CAMERON BALLOONS Ltd — Fuel - Cylinder Quick Shut-off Valve Mounting Flange — Inspection / Replacement
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators must inspect all affected fuel cylinders before further flight starting from 4 October 2021, checking for leakage and performing torque tests as specified. Any leaking cylinders must be removed from service immediately. All affected cylinders must have the CB437 Issue F flanged adaptor replaced with Issue H or later within four months of 4 October 2021. Installation of affected parts is prohibited from the effective date.
Summary
Civil Aviation Authority Emergency Airworthiness Directive G-2021-0014R1-E addresses inspection and replacement requirements for fuel cylinder quick shut-off valve mounting flanges on Cameron Balloons Ltd hot air balloons and related aircraft. The directive applies to specific fuel cylinder part numbers CB2901, CB2902, CB2903, and certain stainless steel, titanium, and aluminum cylinders fitted with flanged adaptor P/N CB437 Issue F. It mandates inspection for leakage and torque testing of the QSO valve adaptor flange to prevent potential propane leaks and fire hazards.
What changed
This revision of Emergency AD G-2021-0014-E includes additional serial numbers for affected cylinders, clarifies visual identification methods with added photos, and updates the replacement part number to CB437 Issue H, as the previously specified Issue G was never produced. Editorial changes were also made without affecting the core requirements.
Why it matters
This directive is critical for aviation professionals to prevent uncontrolled propane leaks that could cause fires, damage balloons, and endanger occupants and people on the ground. Operators and maintenance organizations must ensure compliance to maintain airworthiness and safety of affected hot air balloons and airships. Failure to comply could lead to unsafe flight conditions and regulatory penalties.
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New ADs and bulletins for Cameron Balloons Ltd, summarized like this page, every Monday.