Why did the ATSB do this research
A number of unforecast weather episodes relating to flights into major Australian airports have led to unforeseen diversions, holding, and in some cases, landing below published safe limits. For example, on 18 June 2013, two flights encountered unforecast weather en route to Adelaide, South Australia, leading to a diversion to Mildura Airport, Victoria. Upon arrival, both encountered weather unsuitable for landing.
Aerodrome weather forecasts allow pilots and operators to develop a contingency plan during flight planning and en route (such as carrying…