# STC SA21NW - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Kenmore Air Harbor Inc, United States - Description: Installation of a 70 pound baggage compartment in either or both EDO 89-2000, 89A-2000 or 689-2130 floats - Applied: March 24, 1970 - Status date: April 5, 2019 - Product: Aircraft, Small Airplane - Certification basis: Part 3, Part 21, Part 23 - Data sheets: [TCDS A-759](https://openairdocs.org/tcds/A-759), [TCDS A21CE](https://openairdocs.org/tcds/A21CE), [TCDS A-754](https://openairdocs.org/tcds/A-754), [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS A-799](https://openairdocs.org/tcds/A-799), [TCDS A-780](https://openairdocs.org/tcds/A-780), [TCDS 1A2](https://openairdocs.org/tcds/1A2), [TCDS 1A4](https://openairdocs.org/tcds/1A4), [TCDS 1A6](https://openairdocs.org/tcds/1A6), [TCDS 2A13](https://openairdocs.org/tcds/2A13), [TCDS A-802](https://openairdocs.org/tcds/A-802), [TCDS A22NM](https://openairdocs.org/tcds/A22NM) - Certificate PDF: https://openairdocs.org/files/sha256/6a/37/6a370d5dd5024c347b9b5e41f4f9a06ca3945195fa3ec73e24ab344bc0f853b9 - Approved model list and other attachments: [SA21NW_AML.pdf](https://openairdocs.org/files/sha256/72/78/727800513a5bad8833a67bd13c6128015c1056a38d36fb65a5d1fd24f32c8f1d) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1468B9A5742C107C862585CE004596B2.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA21NW ## ADs that name it (0) None. ## Approved models (17) - American Champion Aircraft Corp. 7GCBC ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 8GCBC ([TCDS A21CE](https://openairdocs.org/tcds/A21CE)) - Arctic Aircraft Company Inc. S-1B2 ([TCDS A-754](https://openairdocs.org/tcds/A-754)) - Cessna Aircraft Company 170 ([TCDS A-799](https://openairdocs.org/tcds/A-799)) - Cessna Aircraft Company 172 ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - FS 2003 Corp. PA-12S ([TCDS A-780](https://openairdocs.org/tcds/A-780)) - Piper Aircraft Inc. PA-18S ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-20S ([TCDS 1A4](https://openairdocs.org/tcds/1A4)) - Piper Aircraft Inc. PA-22S-135 ([TCDS 1A6](https://openairdocs.org/tcds/1A6)) - Piper Aircraft Inc. PA-22S-150 ([TCDS 1A6](https://openairdocs.org/tcds/1A6)) - Piper Aircraft Inc. PA-22S-160 ([TCDS 1A6](https://openairdocs.org/tcds/1A6)) - Piper Aircraft Inc. PA-28S-160 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28S-180 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Rogers Burl A. 15AC ([TCDS A-802](https://openairdocs.org/tcds/A-802)) - Sky International Inc. A-1 ([TCDS A22NM](https://openairdocs.org/tcds/A22NM)) - Sky International Inc. A-1A ([TCDS A22NM](https://openairdocs.org/tcds/A22NM)) - Sky International Inc. A-1B ([TCDS A22NM](https://openairdocs.org/tcds/A22NM)) ## 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. Number SA21NW This certificate, issued to Kenmore Air Harbor, LLC. 6321 NE 175th Street Kenmore, WA 98028 certifies that the change in the type design for the following product with the limitations and conditions Original ProductType Certificate Number: *See Attached Approved Model List Number Make: SA21NW for List of Approved Airplane Models Model: and Applicable Airworthiness Regulations Description of the Type Design Change: Installation of a 70-pound baggage compartment in either or both EDO 89-2000, 89A-2000 or 689-2130 floats, in accordance with Kenmore Air Harbor, Inc. Installation Instructions K6124, dated February 16, 2009, or later FAA-approved revision, and the appropriate Kenmore Air Harbor drawing listed on Approved Model List (AML) SA21NW, dated September 25, 2009, or later FAA-approved revision. Limitations and Conditions: The weight and balance report must be amended to include the additional 70 or 140-pound baggage capacity. Approval of this change in type design applies only to the models listed on FAA-approved Model List No. SA21NW, and should not be extended to other aircraft of these models on which other previously approved modifications are incorporated, unless it is determined by the installer that the relationship between this change and any other previously approved modifications, including chan ges in type design, will introduce no adverse effect upon the airworthiness of that aircraft. It has been determined