OLS Surfaces
Obstacle Limitation Surfaces (OLS) are used for protecting aircraft from obstacles around airports and military bases. The surfaces are: Take Off Climb Surface (TOCS) Approach Surface Inner Horizontal Surface Transitional Surface Conical Surface Outer Horizontal Surface Further details regarding the individual surfaces can be found here. Principles OLS surfaces extend…
Safeguarding Heathrow’s Third Runway
Background A new full length runway is planned to the North West of Heathrow, between the existing northerly runway and the M4 Motorway. We have considered how this new runway will impact the development of tall buildings and structures in the area. This is because the height of buildings and…
New Terma Radar at Glasgow mitigates Banks Kype Muir Wind Farm
Introduction Glasgow Airport has recently commissioned a new radar system to mitigate the effects of the onshore Kype Muir wind farm near Strathaven in central Scotland. The system, supplied by Terma, is designed to distinguish between aircraft and wind turbine returns. This allows aircraft overflying the wind farm to be…
The issue of glint and glare from buildings
Background The two terms ‘glint’ and ‘glare’ refer to the unwanted reflection of the sun’s rays from the face of a reflective surface. Glint and glare is a common issue for solar panels which can have a negative effect on aircraft, trains, vehicles, air traffic controllers, animals and homes. This…
Australia’s bright renewable energy expansion
Background Australia introduced renewable energy targets in 2001. In 2009 the target for year 2020 was set to 20% equivalent to 41’000GWh but in 2015 it was reduced to 16% (33000GWh) . After four years of decline, growth rate in non-hydro renewable power capacity increased to 12% in 2016 and…
Air Corps bans wind farms from 29% of Ireland
Background On 26 January 2019 the Irish Times published an article regarding Air Corps plans to oppose wind farm developments on 29% of Ireland’s land. The Air Corps rationale being to oppose wind farm development where flying training takes place as well as in the vicinity of air routes between…
Renewable energy in the Arabian Peninsula
Background Historically the peninsula relied on hydrocarbons resources to push the development. Oil and gas contributed for both export and domestic usage. The exports are the main contributors of the peninsula’s GDP, while, when used as fuel, can provide inexpensive electricity for the domestic demand. However, several countries have recently…
Are Mobile Repeaters Legal?
Background It is known that phones’ signals inside buildings might be weakened by several factors. These factors can be: The location of the building, if the building is in rural area and the signal coverage is poor The building construction material, if the building has thick walls of concrete or…
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