# STC SA1999CE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Butler National Corporation,Avcon Div, United States
- Description: Sierra flight inspection console installation, structural provisions only.
- Status date: June 28, 1984
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A22CE](https://openairdocs.org/tcds/A22CE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/819B176E6B5CCCE885256CC10083D3F3.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1999CE

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 550 ([TCDS A22CE](https://openairdocs.org/tcds/A22CE))

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.