# STC SA03040AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Reds Aircraft Service Inc., United States
- Description: Royal Atlantic Aviation Engine Oil Filter Bypass Warning System, Kit P/N RAA2003-1-1
- Applied: November 2, 2004
- Status date: March 27, 2019
- Product: Aircraft, Small Airplane
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A28CE](https://openairdocs.org/tcds/A28CE)
- Certificate PDF: https://openairdocs.org/files/sha256/47/96/4796f2531e0fe6b30bb9b60bdc8b0bb6dfa49963b2f80ba6b8220832f7f03abb
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/211716A23A3D4DE8862585CA003B07B3.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA03040AT

## ADs that name it (0)

None.

## Approved models (1)

- Textron Aviation Inc. 441 ([TCDS A28CE](https://openairdocs.org/tcds/A28CE))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Possession of this Su pplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, aircraft engine, or propeller. The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is th e property of the STC holder.

FAA Form 8110-2 (5/14) Page 1 of 2

Number: SA03040AT

This certificate issued to: Reds Aircraft Services, Inc.

2151 Spinner Lane Hangar 5351 Sanford, FL 32773

Part 23 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: A28CE Make: Cessna Model: 441

Description of Type Design Change: Royal Atlantic Aviation Engine Oil Filter Bypass Warning System, Kit P/N RAA2003-1- 1, dated August 01, 2004 or later FAA Approved Revision, STC SE03035AT, Amendment 1, for Honeywell TPE331-8 and E331- 10N engines on the Cessna 441 model aircraft. This STC replaces a mechanical oil filter bypass valve that is visually inspected with a real time oil filter bypass warning system in the form of cockpit indicator light.

Limitations and Conditions: This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated, unless it is determined by the installer that the interrelationship between this change and any other previously approved modifications will produce no adverse effect upon the airworthiness of that airplane. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission. FAA Approved Airplane Flight Manual Supplement, RAA-FMS-7, Revision I/R, dated August 5, 2005, or later FAA approved revision is a required part of this STC.

Date of Application: November 02, 2004 Date Reissued: October 23, 2009, June 02, 2012, March 01, 2016 March 27, 2019

Date of Issuance: February 11, 2005 Date Amended:

Signature Title (for) Christina M. Underwood Manager, Atlanta ACO Branch

Possessi on of this Supplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, aircraft engine, or propeller.

FAA Form 8110-2 (5/14) Page 2 of 2

Transfer the ownership of Supplemental Type Certificate Number: SA03040AT

To (Name and address of transferee)

From (Name and address of grantor)

## Every issue (4)

- March 27, 2019: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/47/96/4796f2531e0fe6b30bb9b60bdc8b0bb6dfa49963b2f80ba6b8220832f7f03abb)
- March 1, 2016: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/b8/59/b859a2cc4fbed978e899cdb5f980ead01adeac973801a8dfe0d472724c8de0ca)
- June 2, 2012: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/11/20/11204a06abc97079d79a4646a1e0e6177888fa8be3ac79249f243f3f9e4e21b1)
- March 10, 2005: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/64/72/64720ded7482406b3ffbd6f4d2304141d683ef2bc27b66092bd877ee6752cb4f)

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.
