Safety in the vicinity of non-towered aerodromes - Australian ...

Some types of occurrences in uncontrolled airspace were excluded from this study,
even if they were related to airspace use. Major areas outside the scope of this report
were:
• mechanical issues with aircraft while in the vicinity of a non-towered aerodrome,
unless they led to an airprox, loss of separation assurance, or another type of
airspace-related occurrence
• violations of controlled airspace, and occurrences on the boundaries of Class D
(known as General Aviation Aerodrome Procedures (GAAP) during the period of
study) areas, or at the reporting points of GAAP/Class D aerodromes (such as 2RN
at Bankstown)
• breakdowns of co-ordination between ATC services when handing over
responsibility for aircraft conducting IFR operations between Flight Information
Regions (FIRs)
• CENSAR search and rescue related issues (such as maintenance of, or failure to
cancel SARTIME)
• ATC service errors (such as a failure to pass traffic information) where no aircraft
were affected by the error, or it was unlikely that there was any potential for a
conflict between two aircraft due to the error
• approaches to towered aerodromes where an aircraft descended beneath the
approach path into uncontrolled Class G airspace
• conflicts with kites and model radio-controlled aircraft (this is discussed further in
Chapter 9 in an analysis of voluntarily reporting to the ATSB through the
REPCON and CAIR schemes).
- 11 -