# STC SA741NW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Kenmore Air EDO Floats LLC, United States
- Description: Installation of EDO-AIRE Model689-2130 seaplane floats.
- Applied: March 14, 1979
- Status date: February 14, 2018
- Product: Aircraft, Single-Engine
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A21CE](https://openairdocs.org/tcds/A21CE)
- Certificate PDF: https://openairdocs.org/files/sha256/b9/ae/b9ae0913a3ec2d23cc35b5116e05162a510cffa5bd881902d72917c19539ac7e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A441EA453FC063BB86258236004E4DA1.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA741NW

## ADs that name it (0)

None.

## Approved models (1)

- American Champion Aircraft Corp. 8GCBC ([TCDS A21CE](https://openairdocs.org/tcds/A21CE))

## 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.

Un ited S tates of Am erica Department of Transportation - Federal Aviation Administration Supplemental Type Certificate

Number SA741NW

This certificate, issued to: Kenmore Air EDO Floats, LLC 6321 NE 175th Street Seattle, WA 98155-4898

Part 23 of the Federal Aviation Regulations.

Original ProductType Certificate Number: A21CE Make: Bellanca Model: 8GCBC (Seaplane)

Description of the Type Design Change: Installation of Kenmore Air EDO Floats, LLC Model 689-2130 seaplane floats in accordance with the data listed in Part A of Kenmore Air EDO Floats, LLC Report Number ECC-R-443, Revision D, dated December 21, 2017, or later FAA-approved revision. Operation per EDO-AIRE Flight Manual Supplement Number E-1 (Report Number ECC-R-452) FAA-approved, dated June 4, 1980, or later FAA-approved revision.

Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only.

This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft.

A copy of this certificate must be maintained as part of the permanent records for the modified aircraft.

Date of application: March 14, 1979 Date reissued: 5/17/79; 8/20/82; 8/12/83; 4/16/97; 7/31/98 Date of issuance: April 10, 1979 Date amended: 6/4/80; 7/31/98; 1/14/10; 2/12/10; 2/14/18

FAA FORM 8110-2 (5/14) PAGE 1 OF 3 PAGES By direction of the Administrator

(Signature)

Manager, Seattle ACO Branch (Title)

Un ited S tates of Am erica Department of Transportation - Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet)

Number SA741NW

Kenmore Air EDO Floats, LLC Issued: April 10, 1979 Reissued: 5/17/79; 8/20/82; 8/12/83; 4/16/97; 7/31/98 Amended: 6/4/80; 7/31/98; 1/14/10; 2/12/10; 2/14/18

1. This supplemental type certificate (STC) is limited to those airplanes that incorporate the Bellanca seaplane conversion Kit Number 244 and required seaplane equipment for the particular airplane except as modified or added to by the data specified in the STC.

2. This STC is only eligible on the following listed airplane Serial Numbers:

1-74, 37-74, 29-75, 135-75 through 187-75, 188-76 through 235-76, 236-77 through 260-77, 261-78 through 289-78, 290-79 through 330-79, 331-80 through 356-80, 358-80 360-80, 357-84, 359-84, 361-91 and up

3. Placards on Type Certificate Data Sheet A21CE apply.

4. This modification is also eligible on airplanes equipped with a Hartzell HC-C2YK-1BF/F7666A-0 constant speed propeller in accordance with STC SA742NW, and/or the Bellanca 72 gallon fuel system in accordance with STC SA743NW.

- END -

**FAA FORM 8110-2 (5/14) PAGE 3 OF 3 PAGES**

## Every issue (3)

- February 14, 2018: Amended, Current. [certificate](https://openairdocs.org/files/sha256/b9/ae/b9ae0913a3ec2d23cc35b5116e05162a510cffa5bd881902d72917c19539ac7e)
- February 12, 2010: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/97/0e/970e022db8a6b3d074d2a95f0a81ec895e7338bd95b815bc6123845fbd6a3cc3)
- January 14, 2010: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/7e/e2/7ee2a535fa190e1850514845e956c968a09eaa82cd121778e510f74ed8b93cdd)

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