AD 90-25-09

final rule
Data completeness: 70%

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

AD Number
90-25-09
Status
final_rule
Effective Date
Product Category
aircraft
Docket
90-CE-72-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Aerostar International RX-6 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
aircraft Aerostar International RX-7 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
aircraft Aerostar International RX-8 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
aircraft Aerostar International S-49A 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
aircraft Aerostar International S-50A 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
aircraft Aerostar International S-52A 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
aircraft Aerostar International S-55A 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
aircraft Aerostar International S-57A 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
aircraft Aerostar International S-60A 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
aircraft Aerostar International S-66A 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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Replace AFT suspension cables with stainless/galvanized steel cables on Models S-66A and S-77A before further flight. Inspect AFT suspension cables for degradation on other models before each flight until 100 hours time-in-service (TIS); replace cables if degradation found or after 100 hours TIS. Operators without TIS records may use balloon hours TIS as substitute.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Required as indicated after the effective date of this AD, unless already accomplished.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Aerostar International 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 (all serial numbers) equipped with Advanced Fiber Technology (AFT) suspension cables.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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