that Instructions for Continued Airworthiness (ICA) are not necessary for this change. A copy of this certificate, and AML SA21NW, must be maintained as part of the permanent records for the modified aircraft. If the holder agrees to permit another person to use this certificate to alter the pro duct, the holder shall give the other person written evidence of that permission. Date of application: March 24, 1970 Date reissued: March 11, 1976; April 5, 2019 Date of issuance: December 18, 1972 Date amended: September 7, 1973; October 29, 1982; May 15, 1990; July 17, 2002; September 25, 2009 FAA FORM 8110-2 (5/14) PAGE 1 OF 2 PAGES By direction of the Administrator (Signature) Acting Manager, Seattle 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 or Type) (Address of Grantor) (Number and Street) (City, State, and ZIP Code) Signature of Grantor (In Ink): U.S. GPO: 1987-763-289 ### SA21NW_AML.pdf FAA APPROVED MODEL LIST (AML) No. SA21NW for KENMORE AIR HARBOR, INC Installation of 70 Pound. Baggage Compartments in EDO Model 89-2000, 89A-2000 and 689-2130 Floats ORIGINAL ISSUE DATE: December 18, 1972 Amended: September 25, 2009 Page 1 of 2 **FAA APPROVED DRAWING /** **DRAWING LIST** **ITEM A IRCRAFT MAKE AIRCRAFT MODEL** **ORIGINAL TYPE** **CERTIFICATE NUMBER** CERTIFICATION BASIS FOR ALTERATION NUMBER Revision No. And Date Or Later FAA-Approved Revision AFM SUPPLEMENT NO. **AND DATE AML** AMENDMENT DATE 1 Cessna 170 A-799 CAR Part 03, dated 12-15-46, Amended by 03-1 thru 03-3 K-300 Revision C, 02-16-2009 None 09-25-2009 2 Cessna 172 3A12 CAR Part 03, dated 11-01-1949, Amended by 03-1 thru 03-12 K-300 Revision C, 02-16-2009 None 09-25-2009 3 American Champion (Champion) (Aeronca) 7GCBC A-759 CAR 4a., Amended 04-07-1950, Except 4a.532(m), also FAR 23, 25 and 123.959, dated 02-01-1965 K-300 Revision C, 02-16-2009 None 09-25-2009 4 Piper PA12S A-780 T.C. No. 780 (CAR 3) K-300 Revision C, 02-16-2009 None 09-25-2009 5 Piper PA18S 1A2 T.C. No. 1A2 (CAR 3) K-300 Revision C, 02-16-2009 None 09-25-2009 6 Piper PA20S 1A4 T.C. No. 1A4 (CAR 3) K-300 Revision C, 02-16-2009 None 09-25-2009 7 Piper PA22S 1A6 CAR 3, dated 11-01-1949, Amended 3-1 thru 3-6, dated 06-04-1951 K-300 Revision C, 02-16-2009 None 09-25-2009 8 Piper PA28S 2A13 CAR 3, dated 05-15-1956 Amended 3-1 and 3-2, also CAR 3.304 and 3.705 of Amendment 3-7 dated 05-03-1962 K-300 Revision C, 02-16-2009 None 09-25-2009 9 Aeronca 15AC A-802 CAR 3 and Type Certificate No. 802 K-300 Revision C, 02-16-2009 None 09-25-2009 FAA APPROVED MODEL LIST (AML) No. SA21NW for KENMORE AIR HARBOR, INC Installation of 70 Pound. Baggage Compartments in EDO Model 89-2000, 89A-2000 and 689-2130 Floats ORIGINAL ISSUE DATE: December 18, 1972 Amended: September 25, 2009 Page 2 of 2 **FAA APPROVED DRAWING /** **DRAWING LIST** **ITEM A IRCRAFT MAKE AIRCRAFT MODEL** **ORIGINAL TYPE** **CERTIFICATE NUMBER** CERTIFICATION BASIS FOR ALTERATION NUMBER Revision No. And Date Or Later FAA-Approved Revision AFM SUPPLEMENT NO. **AND DATE AML** AMENDMENT DATE 10 Arctic S1B2 A-754 Type Cert ificate No. 754 (CAR 4a) K-300 Revision C, 02-16-2009 None 09-25-2009 11 American Champion (Bellanca) 8GCBC A21CE Part 23, dated 02-01-1965 Amended by 23-1 thru 23-6 and FAR 36, Amended 36-9 K-300 Revision C, 02-16-2009 None 09-25-2009 12 Sky International (Aviat) (Christen) A-1, A-1A, A-1B A22NM FAR 23, dated 02-01-1965, as Amended by 23-1 thru 23-31 (Normal Category) K-300 Revision C, 02-16-2009 None 09-25-2009 FAA Approved: Acting Manager, Seattle Aircraft Certification Office Amended: October 29, 1982; May 15, 1990; July 17, 2002; January 13, 2004; September 25, 2009 Original Signed by Philip L. Forde ## Every issue (2) - April 5, 2019: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/6a/37/6a370d5dd5024c347b9b5e41f4f9a06ca3945195fa3ec73e24ab344bc0f853b9), [SA21NW_AML.pdf](https://openairdocs.org/files/sha256/72/78/727800513a5bad8833a67bd13c6128015c1056a38d36fb65a5d1fd24f32c8f1d) - September 25, 2009: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/1e/39/1e394763de3d7bc15020c0dd00f7b01d426f35a878b10e67faa88762d30cf49b), [SA21NW_AML.pdf](https://openairdocs.org/files/sha256/72/78/727800513a5bad8833a67bd13c6128015c1056a38d36fb65a5d1fd24f32c8f1d) --- 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.