# STC SA02033AT - Type: Supplemental type certificate - Status: Current, Amended - Holder: M-20 Oil Separators LLC, United States - Description: Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line. - Applied: May 5, 1999 - Status date: July 25, 2008 - Product: Aircraft, Single-Engine - Certification basis: Part 21 - Data sheets: [TCDS A10EU](https://openairdocs.org/tcds/A10EU), [TCDS A9EU](https://openairdocs.org/tcds/A9EU), [TCDS A-728](https://openairdocs.org/tcds/A-728), [TCDS A-751](https://openairdocs.org/tcds/A-751), [TCDS A17WE](https://openairdocs.org/tcds/A17WE), [TCDS A9SW](https://openairdocs.org/tcds/A9SW), [TCDS 1A16](https://openairdocs.org/tcds/1A16), [TCDS A-759](https://openairdocs.org/tcds/A-759), [TCDS A-761](https://openairdocs.org/tcds/A-761), [TCDS A-796](https://openairdocs.org/tcds/A-796), [TCDS A21CE](https://openairdocs.org/tcds/A21CE), [TCDS A11EA](https://openairdocs.org/tcds/A11EA), [TCDS A16EA](https://openairdocs.org/tcds/A16EA), [TCDS 4A19](https://openairdocs.org/tcds/4A19), [TCDS A-773](https://openairdocs.org/tcds/A-773), [TCDS 1A3](https://openairdocs.org/tcds/1A3), [TCDS A18CE](https://openairdocs.org/tcds/A18CE), [TCDS A4NW](https://openairdocs.org/tcds/A4NW), [TCDS A-743](https://openairdocs.org/tcds/A-743), [TCDS A15EA](https://openairdocs.org/tcds/A15EA) and 240 more - Certificate PDF: https://openairdocs.org/files/sha256/fa/f8/faf8c3e4bb773cba23d2a94ae99b0bf30082da1212b04233872988e7a9a4a9bb - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EE886175DDC99C208625765D00733301.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA02033AT ## ADs that name it (0) None. ## Approved models (1,119, first 50) - Aermacchi S.p.A. F.260 ([TCDS A10EU](https://openairdocs.org/tcds/A10EU)) - Aermacchi S.p.A. F.260B ([TCDS A10EU](https://openairdocs.org/tcds/A10EU)) - Aermacchi S.p.A. F.260C ([TCDS A10EU](https://openairdocs.org/tcds/A10EU)) - Aermacchi S.p.A. F.260D ([TCDS A10EU](https://openairdocs.org/tcds/A10EU)) - Aermacchi S.p.A. F.260E ([TCDS A10EU](https://openairdocs.org/tcds/A10EU)) - Aermacchi S.p.A. F.260F ([TCDS A10EU](https://openairdocs.org/tcds/A10EU)) - Aermacchi S.p.A. S.205 - 18/F ([TCDS A9EU](https://openairdocs.org/tcds/A9EU)) - Aermacchi S.p.A. S.205 - 18/R ([TCDS A9EU](https://openairdocs.org/tcds/A9EU)) - Aermacchi S.p.A. S.205 - 20/F ([TCDS A9EU](https://openairdocs.org/tcds/A9EU)) - Aermacchi S.p.A. S.205 - 20/R ([TCDS A9EU](https://openairdocs.org/tcds/A9EU)) - Aermacchi S.p.A. S.205 - 22/R ([TCDS A9EU](https://openairdocs.org/tcds/A9EU)) - Aermacchi S.p.A. S.208 ([TCDS A9EU](https://openairdocs.org/tcds/A9EU)) - Aermacchi S.p.A. S.208A ([TCDS A9EU](https://openairdocs.org/tcds/A9EU)) - Aeronca Aircraft Corporation 50-TC ([TCDS A-728](https://openairdocs.org/tcds/A-728)) - Aeronca Aircraft Corporation 50-TL ([TCDS A-728](https://openairdocs.org/tcds/A-728)) - Aeronca Aircraft Corporation 65-TAC (Army L-3E) ([TCDS A-728](https://openairdocs.org/tcds/A-728)) - Aeronca Aircraft Corporation 65-TAL ([TCDS A-728](https://openairdocs.org/tcds/A-728)) - Aeronca Aircraft Corporation 65-TC (Army L-3J) ([TCDS A-728](https://openairdocs.org/tcds/A-728)) - Aeronca Aircraft Corporation 65-TL ([TCDS A-728](https://openairdocs.org/tcds/A-728)) - Aeronca Aircraft Corporation O-58A (Army L-3A) ([TCDS A-751](https://openairdocs.org/tcds/A-751)) - Aeronca Aircraft Corporation O-58B (Army L-3B; L-3C) ([TCDS A-751](https://openairdocs.org/tcds/A-751)) - Aeronca Aircraft Corporation SO-58B ([TCDS A-751](https://openairdocs.org/tcds/A-751)) - Aeronca Aircraft Corporation YO-58 (Army L-3) ([TCDS A-728](https://openairdocs.org/tcds/A-728)) - Aerostar Aircraft Corporation PA-60-600 (Aerostar 600) ([TCDS A17WE](https://openairdocs.org/tcds/A17WE)) - Aerostar Aircraft Corporation PA-60-601 (Aerostar 601) ([TCDS A17WE](https://openairdocs.org/tcds/A17WE)) - Aerostar Aircraft Corporation PA-60-601P (Aerostar 601P) ([TCDS A17WE](https://openairdocs.org/tcds/A17WE)) - Aerostar Aircraft Corporation PA-60-602P (Aerostar 602P) ([TCDS A17WE](https://openairdocs.org/tcds/A17WE)) - Aerostar Aircraft Corporation PA-60-700P (Aerostar 700P) ([TCDS A17WE](https://openairdocs.org/tcds/A17WE)) - Air Tractor Inc. AT-250 ([TCDS A9SW](https://openairdocs.org/tcds/A9SW)) - Air Tractor Inc. AT-300 ([TCDS