# STC SA02854CH - Type: Supplemental type certificate - Status: Current, Issued - Holder: Baumann Floats LLC, United States - Description: Installation of Baumann Floats LLC models BF2550A amphibious floats - Applied: February 23, 2010 - Status date: May 25, 2022 - Product: Aircraft, Single-Engine - Data sheets: [TCDS A-799](https://openairdocs.org/tcds/A-799) - Certificate PDF: https://openairdocs.org/files/sha256/72/57/725770793926498c78eeee454294bc673a7c32a3a02a22fd72cd4c3289f31af0 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101983929220230331195644.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA02854CH ## ADs that name it (0) None. ## Approved models (2) - Cessna Aircraft Company 170A ([TCDS A-799](https://openairdocs.org/tcds/A-799)) - Cessna Aircraft Company 170B ([TCDS A-799](https://openairdocs.org/tcds/A-799)) ## 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. FAA FORM 8110-2(10-68) PAGE 1 of 3 PAGES N umber SA02854CH Reissued on 05/25/22 to supersede the original STC, which has been lost or misplaced. This certificate issued to Baumann Floats, LLC 255 West 35th Avenue Oshkosh, WI 54902 Part 03 of the Civil Aviation Regulations. (See Sheet 3 for complete certification basis.) Original Product--Type Certificate Number : A-799 Make : Cessna Aircraft Company Model : 170A, 170B Description of Type Design Change: Installation of Baumann Floats LLC models BF2550A amphibious floats according to Drawing List BF2550A-03, Revision A, dated June 16, 2010, or later FAA approved revisions; or Installation of BF2550 straight seaplane floats according to Drawing L ist BF2550-03, Revision A, dated June 16, 2010, or later FAA approved revision. L imitations and Conditions: 1. The installer must determine whether this design change is compatible with previously approved modifications. 2. Aircraft must be modified by Cessna Aircraft Company seaplane structural modifications item number 0541132, 0541132-1, 0541129, 0541128, 0541131, 0541131-1, 0341118, 03411126, 05411130, 0541127, and 0552001-60 with attaching hardware as listed on Cessna Aircraft Company engineering drawing 0541125 prior to installation of amphibious or straight floats. 3. FAA Approved Airplane Flight Manual Supplement dated June 18, 2010, or later FAA Approved revision is required with this modification. 4. If the holder agrees to permit another person to use this certificate to alter the product, the holder must give the other person written evidence of that permission. Date of application : February 23, 2010 Date reissued : May 25, 2022 Date of issuance : June 23, 2010 Date amended : (Signature) Monica L. Nemecek Manager, Airframe & Administrative Services Section Chicago ACO Branch (Title) Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ZIP code) from (Name of grantor) (Print of type) (Address of grantor) (Number and street) (City, State, and ZIP code) Signature of grantor (In ink): FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES N umber SA02854CH Date of Issuance: June 23, 2010 Date Reissued: May 25, 2022 Certification Basis (Continued) The certification basis for the Cessna Aircraft Company models identified on Page 1 of this certificate is as follows: a. The type certification basis for the Cessna Aircraft Company models identified on Page 1 of this certificate is shown on TCDS A-799 for parts not changed or not affected by this change. b. The type certification basis for the parts changed or affected by this change since the reference date of application, February 23, 2010, is shown on TCDS A-799. Additionally, the applicant has voluntarily complied with 14 CFR Part 23 as amended by Amendment 23-0. Regulations at amendment 23-0 14 CFR § 23.1, 23.29, 23.49 – 23.65, 23.75 – 23.77, 23.141 – 23.145, 23.161 - 23.177, 23.181 – 23.203, 23.207 – 23.307, 23.471 – 23.493, 23.521, 23.601 – 23.615, 23.623 - 23.629, 23.751, 23.771 – 23.773, 23.777, 23.781, 23.1301, 23.1307, 23.1323, 23.1351, 23.1357 – 23.1367, 23.1345, 23.1501, 23.1519, 23.1541, 23.1555, 23.1559, 23.1581 – 23.1589 - END - ## Every issue (2) - May 25, 2022: Issued, Current. [certificate](https://openairdocs.org/files/sha256/72/57/725770793926498c78eeee454294bc673a7c32a3a02a22fd72cd4c3289f31af0) - June 23, 2010: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/1e/b7/1eb79d626c8c21b8b8e619010c35f578320ae38ef840003431f2e151d34eb265) --- 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.