Overview

The Civil Aviation Regulations 1998, amended through the legislative instrument F2006B10575, aim to address safety concerns specifically related to the Schweizer (Hughes) 269 Series Helicopters. This legislative instrument, introduced by the Civil Aviation Safety Authority (CASA), targets a critical safety issue concerning the lower coupling drive shaft of certain helicopter models. The primary objective is to ensure the airworthiness of these helicopters by mandating regular inspections and necessary replacements of the lower coupling drive shaft. By enforcing these stringent measures, the regulations seek to prevent potential failures that could compromise flight safety, thereby protecting the lives of passengers and crew. Compliance with these directives is mandatory, with specific timeframes set for inspections and replacements to ensure that the helicopters remain in a safe operational condition.

Scope and Application

The Civil Aviation Regulations 1998, specifically within Part 39 - 105 and the Schedule of Airworthiness Directives, governs the maintenance and safety of Schweizer (Hughes) 269 Series Helicopters, targeting particular models and serial numbers. This regulation applies to the Schweizer 269A helicopters with serial numbers ranging from 0011 to 0314, the 269A-1 helicopters with serial numbers from 0001 to 0007, and the 269B helicopters with serial numbers from 0001 to 0079. Compliance with this directive is mandatory for these specific models to ensure operational safety. The regulations require a detailed inspection and, if necessary, the replacement of the lower coupling drive shaft to prevent any potential cracking that could compromise the helicopter’s integrity. This directive applies across the Commonwealth of Australia, ensuring a uniform standard of safety and maintenance for these aircraft. The regulations also refer to related directives such as Hughes SIN 2A-3, 2A-1-01, 2B-01 and FAA AD 64-6-4 for additional guidance.

Key Provisions

The key operative sections of this piece of Australian legislation (Civil Aviation Regulations 1998, Part 39 - 105) detail the requirements for the inspection and replacement of the lower coupling drive shaft for specific Schweizer (Hughes) 269 Series Helicopters. According to section (1), the lower coupling drive shaft (P/N 269A5504) must be removed and inspected using dye penetrant or magnetic particle methods, with particular attention given to the radii at the end splines, alignment collar and boot mounting collar. Any evidence of cracking in the shaft must be addressed by replacement prior to further flight. Section (2) mandates the replacement of the lower drive shaft coupling P/N 269A5504 with the updated shaft P/N 269A5504-3. Section (4/64) refers to related Hughes and FAA directives for additional guidance. The Civil Aviation Regulations impose specific obligations on the parties involved. Operators of the affected Schweizer (Hughes) 269 Series Helicopters must adhere to the inspection and replacement schedule outlined in the legislation. For paragraph (1), inspections must occur at intervals not exceeding 100 hours of time in service until the replacement of the drive shaft is completed as per paragraph (2). For paragraph (2), the replacement must occur within 500 hours of time in service, and the original shaft (P/N 269A5504) must not exceed 1,500 hours of total time in service. Additionally, the legislation references other directives (Hughes SIN 2A-3, 2A-1-01, 2B-01 and FAA AD 64-6-4) for further guidance on compliance. Failure to comply with the provisions outlined in this legislation can lead to civil or criminal consequences. While the specific penalties are not detailed in the provided text, breaches of aviation safety regulations can generally result in significant fines, suspension or revocation of airworthiness certificates, and potential criminal charges for individuals responsible for non-compliance. The severity of the penalties can depend on the nature and extent of the breach, as well as any harm caused as a result.