Showing 1 - 30 of 444 results
- Acceptance of Foreign Supplemental Type Certificates (STCs)
CASR 21.114 Foreign STCs states: A certificate (however described) for an aircraft, aircraft engine or propeller that is issued by or for the NAA of a recognised country and is equivalent to a STC that could have been issued by CASA (a foreign STC)…
- Administration and Control of Aircraft Welding and Non-Destructive Testing
The subject of administration and control of aircraft welding and non-destructive testing (NDT) activities are aspects of maintenance that are not clearly understood by many people.
- Aerostar (Piper/Ted Smith) 600 and 700 Series Aeroplanes - Inspections
The purpose of this Bulletin is to recommend that Registered Operators and maintainers of Aerostar aircraft consider the need to continue performing some maintenance operations previously mandated by AD.
- Agricultural Aircraft Fatigue Lives
To highlight to agricultural aircraft operators the importance of ensuring the fatigue lives of any lifed aeronautical product or the aircraft is correctly calculated and recorded.
- Aileron Control Column Chains
To clarify the items that form the aileron control cable system and the associated Instructions for Continuing Airworthiness (ICA)
- Air Turbine Starters
Failure of Ground Power Unit (GPU) and APU thermocouples can cause failures of Air Turbine Starter drive shafts.
- Airbus Eurocopter AS 350 and AS 355 Teflon / Stainless Steel Hydraulic Flight Control Hose Failures
Alert operators, pilots and maintenance personnel regarding failures in new Teflon/stainless steel braided hydraulic hoses introduced by MOD 074239.
- Aircraft Alternators and Generators
The purpose of this bulletin is to highlight to aircraft owners and maintainers, common issues encountered with alternators and starter/generators.
- Aircraft Circuit Breaker Maintenance & Operation
This AWB highlights known issues associated with Circuit Breakers (CB). There are recommendations for maintenance, installation and operation of CBs.
- Aircraft Control Cable Systems
To alert maintenance personnel and operators to be vigilant whenever installing or adjusting any aircraft control system using the classic two cables in tension, closed–loop cable design, including primary flight control systems.
- Aircraft Fabric Coverings
This purpose of this AWB is to outline and define the airworthiness requirements for fabric coverings used as alternate approved materials and processes.
- Aircraft Fuel
This AWB provides a summary of regulations related to aviation fuel and provides answers to many frequently asked questions (FAQ)
- Aircraft Gyro Instrument Vacuum / Pressure Systems - Functional Testing
To provide basic guidance on the maintenance and system functional checks of the vacuum system manifold valve which is found installed in twin engine aircraft with two engine-driven vacuum pumps and in single engine aircraft equipped with one engine…
- Aircraft Lead Acid Main Battery Failures
CASA continues to receive reports describing serious safety issues including battery terminal separation, fire and explosion originating from the main battery and battery compartment or battery “box”.
- Aircraft Parts And Development (CALL AIR) A-9 Series - Main Undercarriage Failures
Advise operators and maintainers of main undercarriage strut failures and provide a recommendation to prevent re-occurrences.
- Aircraft Piston Engine Calendar Time Overhaul
This AWB provides guidelines for procedures to be followed to ensure continued airworthiness of the engines that have exceeded the calendar time overhaul limits specified by the manufacturer. These guidelines are in addition to the recommendations by…
- Aircraft Radio Station Licence
Inform aircraft operators on requirements for licencing for radio communication and navigation equipment
- Aircraft Seat Belts
Alert all operators and maintainers of aircraft with passenger seats equipped with “D-ring” type seat belt anchor fittings that passenger seat belts with hook ends and spring-loaded keepers have the potential to inadvertently release from the…
- Aircraft Seats
The objective of this bulletin is to highlight to the maintainers, flight crew and operators the importance of meticulous inspection and maintenance of seats and seat adjustment mechanisms to prevent inadvertent operation of the seat, particularly…
- Aircraft Security Devices - Installation
For aircraft owners, operators, design persons and maintainers intending to incorporate enhanced security features in aircraft.
- Aircraft Servicing and Ground Handling Tasks
The purpose of this AWB is to provide information on the servicing tasks that may be carried out by, but not limited to, the pilot in command
- Aircraft Tubular Structures - Inspection
To provide information to aircraft engineers and operators regarding detecting internal corrosion and fatigue cracking failures in typical aircraft tubular structures during periodic inspections.
- Aircraft Washing
This Airworthiness Bulletin sets out to provide general guidance and warnings on the subject of aircraft washing and cleaning and also serves as a reminder that any work carried out on an aircraft, including washing and cleaning, is required to be in…
- Airworthiness Bulletins
An Airworthiness Bulletin (AWB) is issued to inform the aviation public, in a systematic way, of essential information not considered mandatory. The information contained in an AWB is for information only, and issued by CASA to disseminate…
- Alemite Corporation Grease Fitting P/N 1992B1
The purpose of this Bulletin is to advise all aircraft owners, operators, maintenance organisations, manufacturers and parts distributors regarding the production and sale of non-conforming grease fittings.
- Alert - R22 Main Rotor Blade Cracking
The purpose of the AWB is to inform operators of a significant Main Rotor blade cracking event recently reported on an R22 Beta II helicopter fitted with A016-6 main rotor blades. This AWB is also published to gather more information on the extent of…
- Alternate Cleaning Product for Aircraft Oxygen Systems
To provide information to the Australian Aviation Industry on a product that may be suitable for a wide range of maintenance tasks including cleaning Aircraft Oxygen Systems.
- Applicability of Bell 206 Airworthiness Directives to Bell 206 model derivatives in the Restricted Category
This AWB alerts owners and operators of Restricted Category aircraft which are derivative models of the Bell 206 to the need to assess whether Bell 206 Airworthiness Directives are applicable to their aircraft
- Approved Data - Agusta Bell 47G-2A1 and 47G3B1
Advise operators of the correct source of approved maintenance data and flight manuals for these helicopters.