# STC SA00048DE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Air Guard Inc, United States
- Description: Installation of oil filtration system.
- Applied: August 5, 1992
- Status date: August 26, 1993
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A20CE](https://openairdocs.org/tcds/A20CE)
- Certificate PDF: https://openairdocs.org/files/sha256/4c/cb/4ccba107791cf9fcaa6d8111db25289f380fdaa93b2b4801149be40229676951
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C37361B39EF69CC985256CC1007DC741.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA00048DE

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 177RG ([TCDS A20CE](https://openairdocs.org/tcds/A20CE))

## 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: SA00048DE This certificate issued to: Air Guard, INC.

Certifies that the change in the type design for the following product with the limitations and conditions therefor as specified hereon meets the airvorthiness reguirements of Part 23 of the Federal Aviation Regulations.

Original Product - Type bertificate Numben: A 2OCE Make: Cessna Model: 177RG Description of Type Design Change:

Installation of the Air Guard Oil Filtration System in accordance with Air Guard Installation Instructions Report No. AG001-177RG, Revision N/C, dated September 25, 1992, or later FAA approved revision.

timitalion andanditiofitration system is approved for installion on Cessna Model 177RG with Lycoming 10-360-A1B6D engine only.

2. This approval should not be extended to aircraft on which previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft.

Date of Application: August 5, 1992 Jule missued:

Date of Issuance: . August 26, 1993 Date Amended:

FEDERAL AVIATION TAINISTRAIO RICHARD E. JENNINGS, Denver Aircraft Certification Field Office (signature) Manager Northwest Mountain Region, Denver, Colorado (Title) 47 FAA FORM 8110-2 (10-68)

## Every issue (1)

- August 26, 1993: Issued, Current. [certificate](https://openairdocs.org/files/sha256/4c/cb/4ccba107791cf9fcaa6d8111db25289f380fdaa93b2b4801149be40229676951)

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