AD/BAL/14 - Fast Flow Restrictor Valves
1AD/BAL/14 - Fast Flow Restrictor Valves
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Image unavailable in extracted text Hot Air Balloons
AD/BAL/14 Fast Flow Restrictor Valves 11/95 DM
Applicability: All hot air balloons.
Requirement: Inspect LP gas cylinders for fitment of fast flow restrictor valves and remove if fitted.
Note: Inspection of LP cylinders for fitment of restrictor valves may be accomplished by an AS2337- approved gas cylinder test station or by an operational check of each cylinder, with burner alight.
Compliance: Before further flight. Thereafter, following any maintenance, or inspection for date stamping.
Background: There have been cases reported of fast flow restrictor valves being fitted internally to LP gas cylinders during maintenance. Because a balloon burner uses fuel within the operating range of the fast flow restrictor valve, a serious accident could result.