The airport has invested in new hangars and enhanced its instrument landing system.

BBC: Cambridge Airport sets out plans for future

Fog and the lack of an instrument landing system at Guernsey Airport has caused disruption to flights, the airport director has said.

BBC: Fog 'causes disruption' at Guernsey Airport

The alert, initially issued by Southwest Airlines and reissued Wednesday by the airline's pilot association, warned there was a "potentially significant hazard" concerning the instrument landing system's glide slope guidance signal for runway 23.

CNN: Navigation alert went out to pilots weeks before Buffalo crash