A9SW](https://openairdocs.org/tcds/A9SW)) - Air Tractor Inc. AT-301 ([TCDS A9SW](https://openairdocs.org/tcds/A9SW)) - Allied Ag Cat Productions Inc. G-164 ([TCDS 1A16](https://openairdocs.org/tcds/1A16)) - Allied Ag Cat Productions Inc. G-164A ([TCDS 1A16](https://openairdocs.org/tcds/1A16)) - American Champion Aircraft Corp. 11AC ([TCDS A-761](https://openairdocs.org/tcds/A-761)) - American Champion Aircraft Corp. 11BC ([TCDS A-761](https://openairdocs.org/tcds/A-761)) - American Champion Aircraft Corp. 11CC ([TCDS A-796](https://openairdocs.org/tcds/A-796)) - American Champion Aircraft Corp. 7AC ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7ACA ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7BCM (Army L-16A) ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7CCM (Army L-16B) ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7DC ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7EC ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7ECA ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7FC ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7GC ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7GCA ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7GCAA ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7GCB ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7GCBA ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7GCBC ([TCDS A-759](https://openairdocs.org/tcds/A-759)) All 1,119: https://openairdocs.org/stc/SA02033AT/models.md ## What the certificate says The certificate is a scan without a text layer; open the PDF to read it. ## Every issue (18) - July 25, 2008: Amended, Current. [certificate](https://openairdocs.org/files/sha256/fa/f8/faf8c3e4bb773cba23d2a94ae99b0bf30082da1212b04233872988e7a9a4a9bb) - July 25, 2008: Amended, Current. [certificate](https://openairdocs.org/files/sha256/fa/f8/faf8c3e4bb773cba23d2a94ae99b0bf30082da1212b04233872988e7a9a4a9bb) - July 25, 2008: Amended, Current. [certificate](https://openairdocs.org/files/sha256/fa/f8/faf8c3e4bb773cba23d2a94ae99b0bf30082da1212b04233872988e7a9a4a9bb) - July 24, 2008: Amended, Current. [certificate](https://openairdocs.org/files/sha256/fa/f8/faf8c3e4bb773cba23d2a94ae99b0bf30082da1212b04233872988e7a9a4a9bb) - July 24, 2008: Amended, Current. [certificate](https://openairdocs.org/files/sha256/fa/f8/faf8c3e4bb773cba23d2a94ae99b0bf30082da1212b04233872988e7a9a4a9bb) - July 24, 2008: Amended, Current. [certificate](https://openairdocs.org/files/sha256/fa/f8/faf8c3e4bb773cba23d2a94ae99b0bf30082da1212b04233872988e7a9a4a9bb) - April 10, 2006: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/90/59/9059ec2efa16afa4a2df1db22b1a07ed7ad439197d04e84a0ea7cba4be0d197d) - April 10, 2006: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/90/59/9059ec2efa16afa4a2df1db22b1a07ed7ad439197d04e84a0ea7cba4be0d197d) - April 10, 2006: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/2e/d4/2ed4305cec00d0feb54f9052f1c6d2cbfa1dea2e014c841b2e57fc17626a9bb0) - June 29, 2005: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/2e/d4/2ed4305cec00d0feb54f9052f1c6d2cbfa1dea2e014c841b2e57fc17626a9bb0) - June 29, 2005: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/2e/d4/2ed4305cec00d0feb54f9052f1c6d2cbfa1dea2e014c841b2e57fc17626a9bb0) - June 29, 2005: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/2e/d4/2ed4305cec00d0feb54f9052f1c6d2cbfa1dea2e014c841b2e57fc17626a9bb0) - May 17, 2005: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/36/ed/36ed8c58231463d356b54da457963b1baaeacfd586eebb15d43c91ccad0a5420) - May 17, 2005: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/36/ed/36ed8c58231463d356b54da457963b1baaeacfd586eebb15d43c91ccad0a5420) - May 17, 2005: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/36/ed/36ed8c58231463d356b54da457963b1baaeacfd586eebb15d43c91ccad0a5420) - November 5, 2004: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/06/bf/06bf5238220d174a6178f18935795957aa9f4f04c8bf2f508f03d5071a8b66a9) - November 4, 2004: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/06/bf/06bf5238220d174a6178f18935795957aa9f4f04c8bf2f508f03d5071a8b66a9) - November 4, 2004: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/06/bf/06bf5238220d174a6178f18935795957aa9f4f04c8bf2f508f03d5071a8b66a9) --- 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.