# STC SA2720CE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Duncan Aviation Inc, United States
- Description: Installation of Honeywell EDZ-805 EFIS system.
- Applied: January 2, 1991
- Status date: May 22, 1991
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A21EA](https://openairdocs.org/tcds/A21EA)
- Certificate PDF: https://openairdocs.org/files/sha256/0d/b3/0db36b8dd50ee236c283a4871eadc26d7a53568be2f6721d0ab7d0c7ee82bea7
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/432020E6EF5A3E7E85256CC20008C7F9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2720CE

## ADs that name it (0)

None.

## Approved models (1)

- Bombardier Inc. CL-600-1A11 (CL-600) ([TCDS A21EA](https://openairdocs.org/tcds/A21EA))

## What the certificate says

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

## Every issue (1)

- May 22, 1991: Issued, Current. [certificate](https://openairdocs.org/files/sha256/0d/b3/0db36b8dd50ee236c283a4871eadc26d7a53568be2f6721d0ab7d0c7ee82bea7)

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