Description
The SL101-4 is a genuine Textron Aviation joint supplied for use on the aircraft, with its precise function defined by the aircraft's parts data. It fits the Skyhawk. It carries an export classification of ECCN 9A991.
Because the SL101-4 is an original-equipment (OEM) part sourced directly from Textron Aviation, it matches the exact specification and placement called out in the aircraft's type design and maintenance data — assurance a generic substitute cannot offer.
Parts like this are shared across the Cessna Skyhawk aircraft, reflecting how much structure and hardware these models have in common.
As a factory-supplied item for a type-certificated aircraft, this part is defined by the manufacturer's specification and applicability data. Using the factory part number preserves configuration control, so the airframe stays consistent with its approved type design and the work is straightforward to sign off at inspection.
OEM parts arrive to the specification the type design was certified against, preserving both airworthiness and the airframe's documented configuration. The value of an OEM part is as much in its paperwork and pedigree as its metal — both of which an aircraft's records require.
Cessna traces to the company Clyde Cessna founded in Wichita, Kansas in 1927; Textron Inc. acquired it in 1992, and since 2014 it has anchored Textron Aviation alongside Beechcraft and Hawker. The Cessna 172 Skyhawk is the most-produced aircraft in history, with more than 44,000 built since 1956, and remains in production under Textron Aviation.
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