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Other aircraft modifications

STC ST01138DE

FAA DRS lists ST01138DE as Current · Reissued, held by Butler National Corporation, for Learjet 24, Learjet 24A, and Learjet 24B, and 22 more aircraft configurations. Recorded change: Installation of MidContinent MD23 standby altimeter and/or attitude indicators. Snapshot dated June 30, 2026.

FAA-listed holder
Butler National Corporation
Aircraft configurations
25
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

ST01138DE identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Learjet 24, Learjet 24A, and Learjet 24B, and 22 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Learjet 24A10CELearjet 24AA10CELearjet 24BA10CELearjet 24B-AA10CELearjet 24CA10CELearjet 24DA10CELearjet 24EA10CELearjet 24FA10CELearjet 24F-AA10CELearjet 25A10CELearjet 25AA10CELearjet 25BA10CELearjet 25CA10CELearjet 25DA10CELearjet 25FA10CELearjet 31A10CELearjet 31AA10CELearjet 35A10CELearjet 35A (C-21A)A10CELearjet 36A10CELearjet 36AA10CELearjet 55A10CELearjet 55BA10CELearjet 55CA10CELearjet 60A10CE

Buyer checks

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