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Electronic signatures are acceptable;
2.36 Submitted documentation must be complete and, if an amendment, not
just the amended pages.
Last updated: 02 December 2025
Gretchen Haskins
Group Director, Safety Regulation
Civil Aviation Authority
An electronic version of this magazine is available at www.archantdialogue.co.uk/cluedup
To keep up to date on all airspace safety issues, follow@airspacesafety on Twitter.
Last updated: 15 May 2013
The latest version of this document is available in electronic format at www.caa.co.uk/publications,
where you may also register for e-mail notification of amendments.
Last updated: 29 May 2009
(cb) Where necessary to enhance conspicuity, extra lights should be installed
uniformly.
Last updated: 23 January 2026
The latest version of this document is available in electronic format at www.caa.co.uk, where you may also register for e-mail notification
of amendments.
Last updated: 15 December 2021
Where a surface is left unpainted it will normally be necessary to enhance the
conspicuity of essential heliport markings by, for example, overlaying markings on a black
background or by enhancing the conspicuity of the yellow TD/PM circle, the white cross
and the red “H” by outlining them with a thin black line (typically 5-10 cm wide).
Last updated: 13 February 2026
The examination may be electronic, or paper based, but must be closed book format (i.e. without
reference to external material).
Last updated: 07 December 2022
Full consultation commenced with wide circulation of the electronic Consultation Document to
all identified stakeholders on 29th September 2014 on completion of the design process and
environmental studies.
Last updated: 09 March 2021
This distance depends on a number of factors, including: 58
▪ The eyesight of the remote pilot; 59
▪ The size of the UA (and its visual conspicuity); 60
▪ Any navigation lighting on board the UA; 61
▪ The weather conditions (fog, sun-glare etc); 62
▪ Terrain and any other obstacles that may obscure the view of the UA from the remote pilot; 63
▪ Whether the operation is during the hours if daylight, or night.
Last updated: 06 July 2022
The latest version of this document and all applicable amendments are available in electronic format at
www.caa.co.uk/publications, where you may also register for e-mail notification of amendments.
Last updated: 01 November 2006
