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2025-21-01 Recurring

final rule

Airworthiness Directives; Cameron Balloons Ltd. Fuel Cylinders

Unsafe Condition: Cracks on the upper hex portion of pressure relief valve (PRV) adaptors could lead to uncontrolled leakage of liquefied petroleum gas (LPG), resulting in an in-flight fire and consequent emergency ...

Effective: Oct 27, 2025 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Cameron Balloons Ltd. Fuel Cylinders

2023-17-09

final rule

Airworthiness Directives; Cameron Balloons Ltd. Fuel Cylinders

Unsafe Condition: cracks in the weld between the cylinder valve plate and the upper dished end of Cameron fuel cylinder part number (P/N) CB2990/A

Effective: Sep 13, 2023 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Cameron Balloons Ltd. Fuel Cylinders

2022-15-02 Recurring

final rule

Airworthiness Directives; Cameron Balloons Ltd. Burner Assemblies

Unsafe Condition: fatigue cracking of the weld on Stratus double burner hangers, caused mainly during ground transportation with the burner erect, combined with an overload event

Effective: Aug 25, 2022 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Cameron Balloons Ltd. Burner Assemblies

2022-01-06

final rule

Airworthiness Directives; Cameron Balloons Ltd. Fuel Cylinders

Unsafe Condition: Certain Cameron Hot Air Balloon fuel cylinders are supplied with liquid offtakes that consist of a quarter turn ball valve mounted on a flanged adaptor ([part number] P/N CB437, see [CAA AD] figure...

Effective: Jan 18, 2022 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Cameron Balloons Ltd. Fuel Cylinders

2013-03-10

final rule

Airworthiness Directives; Lindstrand Hot Air Balloons Ltd Appliances

Unsafe Condition: Insufficient tightness of the threaded hose connector in the assembly area that could result in fuel leakage.

Effective: Mar 19, 2013 Category: aircraft Compliance: Within 60 days after the effective date of March 19, 2013.

Why matched: Airworthiness Directives; Lindstrand Hot Air Balloons Ltd Appliances

93-16-13

final rule

Airworthiness Directives; AEROSTAR INTERNATIONAL, INC. Models RX-6, RX-7, RX-8, RXS-8, S-40A, S-49A, S-50A, S-52A, S-55A, S-57A, S-57S, S-60S, S-60A, S-66A, S-71A, S-77A, 78C, 90C, QUBE-80, CTS, W100LB, 110P, and SPII Balloons

Unsafe Condition: An uncontained fire in the balloon basket caused by a leaking fuel hose identified with AEROQUIP FC321-06 UL 5/16 LP-GAS HOSE 350 MAX. OPER. PSI markings 1Q92, 2Q92, 3Q92, 4Q92, or hoses with illeg...

Effective: Oct 15, 1993 Category: aircraft Compliance: Required as indicated after receipt of this AD, unless already accomplished. The replacement requ...

Why matched: Airworthiness Directives; AEROSTAR INTERNATIONAL, INC. Models RX-6, RX-7, RX-8, RXS-8, S-40A, S-49A, S-50A, S-52A, S-55A, S-57A, S-57S, S-60S, S-60A, S-66A, S-71A, S-77A, 78C, 90C, QUBE-80, CTS, W100LB, 110P, and SPII Balloons

Technical illustration of an aircraft fuel pump, filter, valve, and lines
Problem area Fuel system

90-25-09

final rule

Airworthiness Directives; AEROSTAR INTERNATIONAL, INC. Models RX-6, RX-7, RX-8, S-49A, S-50A, S-52A, S-55A, S-57A, S- 60A, S-66A and S-77A Balloons

Unsafe Condition: Suspension cables (AFT) may degrade, leading to loss of the balloon.

Effective: Jan 14, 1991 Category: aircraft Compliance: Required as indicated after the effective date of this AD, unless already accomplished.

Why matched: Airworthiness Directives; AEROSTAR INTERNATIONAL, INC. Models RX-6, RX-7, RX-8, S-49A, S-50A, S-52A, S-55A, S-57A, S- 60A, S-66A and S-77A Balloons

86-10-11 R1

final rule

Airworthiness Directives; AEROSTAR (RAVEN) Models S-40A, S- 50A, S-55A, S-60A, S-66A, S-77A, RX-6, RX-7 and W100LB Hot Air Balloons

Unsafe Condition: Propane fuel leakage from fuel supply hose assemblies with part number code 'FC321-06' and date of manufacture codes '3Q84' or '4Q84' could result in an uncontained fire in the balloon basket.

Effective: Jul 10, 1986 Category: aircraft Compliance: prior to further flight

Why matched: Airworthiness Directives; AEROSTAR (RAVEN) Models S-40A, S- 50A, S-55A, S-60A, S-66A, S-77A, RX-6, RX-7 and W100LB Hot Air Balloons

81-21-02 R1

final rule

Airworthiness Directive; RAVEN INDUSTRIES, INC. Models S-40A, S-50A, S-55A, S-60A, S-66A, RX-6, RX-7 and W100LB Hot Air Balloons

Unsafe Condition: Deflation panels using continuous hook and pile fastener tape may have damage due to wear or heat deterioration, leading to unwanted opening during flight.

Effective: Mar 8, 1984 Category: aircraft Compliance: Before each inflation for the purpose of flight, and at intervals not to exceed 100 hours of ball...

Why matched: Airworthiness Directive; RAVEN INDUSTRIES, INC. Models S-40A, S-50A, S-55A, S-60A, S-66A, RX-6, RX-7 and W100LB Hot Air Balloons

80-01-03

final rule

Airworthiness Directives; RAVEN INDUSTRIES, INC. Model S-50A, S-55A and S-60A, Hot Air Balloons

Unsafe Condition: Failure to properly release the parachute top due to excess Velcro tape hooks on the envelope's 24 4-inch long tapes.

Effective: Jan 7, 1980 Category: aircraft Compliance: before further flight

Why matched: Airworthiness Directives; RAVEN INDUSTRIES, INC. Model S-50A, S-55A and S-60A, Hot Air Balloons

76-03-04

final rule

Airworthiness Directives; Raven Model RX-6 Hot Air Balloons

Unsafe Condition: Cracking and breaking of the polyethylene gondola liner

Effective: Feb 13, 1976 Category: aircraft Compliance: before further flight

Why matched: Airworthiness Directives; Raven Model RX-6 Hot Air Balloons

75-19-04

final rule

Airworthiness Directives; Raven Model S-40A, S-50A, S-55A, S-60A, and RX-6 Hot Air Balloons

Unsafe Condition: Failures of the 'O' ring on the valve stem; valve seat washer loosening; or valve actuating handle rollpin becoming dislodged.

Effective: Sep 17, 1975 Category: aircraft Compliance: Within the next 25 hours time in service unless already accomplished within the last 25 hours tim...

Why matched: Airworthiness Directives; Raven Model S-40A, S-50A, S-55A, S-60A, and RX-6 Hot Air Balloons