# STC SA723NW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: AAR Oklahoma Inc, United States
- Description: Installation of Model AS-1350 Advanced Absorber Doppler Antenna and Radome
- Applied: January 16, 1979
- Status date: July 22, 1988
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A25CE](https://openairdocs.org/tcds/A25CE)
- Certificate PDF: https://openairdocs.org/files/sha256/7b/75/7b751fbe62a44f7e8c43f6fc457291a974e4dafffe2f2971b858668e008ca8fd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EA4BC0B3BF773E0A86257A44006BFA28.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA723NW

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company 404 ([TCDS A25CE](https://openairdocs.org/tcds/A25CE))

## 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: SA723NW This certificate issued to: AAR OKLahona, INC.

Purt 23 of the Pederal Aviation Regulations.

Original Product - Typebertificate Number: A25CE Make: Cessna Model: 404 Description of Type Design Change: Installation of Model AS-1350 Advanced Absorber Doppler Antenna and Radome in accordance with Advanced Absorber Products Drawing 1059-0001• Limitations and Conditions: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Cessna model 404 aircraft, Serial Number 404-0115 only. A copy of this Certificate, Addendum No. SA723NW, and FAA Approved Flight Manual Supplement shall be maintained as part of the permanent records for the modified aircraft.

SA723NW The conditions and limitations of Type Certificate Data Sheet No. A25CE apply except where superseded by the following:

Supplemental Type Certificate Addendum, which is part of SIC SA723NW, prescribes the conditions and limitations under which the product for which the STC was issued meets the airworthiness requirements of the Federal Aviation Regulations. A copy of this STC Addendum is required to be maintained as part of the permanent records for the modified aircraft.

Supplemental Type Certificate HOLDER: AAR Oklahoma, Inc.

CESSNA MODEL 404 (RESTRICTED CATEGORY) AS MODIFIED BY STC SA723NW All items of Data Sheet A25CE apply except:

Vmc - 82 KIAS (at 8400 1bs. with a C.G. of 172.65) NOTE: Restricted Category approval for the Special Purposes of Aerial survey (photography, mapping, oil and mineral exploration).

- END -

**FAA FORM 8110-2-1 (10-69) PAGE 3 OF 3 PAGES**

## Every issue (1)

- July 22, 1988: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/7b/75/7b751fbe62a44f7e8c43f6fc457291a974e4dafffe2f2971b858668e008ca8fd)

---
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.