# STC SA2481CE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Avcon Industries Inc/A Butler National Company, United States
- Description: Installation of 3000 psi hydraulic system.
- Applied: September 22, 1988
- Status date: March 31, 1989
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE)
- Certificate PDF: https://openairdocs.org/files/sha256/c5/c5/c5c54fd935642cc90817deed5138b8932639a56db55d4550a3e8b8ebbb9baa0d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1218DF34398E2FDF85256CC200015EC4.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2481CE

## ADs that name it (0)

None.

## Approved models (4)

- Learjet Inc. Learjet 35 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 35A (C-21A) ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 36 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 36A ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- March 31, 1989: Issued, Current. [certificate](https://openairdocs.org/files/sha256/c5/c5/c5c54fd935642cc90817deed5138b8932639a56db55d4550a3e8b8ebbb9baa0d)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.