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Changes to Public Safety Zones – London City Airport

Changes to Public Safety Zones – London City Airport
October 11, 2019 Mike Watson

Background

London City Airport has recently published a draft Masterplan which sets out its vision for the airport’s growth through to 2035. The planned increase in air traffic could mean that the Public Safety Zones (PSZ) at either end of its runway will be enlarged. This could mean increasing restrictions on developments near the runway ends.

public safety zones

Figure 1 Aerial Photograph showing City Airport London

Existing Public Safety Zones

The Airport’s existing Public Safety Zones were published by the Department for Transport in 2010. These are very narrow triangles which extend outwards from the runway ends. Whilst certain forms of development are permitted within the PSZs, new development is restricted so that the number of people living and working within them is reduced over time where possible.

New Public Safety Zones

Whilst there are no firm plans to change the existing PSZ boundaries, new boundaries have been calculated based on the Airport’s future traffic scenarios. It is possible that the actual PSZ boundaries could consequently change in the future.

Factors Affecting PSZ Size

There are two competing factors that affect PSZ size. The first is the safety of aircraft – as aircraft become safer, the size of a PSZ reduces as the risk of incidents decreases. The second is the volume of aircraft – increased traffic levels mean an increase in PSZ size.

Generally speaking, the general increase in aircraft safety tends to counteract the growth in air traffic – meaning that the size of the PSZ will not change that much.

New Boundary Sizes

The new boundary sizes are dependent on whether the Jet Centre for private business jets is retained. Commercial passenger jets present a smaller risk of incident than private business jets. This means that the PSZ boundary size with the Jet Centre is larger than the boundary size if the Jet Centre is removed.

The net result is that the calculated 2035 boundary will be slightly larger than the current boundary if the Jet Centre is removed and larger again if the Jet Centre is retained.

Advice to Developers

Developers of residential and commercial projects close to the existing PSZ boundary should determine whether their developments are likely to be affected by a future enlarged PSZ. For more information about Pager Power’s assessments for development projects in the vicinity of airports contact Mike Watson.

Figure 2 PSZ Contours to West

Image Accreditation

Map image Copyright © CNES (2019) Distribution Airbus. © 2019 HERE

London City Airport, Draft Masterplan, 2020-2035 

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