AD NO.
G-2021-0014R1-E
SUBJECT
Hot Air Balloons – Fuel – Cylinder Quick Shut-off Valve Mounting Flange – Inspection / Replacement
APPLICABILITY
Fuel cylinders Part No (P/N) CB2901, P/N CB2902 and P/N CB2903, having a serial number (s/n) as listed in Appendix 1 of this AD, where the cylinder is equipped with a QSO valve (incorporating flanged adaptor P/N CB437 Issue F), and all P/N CB2901, P/N CB2902 and P/N CB2903 cylinders having a s/n not listed in Appendix 1 of this AD that have been fitted with a flanged adaptor P/N CB437 Issue F and released as spare parts under Invoice and Form 1 Numbers as listed in Appendix 2 of this AD. Stainless Steel cylinders CB426, CB497, CB599, CB959, CB2088, V20, V30, V40; Titanium cylinders CB2380,CB2383, CB2385, CB2387, T30 (CY-050-A-001) and “Worthington” Aluminium cylinders CB250, may also be affected if fitted with CB437 flanged adaptors supplied on invoice and Form 1 numbers listed in Appendix 2 of this AD. These fuel cylinders are known to be installed on, but not limited to, hot air balloons and airships manufactured by Cameron Balloons Ltd, Colt Balloons, Lindstrand Balloons Ltd (LBL), Lindstrand Hot Air Balloons Ltd, Sky Balloons, Thunder Balloons, Thunder & Colt, and Lindstrand Technologies Ltd.
ISSUED BY
CAA UK
