AD 93-16-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | BAe 146-100A | Airworthiness Directives; British Aerospace Model 146-100A, -200A, and -300A Series Airplanes |
| aircraft | BAE Systems (Operations) Limited | BAe 146-200A | Airworthiness Directives; British Aerospace Model 146-100A, -200A, and -300A Series Airplanes |
| aircraft | BAE Systems (Operations) Limited | BAe 146-300A | Airworthiness Directives; British Aerospace Model 146-100A, -200A, and -300A Series Airplanes |
Unsafe Condition
A fire in the lavatory from not being discovered and extinguished promptly.
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Required Actions
Modify the smoke warning horns for the forward and aft lavatory smoke detectors in accordance with British Aerospace Modification Service Bulletin SB.26-32-36128A. An alternative method of compliance or adjustment of the compliance time may be used if approved by the FAA. Special flight permits may be issued under FAR 21.197 and 21.199 to operate the airplane to a location where the AD requirements can be accomplished.
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Compliance Time
Within 5 months after the effective date of this AD
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Affected Aircraft
British Aerospace Model 146-100A, -200A, and -300A series airplanes equipped with Hosiden Besson Limited 'Cybertone' smoke warning horns, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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