# STC SA2748CE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Duncan Aviation, Inc, United States
- Description: Installation of Collins 5-tube EFIS-85B(14) system.
- Applied: December 6, 1990
- Status date: July 15, 1991
- 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/cc/2c/cc2c3d2a72cb48075acadefa8edd6f310bcf5f9007721485b0010651348535f2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/74C36CC12A09B0BB85256CC20008C874.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2748CE

## ADs that name it (0)

None.

## Approved models (1)

- Learjet Inc. Learjet 55 ([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)

- July 15, 1991: Issued, Current. [certificate](https://openairdocs.org/files/sha256/cc/2c/cc2c3d2a72cb48075acadefa8edd6f310bcf5f9007721485b0010651348535f2)

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