The International Civil Aviation Organisation (ICAO) hosted a symposium on December 8-10, 2021, as a consultation with regard to their proposed new Obstacle Limitation Surfaces (OLS), which can be found [...]

Mobile phone signals can interfere with aircraft navigational and landing guidance systems. In 2012, flight attendants asked passenger to completely switch off phones before departure; however, in 2013, the Federal [...]

The UK Department for Transport (DfT) has released an update to the 2010 Public Safety Zone (PSZ) circular [1] (now referred to as a ‘policy’). The update [2] has simplified [...]

Background Declared distances are specific lengths of runway that are published for aircraft operations, specifically when taking off or landing, and are defined for pilots to understand their allowable take-off [...]

Background Buildings and structures can present a collision risk to aircraft using particular airports. Airports and airfields are often consulted regarding developments in their vicinity. Aerodrome Safeguarding Assessments can be [...]

When using digital elevation models data we often come up against terms like DEM, DTM, and DSM. Often they can be confusing and also misinterpreted to mean the same thing. [...]

Developments worldwide can receive objections from numerous sources, including Air Navigation Service Providers (ANSPs). Often such objections are related to radar interference, however issues can also be raised due to [...]

By S.C.Watson (Mike’s brother) Ever since mankind dragged their collective backsides out of the primordial soup and gazed up at the sky, the dream of someday flying through the air [...]

Background Pager Power has started analysing a database of the world’s airports with a database of the world’s wind farms to help understand how wind farms and radar co-exist in [...]

Developing near airports It is very common for building developments to be proposed in the vicinity of airports. This is not least because large cities always need more space for [...]