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RELIABILITY AND COST EFFECTIVENESS
OF DIFFERENT AIRCRAFT TYPES
From the moment an aircraft is built, it begins to age. Corrosion, wear and tear, poor maintenance and unexpected maintenance design has a significant affect on the safety and serviceability of an aircraft.
Reliability can be increased and costs can be reduced if the the aircraft is maintained appropriately in accordance with the manufacturers schedule. Correct maintenance at the appropriate times generally allows potential problems to be identified well before they become an unexpected defect.
Aircraft designers and manufacturers plan to make their aircraft as safe and reliable as they can, but sometimes, things do not always go as planned.
Aircraft owners and operators essentially become the testing ground for how reliable and efficient an aircraft will be. The maintainers will observe defects that are regularly occurring and at times, may have good ideas on how to stop or reduce the re-occurrence.
In many cases, the maintainer cannot just “make a change” to an aircraft’s design without approval from the manufacturer or an approved design engineer. Aviation regulators and administrators such as CASA and RAAus provide a system for anyone to report the defects and potential problems.
IF YOU DO NOT PERFORM SCHEDULED MAINTENANCE WHEN IT IS DUE
YOUR AIRCRAFT MAY SCHEDULE IT FOR YOU.
(Probably at the most inconvenient time)
THE IMPORTANCE OF REPORTING DEFECTS.
Addressing problems before there is an accident or at worse a fatality is the ultimate goal.
The purpose of reporting defects is to:
− permit the assessment of reports to detect trends in the Australian aircraft fleet and aeronautical products,
− permit timely airworthiness and safety oversight of the Australian aircraft fleet,
− provide feedback to industry to promote aircraft and product improvement, and to,
− assist in long term improvement in design, manufacturing and maintenance standards.
Defect reports are a means of identifying trends in design and maintenance reliability for the benefit of aviation safety. Reports are collected by CASA and RAAus and maintained in their specific databases. It is of benefit to both CASA, RAAus and the aviation industry that the database contains accurate and relevant information.
From this database, information may be:
− obtained to provide reliability statistics and trend monitoring of aircraft, engines, propellers, systems and components,
− used as a basis for development or review of an Airworthiness Directive (AD) or Airworthiness Notices (AN) for RAAus,
− used for the development of other advisory publications, such as Airworthiness Bulletins,
− used for other appropriate regulatory purposes.
Both CASA and RAAus encourages operators and maintainers to submit safety related defect reports and they should contact the affected parties if more information is required.
More information regarding the CASA Defect Reporting System (DRS) can be found in AC20-06 and for RAAus, information can be found on their website HERE.
In our opinion, whilst the RAAus OMS allows the organisation to meet its requirements under the Transport Safety Investigation Act 2003, the system does not appear to allow for effective recording or the useful extraction of data to analyse potential problems.
Flight Safety Solutions has developed a system for more efficient evaluation of the data.
For example, at the time of writing this page, if you were to “Filter” the RAAus OMS by the keyword “FOXBAT” you would retrieve 16 results. Using the Flight Safety Solutions platform, you will retrieve 160 results.
RAAus OMS REPORTS
FOR THE FOLLOWING AIRCRAFT
Information provided in these living documents are subject to continual RAAus OMS submissions and administrative updates.
NOTE: Due to the structure of the RAAus Database, selecting a particular occurrence from our report will not deliver the individual submission. The link will take you to the current page in the OMS database where you can scroll to find the relevant OCC#.
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