AD 99-18-08

final rule
Data completeness: 70%

Airworthiness Directives; Israel Aircraft Industries, Ltd. (IAI), Model 1124 and 1124A Series Airplanes

AD Number
99-18-08
Status
final_rule
Effective Date
Product Category
aircraft
Docket
98-NM-332-AD
FR Citation
Federal Register: August 31, 1999 (Volume 64, Number 168)

Applicability

TypeManufacturerModelDetails
aircraft Israel Aircraft Industries, Ltd. 1124 Airworthiness Directives; Israel Aircraft Industries, Ltd. (IAI), Model 1124 and 1124A Series Airplanes
aircraft Israel Aircraft Industries, Ltd. 1124A Airworthiness Directives; Israel Aircraft Industries, Ltd. (IAI), Model 1124 and 1124A Series Airplanes

Unsafe Condition

Loss of the hydraulic low pressure warning lights which could result in unknown low pressure in the hydraulic system and consequent reduced controllability of the airplane.

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

Required Actions

Install an independent circuit breaker and associated wiring changes for the hydraulic low pressure warning lights in accordance with IAI 1124-Westwind Alert Service Bulletin 1124-29A-140. Alternative methods of compliance may be approved if they provide an acceptable level of safety.

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

Compliance Time

Within 400 hours time-in-service or 1 year after the effective date of this AD, whichever occurs first.

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

Affected Aircraft

Israel Aircraft Industries, Ltd. Model 1124 and 1124A series airplanes, certificated in any category.

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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