation
Regulation 33
of Civil Aviation Authority of Singapore (Changi Airport) By-laws 2009
Regulation 33
Clearance from jet engines
Every person, other than a member of the maintenance staff working on an aircraft, shall keep clear of the aircraft’s engines and shall not pass —
(a)
within a radius of 7.5 metres from the air intake of the aircraft; or
(b)
within a radius of 76 metres from the rear of a running jet engine of the aircraft.