# STC SA2579CE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Duncan Aviation, Inc, United States
- Description: Install Sundstrand CVR-80 Cockpit Voice Recorder.
- Applied: January 23, 1990
- Status date: May 7, 1990
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A2SW](https://openairdocs.org/tcds/A2SW)
- Certificate PDF: https://openairdocs.org/files/sha256/0c/a2/0ca28489f34bd07fdb8196b04f5ea969e2d5464bd6b2b617cd64c17cf59a2b32
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BA1B2996F557522D85256CC200016004.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2579CE

## ADs that name it (0)

None.

## Approved models (1)

- Israel Aircraft Industries Ltd. 1124A ([TCDS A2SW](https://openairdocs.org/tcds/A2SW))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SA2579CE This certificate issued to: Duncan Aviation, InC.

P.O. Box 81887 Lincoln, Nebraska 68501 Certifies that the change in the type design for the following froduct with the limitutions and conditions therefer as specified heron meds the airwerhiness requirements f Purt Ab fleCiViI Air Rugulalions. See IC Data Sheet A2SW for additional requirements.

Original Product -TypebertificateNumber: A2SW Make: Israel Aircraft Industries Model: 1124A Description of Type Design Change:

Install Sundstrand CVR-80 Cockpit Voice Recorder. Data Required:

(1) Duncan Aviation, Inc., Document List 10036600, Revision C, dated March 7, 1990, stamped "FAA Approved." (2) FAA approved Airplane Flight Manual Supplement, Duncan Aviation, Inc. Document No. 40119500, dated May 7, 1990, or later FAA approved revisions to (1) or (2).

This approval should not be extended to other specific airplanes of this model on which other previously approved modifications are incorporated, unless it is determined that the interrelationships between this change and any of these other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane.

Date of Application: January 23, 1990 Date Reissued:

May 7, 1990 FEDERAL AVIATION By Direction of the Administrator Original Signed By Lawrence A. Hermonure) Lawrence A. Herron, Manager Wichita Aircraft Certification Office (Title)

47.

## Every issue (1)

- May 7, 1990: Issued, Current. [certificate](https://openairdocs.org/files/sha256/0c/a2/0ca28489f34bd07fdb8196b04f5ea969e2d5464bd6b2b617cd64c17cf59a2b32)

---
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.