# The Air Navigation (Overseas Territories) Order 2001, Paragraph 46: Lights and pyrotechnic signals for control of aerodrome traffic


Each signal described in the first column of Table A, when directed from an aerodrome to an aircraft or to a vehicle, or from an aircraft, shall have the meanings respectively appearing in the second, third and fourth columns of that Table opposite the description of the signal.
Table A—Meaning of Lights and Pyrotechnic Signals
From an aerodrome
Characteristic and colour of light beam or pyrotechnic
to an aircraft in flight
to an aircraft or vehicle on the aerodrome
From an aircraft in flight to an aerodrome
(a) Continuous red light.
Give way to other aircraft and continue circling.
Stop.
—
(b) Red pyrotechnic light, or red flare.
Do not land; wait for permission.
—
Immediate assistance is requested.
(c) Red flashes.
Do not land; aerodrome not available for landing.
Move clear of landing area.
—
(d) Green flashes.
Return to aerodrome; wait for permission to land.
To an aircraft: you may move on the manoeuvring area and apron.To a vehicle: you may move on the manoeuvring area.
—
(e) Continuous green light.
You may land.
You make take off (not applicable to a vehicle).
—
(f) Continuous green light, or green flashes, or green pyrotechnic light.
—
—
By night: may I land?By day: may I land in direction different from that indicated by landing T?
(g) White flashes.
Land at this aerodrome after receiving continuous green light, and then, after receiving green flashes, proceed to the apron.
Return to starting point on the aerodrome.
I am compelled to land.
(h) White pyrotechnic lights.
Switching on and off the navigation lights.Switching on and off the landing lights.
—
—
I am compelled to land.

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Source: https://www.legislation.gov.uk/uksi/2001/2128/schedule/13/paragraph/46 (the official version)
Page: https://openlegislation.uk/air-navigation-overseas-territories-order-2001/schedule-13/paragraph-46
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.