Equipment / Furnishings — Towing Release Mechanism — Inspection
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AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of HPH Glasflügel 304 sailplanes must inspect the centre of gravity release mechanism before the next winch launch after 21 September 2018 and during each annual inspection thereafter, following the instructions in the specified service bulletin. If any discrepancies are found, corrective actions must be completed before the next winch launch. No terminating action is provided, so inspections remain ongoing.
Summary
EASA Airworthiness Directive 2018-0207-E is an emergency directive addressing the inspection of the towing release mechanism on HPH Glasflügel 304 sailplanes, including models Glasflügel 304 CZ, 304 CZ-17, and 304 C. The directive mandates repetitive inspections of the centre of gravity release mechanism to prevent jamming issues that could lead to failure to disconnect the towing cable. This AD applies to all serial numbers of the affected sailplanes.
What changed
This new emergency airworthiness directive introduces mandatory repetitive inspections of the towing release mechanism's affected part due to identified jamming caused by incorrect geometry of deflector angles. It requires operators to inspect before the next winch launch after the effective date and during each annual inspection thereafter. Corrective actions must be taken if discrepancies are found during inspections.
Why it matters
This directive is critical for aviation professionals as it addresses a safety risk that could result in loss of control of the sailplane during towing operations. Operators and maintenance organizations must ensure compliance to maintain airworthiness and prevent potential accidents. The directive also clarifies the inspection process and corrective measures, aiding compliance teams in meeting regulatory requirements.
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New ADs and bulletins for Hph Spol.S R.O. Glasfluegel 304, HPH Glasflügel 304, HPH Glasflügel 304 CZ and HPH Glasflügel 304 C, summarized like this page, every Monday.