AD/A109/21 - Aircruiser Emergency Floats

Overview

The Civil Aviation Regulations 1998, specifically Part 39 - 105, was enacted to ensure the safe operation of aircraft within Australia's airspace, addressing gaps in the regulation of airworthiness directives. This legislative instrument, issued by the Civil Aviation Safety Authority (CASA), aims to mandate compliance with safety directives to prevent incidents such as uncommanded inflation of emergency floats, which could lead to severe accidents. The regulation concerning Agusta A109 Series Helicopters and their emergency floats is a direct response to observed safety issues, ensuring all operators adhere to specified modifications and compliance dates to mitigate risks. This particular Airworthiness Directive, AD/A109/21, pertains to Agusta A109 Series Helicopters equipped with emergency floats P/N 109-0715-01 that have not been modified according to Agusta B.T. 109-93. The directive mandates actions in line with Aircruiser Service Bulletin 902-25-1, referencing previous related directives such as RAI AD 93-347. The policy objective is clear: to enhance safety by ensuring that all specified modifications are completed before the stipulated compliance date of 30 September 1994, thereby preventing potential incidents associated with uncommanded inflation of floats at high forward airspeed.

Scope and Application

The Civil Aviation Safety Authority Schedule of Airworthiness Directives, specifically AD/A109/21 concerning Agusta A109 Series Helicopters, applies to all models fitted with emergency floats P/N 109-0715-01 that have not been modified in accordance with Aircruiser Service Bulletin 902-25-1. This legislation is applicable on a national level within Australia, falling under the jurisdiction of the Commonwealth of Australia as part of the Civil Aviation Regulations 1998. The directive mandates compliance with the requirements stipulated in Agusta B.T. 109-93, referencing RAI AD 93-347, and necessitates corrective action prior to 30 September 1994. The directive arises from an incident involving uncommanded inflation of a float at high forward airspeed, highlighting the critical nature of ensuring the airworthiness of these helicopters. The scope of this directive extends to all relevant helicopter models across the country, with no stated exclusions or exemptions, ensuring that all applicable aircraft meet the specified safety standards.

Key Provisions

The Civil Aviation Regulations 1998, Part 39 - 105, specifically under the Airworthiness Directives for the Agusta A109 Series Helicopters, mandates particular safety measures concerning the emergency floats installed on these aircraft. Section AD/A109/21 focuses on the emergency floats of the Agusta A109 series, specifically those with part number 109-0715-01 that have not been modified in accordance with Aircruiser Service Bulletin 902-25-1. This directive requires operators to take action as outlined in Agusta B.T. 109-93 to ensure compliance with safety standards, referencing RAI AD 93-347 for additional context. The directive also specifies a compliance deadline of 30 September 1994, highlighting the urgency and importance of adhering to these safety requirements. Operators of Agusta A109 Series helicopters must ensure that any emergency floats P/N 109-0715-01 installed on their aircraft are either modified as per Aircruiser Service Bulletin 902-25-1 or replaced with a compliant version. This obligation extends to all models of the A109 series equipped with the specified emergency floats that have not yet been modified. The directive necessitates that these modifications be carried out in strict adherence to the guidelines provided by Agusta B.T. 109-93. Furthermore, operators are required to ensure that all actions are completed by the specified deadline to maintain compliance with Australian aviation safety regulations. Failure to comply with the provisions of this Airworthiness Directive could result in severe consequences. The Civil Aviation Regulations 1998 impose significant penalties for non-compliance with airworthiness directives, including potential criminal charges and substantial fines. Specifically, operators who fail to adhere to the requirements outlined in AD/A109/21 may face legal action, which could culminate in criminal prosecution and penalties. The precise nature of these penalties is not detailed in the provided text, but they are likely to be severe, given the critical nature of the safety directive. Ensuring compliance is therefore not only a regulatory requirement but also essential to avoid potential legal and financial repercussions.