# STC SE03035AT - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Reds Aircraft Service Inc., United States - Description: Installation of Royal Atlantic Aviation Engine Oil Filter Bypass Warning System, Kit P/N RAA2003-1-1 - Applied: November 1, 2004 - Status date: March 27, 2019 - Product: Engine - Certification basis: Part 21, Part 23 - Data sheets: [TCDS E4WE](https://openairdocs.org/tcds/E4WE) - Certificate PDF: https://openairdocs.org/files/sha256/1b/c4/1bc4efd4519bf55e7d1b79e04bb565072c0c7fa8d9ae01d5f348ef0af1a60d39 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D3BE68A0EEF70D89862585CA0040C536.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SE03035AT ## ADs that name it (0) None. ## Approved models (2) - Honeywell International Inc. TPE331-10N ([TCDS E4WE](https://openairdocs.org/tcds/E4WE)) - Honeywell International Inc. TPE331-8 ([TCDS E4WE](https://openairdocs.org/tcds/E4WE)) ## 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 The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the ST C holder. FAA Form 8110-2 (5/14) Page 1 of 2 Number: SE03035AT This certificate issued to: Reds Aircraft Services, Inc. 2151 Spinner Lane Hangar 5351 Sanford, FL 32773 Part 23 of the Civil Air Regulations. Original Product – Type Certificate Number: E4WE Make: Honeywell Model: TPE331-8 and TPE331-10N All Serial Numbers Description of Type Design Change: Installation of Royal Atlantic Aviation Engine Oil Filter Bypass Warning System, Kit P/N RAA2003-1-1, dated August 01, 2004 or later FAA Approved Revision, on the Cessna 441 model aircraft, The STC replaces a mechanical oil filter bypass valve that is inspected visually with a real time oil filter bypass warning system in the form of a cockpit indictor 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.. Date of Application: November 01, 2004 Date Reissued: July 20, 2009, June 02, 2012, March 01, 2016, March 27, 2019 Date of Issuance: February 09, 2005 Date Amended: March 20, 2005 By Direction of the Administrator Signature Title (for) Christina M. Underwood Manager, Atlanta ACO Branch 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 2 of 2 Transfer the ownership of Supplemental Type Certificate Number: SE03035AT To (Name and address of transferee) From (Name and address of grantor) ## Every issue (5) - March 27, 2019: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/1b/c4/1bc4efd4519bf55e7d1b79e04bb565072c0c7fa8d9ae01d5f348ef0af1a60d39) - March 1, 2016: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/d0/49/d049a26f45836f2c2eb187b1271b3bc4f4c2e698123b1ca4d02dcd9b756e9e10) - June 2, 2012: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/66/26/66260f74ef2300b88254b00acd6fc7d4468546a89c384aee85fa082f32ddfb18) - July 20, 2009: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/f7/d5/f7d58a3ef5427dd032619d0a742e19a292dd6518a7f1ef22aba9a41aff60ca71) - March 10, 2005: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/7d/cb/7dcb1ad3aff07c38dacf61e382cd2ec32e337a77e1964a1f4c1d687d026f1dff) --- 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.