COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Cessna 188 (Agwagon) Series Aeroplanes
AD/CESSNA 188/39
Amdt 1
Bladder Type Fuel Cells 6/85
Applicability: All models with S/Nos as listed in Cessna SIL SE 84-4.
Requirement: Inspect fuel cells in accordance with Cessna SIL SE 84-4 and record the result in the aircraft log book. Where cells exhibit wrinkles or folds, purge fuel system of moisture or other contaminants.
Note: Additional information on fuel system purging is contained in Cessna Owner Advisory SE 82-36A.
Compliance: 1. AIRCRAFT NOT MODIFIED IN ACCORDANCE WITH CESSNA SIL SE 84-9,
Rev 1.
Initially, before further flight after 31 August 1984 for cells currently fitted, and at installation of any cell after 31 August 1984. Thereafter, for cells that exhibited signs of unacceptable wrinkles or folds at initial inspection, repeat the system purging procedures at each issue of a new Maintenance Release.
2. AIRCRAFT MODIFIED IN ACCORDANCE WITH CESSNA SIL SE 84-9, Rev 1.
When future cell replacement is required, carry out further instructions required by Attachment No. 1 of Cessna SIL SE 84-9 Rev 1.
3. For aircraft that have complied with the previous issue of this Directive, the log book statement requirement shall be made before the issue of the next Maintenance Release after 30 June 1985.
Background: This Directive promulgates the latest revision to Cessna SIL SE 84-9 containing “Helpful Hints” useful to maintenance personnel. The fuel cap testing requirement has been removed and now becomes the subject of a separate Directive. Editorial changes and a requirement for log book statements are also included.
Overview
The Civil Aviation Regulations 1998, enacted by the Australian Parliament, serve as the primary legislative framework for regulating civil aviation safety within Australia. Within this framework, Part 39 - 105, which pertains to the Civil Aviation Safety Authority's schedule of airworthiness directives, specifically addresses the issue of maintaining the safety standards of aircraft such as the Cessna 188 (Agwagon) Series Aeroplanes. This legislative instrument was introduced to fill the gap in ensuring that specific maintenance procedures, particularly related to bladder type fuel cells, are adhered to, thereby preventing potential safety hazards. The policy objective is to maintain the highest safety standards through mandated inspections and maintenance actions, as outlined in the Cessna SIL SE 84-4 and subsequent revisions.
Scope and Application
The Civil Aviation Regulations 1998, specifically Part 39 - 105, pertains to Airworthiness Directives (AD) which are legally enforceable orders issued by the Civil Aviation Safety Authority (CASA) to address an existing safety issue with an aircraft, component, or equipment. This particular AD/CESSNA 188/39 Amendment 1B is targeted at all models of Cessna 188 (Agwagon) Series Aeroplanes with serial numbers listed in Cessna SIL SE 84-4. The directive mandates that fuel cells of these aircraft must be inspected in accordance with the procedures detailed in Cessna SIL SE 84-4, with the results recorded in the aircraft's log book. If any wrinkles or folds are observed in the fuel cells, the fuel system must be purged to remove any moisture or contaminants. The AD applies to aircraft that have not been modified in accordance with Cessna SIL SE 84-9, Rev 1, requiring inspections before further flight after 31 August 1984, and at the time of cell installation or replacement after that date. For aircraft modified as per Cessna SIL SE 84-9, Rev 1, additional instructions for cell replacement as outlined in Attachment No. 1 of Cessna SIL SE 84-9, Rev 1, must be followed. The AD also specifies a compliance requirement for log book statements to be made before the issue of the next Maintenance Release after 30 June 1985 for aircraft that have already complied with a previous version of the directive.
Key Provisions
The Civil Aviation Regulations 1998, specifically Part 39 - 105, outlines the Civil Aviation Safety Authority's (CASA) Schedule of Airworthiness Directives for the Cessna 188 (Agwagon) series aeroplanes, including detailed requirements for bladder type fuel cells. Section AD/CESSNA 188/39 Amendment 1B mandates that all Cessna 188 models with specified serial numbers must undergo an inspection of their fuel cells in accordance with Cessna SIL SE 84-4. This inspection must be documented in the aircraft log book. If the fuel cells exhibit wrinkles or folds, the fuel system must be purged to remove any moisture or contaminants. Further details on the purging procedure can be found in Cessna Owner Advisory SE 82-36A.
Operators and maintenance personnel are required to adhere to the specific compliance schedules outlined in the directive. For aircraft not modified according to Cessna SIL SE 84-9, Revision 1, inspections must be conducted before further flight after 31 August 1984 for cells already installed, and at the time of installing any new cell after this date. For cells that show unacceptable wrinkles or folds during the initial inspection, the fuel system must be purged again at each new Maintenance Release. Aircraft that have been modified in accordance with Cessna SIL SE 84-9, Revision 1, must follow the additional instructions provided in Attachment No. 1 of this document when replacing cells in the future. For aircraft that have already complied with the previous version of this directive, a log book statement must be made before the next Maintenance Release issued after 30 June 1985.
Failure to comply with these directives can lead to serious safety issues, including potential fuel contamination, which could compromise the aircraft’s airworthiness and safety. The regulations do not explicitly state penalties for non-compliance in the text provided, but non-compliance with CASA directives generally could result in enforcement actions, including fines or legal action under other relevant aviation legislation. The severity of penalties would depend on the extent of the non-compliance and the impact on aviation safety.