# STC SA02321AK - Type: Supplemental type certificate - Status: Current, Issued - Holder: X-Winds S.T.O.L. Inc., United States - Description: Installation of EDO 89-2000 floats modified - Applied: June 3, 2008 - Status date: August 29, 2008 - Product: Aircraft, Small Multi-Engine - Certification basis: Part 21, Part 23 - Data sheets: [TCDS A-759](https://openairdocs.org/tcds/A-759), [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS A-799](https://openairdocs.org/tcds/A-799), [TCDS 1A2](https://openairdocs.org/tcds/1A2), [TCDS 1A4](https://openairdocs.org/tcds/1A4), [TCDS 1A6](https://openairdocs.org/tcds/1A6), [TCDS A-802](https://openairdocs.org/tcds/A-802), [TCDS A-797](https://openairdocs.org/tcds/A-797), [TCDS A-780](https://openairdocs.org/tcds/A-780), [TCDS 3A23](https://openairdocs.org/tcds/3A23), [TCDS A22NM](https://openairdocs.org/tcds/A22NM) - Certificate PDF: https://openairdocs.org/files/sha256/ef/61/ef618526cc579c0836c7b14d7aa6b935583c685ab674598cf5648ffb89a1c78b - Approved model list and other attachments: [SA02321AK_aml.pdf](https://openairdocs.org/files/sha256/02/28/02285f15eacc4ae6586b2a955f56a83d65a0b927b41644354a28645f12c12e0a) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4D15F4D2B65E2609862576BF004F3199.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA02321AK ## ADs that name it (0) None. ## Approved models (64, first 50) - American Champion Aircraft Corp. 7GCBC ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - Cessna Aircraft Company 170 ([TCDS A-799](https://openairdocs.org/tcds/A-799)) - 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)) - Cessna Aircraft Company 172 ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Cessna Aircraft Company 172A ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Cessna Aircraft Company 172B ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Cessna Aircraft Company 172C ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Cessna Aircraft Company 172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Cessna Aircraft Company 172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Cessna Aircraft Company 172F ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Cessna Aircraft Company 172F (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Cessna Aircraft Company 172G ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Cessna Aircraft Company 172H ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Cessna Aircraft Company 172H (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Cessna Aircraft Company 172I ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Cessna Aircraft Company 172K ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Cessna Aircraft Company 172L ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Cessna Aircraft Company 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Cessna Aircraft Company 172N ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Cessna Aircraft Company 172P ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Cessna Aircraft Company 172Q ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Cessna Aircraft Company 172R ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Cessna Aircraft Company 172S ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - FS 2002 Corp. PA-14 ([TCDS A-797](https://openairdocs.org/tcds/A-797)) - FS 2003 Corp. PA-12S ([TCDS A-780](https://openairdocs.org/tcds/A-780)) - Maule Aerospace Technology Inc. M-4 ([TCDS 3A23](https://openairdocs.org/tcds/3A23)) - Maule Aerospace Technology Inc. M-4-180C ([TCDS 3A23](https://openairdocs.org/tcds/3A23)) - Maule Aerospace Technology Inc. M-4-180S ([TCDS 3A23](https://openairdocs.org/tcds/3A23)) - Maule Aerospace Technology Inc. M-4-180T ([TCDS 3A23](https://openairdocs.org/tcds/3A23)) - Maule Aerospace Technology Inc. M-4-180V ([TCDS 3A23](https://openairdocs.org/tcds/3A23)) - Maule Aerospace Technology Inc. M-4-210 ([TCDS 3A23](https://openairdocs.org/tcds/3A23)) - Maule Aerospace Technology