According to Air Navigation Order of Singapore, ELEVENTH
SCHEDULE, Part 2
Low Flying.
5.(1) Subject to paragraphs (2) and (3)
(a) an aircraft, other than a helicopter, shall not fly over any
congested area of a city, town or settlement below
(i) such height as would enable the aircraft to alight clear of the
area and without danger to persons or property on the surface, in
the event of failure of a power unit; or
(ii) a height of 1,500 feet above the highest fixed object within
2,000 feet of the aircraft, whichever is the higher;
(b) a helicopter shall not fly below such height as would enable it
to alight without danger to persons or property on the surface, in
the event of failure of a power unit;
(c) except with the permission in writing of the Minister and in
accordance with any conditions therein specified a helicopter shall
not fly
(i) over a congested area of a city, town or settlement, below a
height of 1,500 feet above the highest fixed object within 2,000
feet of the helicopter; or
(ii) over any area notified for the purpose of this sub-paragraph,
below such height as would enable it to alight clear of the area in
the event of failure of a power unit;
(d) an aircraft shall not fly
(i) over, or within 3,000 feet of any assembly in the open air of
more than 1,000 persons assembled for the purpose of witnessing or
participating in any organised event, except with the permission in
writing of the Minister and in accordance with any conditions
therein specified and with the consent in writing of the organisers
of the event; or
(ii) below such height as would enable it to alight clear of the
assembly in the event of failure of a power unit:
Provided that where a person is charged with an offence under the
Order by reason of a contravention of this sub-paragraph, it shall
be a good defence to prove that the flight of the aircraft over or
within 3,000 feet of the assembly was made at a reasonable height
and for a reason not connected with the assembly or with the event
which was the occasion for the assembly;
(e) an aircraft shall not fly closer than 500 feet to any person,
vessel, vehicle or structure;
(2)
(a) sub-paragraph (1) (d) and (e) shall not apply to an aircraft
which is being used for police purposes.
(b) sub-paragraph (1) (d) and (e) shall not apply to the flight of
an aircraft over or within 3,000 feet of an assembly of persons
gathered for the purpose of witnessing an event which consists
wholly or principally of an aircraft race or contest or an
exhibition of flying, if the aircraft is taking part in such a
race, contest or exhibition or is engaged in a flight arranged by,
or made with the consent in writing of, the organisers of the
event, and the races, contest, exhibition or flight are approved by
the Minister.
(c) sub-paragraph (1) (e) shall not apply to
(i) any aircraft while it is landing or taking off in accordance
with normal aviation practice; and
(ii) any glider while it is hill-soaring.
(d) The alternatives in sub-paragraphs (1) (a) (ii) and (1) (c) (i)
shall not apply to an aircraft flying
(i) on a route notified for the purposes of this rule; or
(ii) on a special VFR flight as defined in rule 23 in accordance
with instructions given for the purposes of that rule by the
appropriate air traffic control unit.
(3) Nothing in this rule shall prohibit any aircraft from
(a) taking off, landing or practising approaches to landing;
or
(b) flying for the purpose of checking navigational aids or
procedures in accordance with normal aviation practice at a
Government or certified aerodrome in Singapore or at any aerodrome
in any Contracting State; or
(c) flying in such a manner as may be necessary for the purpose of
saving life:
Provided that in the case of practising approaches to landing as
aforesaid such practising is confined to the airspace customarily
used by aircraft when landing or taking off in accordance with
normal aviation practice at the aerodrome concerned.
(4) Nothing in this rule shall apply to any captive balloon or
kite.
