AD 90-13-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Maryland Air Industries, Inc. | F-27 | Airworthiness Directives; FOKKER Model F27 Series Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27A | Airworthiness Directives; FOKKER Model F27 Series Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27B | Airworthiness Directives; FOKKER Model F27 Series Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27F | Airworthiness Directives; FOKKER Model F27 Series Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27G | Airworthiness Directives; FOKKER Model F27 Series Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27J | Airworthiness Directives; FOKKER Model F27 Series Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27M | Airworthiness Directives; FOKKER Model F27 Series Airplanes |
Unsafe Condition
Loss of cockpit voice recorder and flight data recorder information.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install wiring, an impact switch, a power relay, and a circuit breaker on the voice recorder per Fokker Service Bulletin F27/23-27. Install wiring, an impact switch, a power relay, and a circuit breaker on the flight data recorder per Fokker Service Bulletin F27/31-11. Alternate compliance may be approved by the Manager, Standardization Branch, ANM-113, FAA, Northwest Mountain Region.
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Compliance Time
within 180 days after the effective date of this AD
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Affected Aircraft
Fokker Model F27 series airplanes, Serial Numbers 10102 through 10684, 10686, 10687, and 10689 through 10692, 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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