AD 93-10-08

final rule
Data completeness: 70%

Airworthiness Directives; DE HAVILLAND Models DHC-6-1, DHC-6-100, DHC-6-200, and DHC-6-300 Airplanes

AD Number
93-10-08
Status
final_rule
Effective Date
Product Category
aircraft
Docket
91-CE-49-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Viking Air Limited DHC-6-1 Airworthiness Directives; DE HAVILLAND Models DHC-6-1, DHC-6-100, DHC-6-200, and DHC-6-300 Airplanes
aircraft Viking Air Limited DHC-6-100 Airworthiness Directives; DE HAVILLAND Models DHC-6-1, DHC-6-100, DHC-6-200, and DHC-6-300 Airplanes
aircraft Viking Air Limited DHC-6-200 Airworthiness Directives; DE HAVILLAND Models DHC-6-1, DHC-6-100, DHC-6-200, and DHC-6-300 Airplanes
aircraft Viking Air Limited DHC-6-300 Airworthiness Directives; DE HAVILLAND Models DHC-6-1, DHC-6-100, DHC-6-200, and DHC-6-300 Airplanes

Unsafe Condition

Failure of the overhead control console, which could result in loss of control of the airplane.

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

Required Actions

Visually inspect the overhead console control quadrants for cracks in accordance with de Havilland SB 6/298, Revision D. Depending on crack severity, replace part number C6-CE-1010 with C6CE1421-27 within specified times or reinspect at intervals not exceeding 100 or 200 hours time-in-service. The modification must be completed within 2,400 hours time-in-service unless earlier accomplished.

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

Compliance Time

Within the next 25 hours time-in-service after the effective date of this AD, unless already accomplished within the last 175 hours time-in-service.

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

Affected Aircraft

Models DHC-6-1, DHC-6-100, DHC-6-200, and DHC-6-300 airplanes (serial numbers 1 through 420).

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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