Description
The MS24659-21L is a genuine Textron Aviation switch that controls an electrical circuit aboard the aircraft. It is fitted to the Baron Series B55, E55, 58 or G58. It carries an export classification of ECCN 9A991.
As an original-equipment (OEM) part supplied directly by Textron Aviation, the MS24659-21L is built to the aircraft maker's specification and cross-references the type design as documented in the maintenance data. Choosing the genuine part over an unapproved substitute preserves configuration control and simplifies inspection sign-offs.
Because the Beechcraft Baron aircraft share extensive structure and hardware, a single part like this is often common across several variants.
Electrical and electronic components are defined by exact ratings and characteristics, so the specified part keeps the circuit performing as engineered. Because substitutions on type-certificated aircraft require approved data, the genuine part is the straightforward, compliant choice for this application.
The factory part is built to the manufacturer's material and dimensional specification, so it installs as designed without the surprises a generic equivalent can bring. For a regulated aircraft component, correct identification by factory part number is what guarantees the exact form, fit, and function the design calls for.
Beechcraft was founded in Wichita, Kansas in 1932 by Walter and Olive Ann Beech, and has been part of Textron Aviation since 2014, uniting with Cessna and Hawker. The Baron — a twin-engine member of Beechcraft's piston line introduced in 1961 — shares much of its structure and hardware with the Bonanza.
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