Inc. M-4-210C ([TCDS 3A23](https://openairdocs.org/tcds/3A23)) - Maule Aerospace Technology Inc. M-4-210S ([TCDS 3A23](https://openairdocs.org/tcds/3A23)) - Maule Aerospace Technology Inc. M-4-210T ([TCDS 3A23](https://openairdocs.org/tcds/3A23)) - Maule Aerospace Technology Inc. M-4-220 ([TCDS 3A23](https://openairdocs.org/tcds/3A23)) - Maule Aerospace Technology Inc. M-4-220C ([TCDS 3A23](https://openairdocs.org/tcds/3A23)) - Maule Aerospace Technology Inc. M-4-220S ([TCDS 3A23](https://openairdocs.org/tcds/3A23)) - Maule Aerospace Technology Inc. M-4-220T ([TCDS 3A23](https://openairdocs.org/tcds/3A23)) - Maule Aerospace Technology Inc. M-4C ([TCDS 3A23](https://openairdocs.org/tcds/3A23)) - Maule Aerospace Technology Inc. M-4S ([TCDS 3A23](https://openairdocs.org/tcds/3A23)) - Maule Aerospace Technology Inc. M-4T ([TCDS 3A23](https://openairdocs.org/tcds/3A23)) - Piper Aircraft Inc. PA-18 ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18-105 (Special) ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18-125 (Army L-21A) ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18-135 ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18-150 ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18A ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18A-135 ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18A-150 ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) All 64: https://openairdocs.org/stc/SA02321AK/models.md ## 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. This Certificate issued to Part 23 of the Federal Aviation Regulations. Installation of EDO 89-2000 floats modified in accordance with STC SQ02320AK. The installation of one welded aluminum structure embedded in a cast urethane “waterwing” on each float is approved by STC SQ02320AK. 1. For Instructions for Continued Airworthiness refer to X-Winds S.T.O.L., Inc. Document Number WW-011, dated August 25, 2008, Rev. A, or later FAA approved revision. 2. 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. 3. The installer must determine whether this design change is compatible with previously approved modifications. X-Winds S.T.O.L., Inc. P.O. Box 298783 Wasilla, AK 99629 **See Approved Model List (AML) No. SA02321AK Revision Original, dated August 29, 2008, or later FAA approved revision** Make : ( Signature) Gregory J. Holt Manager Anchorage Aircraft Certification Office ( Title) Date of application : June 3, 2008 Date of issuance : August 29, 2008 ### SA02321AK_aml.pdf FAA APPROVED MODEL LIST (AML) SA02321AK FOR X-Winds S.T.O.L., Inc. Revision: Original STC Issue date: August 29, 2008 Aircraft Make Aircraft Model Type Certificate Data Sheet Aircraft Certification Basis Required Approved Data and Added model Specific Limitations AML Amendment Date Aeronca (Rogers) S15AC A-802 CAR 04 Cessna 170 series A-799 CAR 3 (1949) Cessna 172 series 3A12 CAR 3, Part 23 Champion 7GCBC A-759 CAR 4a Piper PA-12S A-780 CAR 3 Piper PA-14 A-797 CAR 3 Piper PA-18 series 1A2 CAR 3 Piper PA-20 1A4 CAR 3 Piper PA-22 1A6 CAR 3 (1951) Maule M-4 M-4 series 3A23 CAR 3 Sky Int’l (Aviat) A-1, A-1A, A-1B A22NM Part 23-31 STC No. Airplane Flight Manual Supplement: **NONE** Installation Instructions: XWIND-WW-009 Revision A Dated 24July 2008 Instructions for Continued Airworthiness: XWINDS-WW-011, revision A Dated 25 August 2008 Equipment Configuration: **NOT APPLICABLE** Additional Limitations: Additional Documents NONE FAA APPROVED:_____________________________________ Manager, Anchor age Aircraft Certification Office Federal Aviation Administration Anchorage, Alaska Date: August 29, 2008 ## Every issue (1) - August 29, 2008: Issued, Current. [certificate](https://openairdocs.org/files/sha256/ef/61/ef618526cc579c0836c7b14d7aa6b935583c685ab674598cf5648ffb89a1c78b), [SA02321AK_aml.pdf](https://openairdocs.org/files/sha256/02/28/02285f15eacc4ae6586b2a955f56a83d65a0b927b41644354a28645f12c12e0a) --- 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.