An area of airspace that can be used by general aviation aircraft as a corridor between Glasgow and Edinburgh airports in Scotland is being reclassified from 16 September as a Class D "known traffic area" following a recent near-collision (airprox) incident involving a glider and an airliner, according to the UK Civil Aviation Authority.
The area of the Glasgow control area (CTA) affected by the reclassification sits between the Glasgow and Edinburgh control zones which were already Class D. Reclassification from E to D effectively means that aircraft operating under visual flight rules which could formerly pass through the airspace without being identified by air traffic control must now be identified and cleared before entry.
As a concession to VFR traffic needing to pass through the area without using either of the airports as a destination, the base of the CTA will be raised from 2,500ft (762m) to 3,000ft above sea level, but the top will remain at 6,000ft.
The CAA says that the airprox incident that sparked this accelerated change of airspace classification is still under investigation so it is not free to divulge details of the aircraft involved.
The change is mandatory, but has temporary status subject to consultation, following which it may be made permanent.