STC SA523NW

Supplemental type certificate · Kenmore Air Harbor LLC

Holder
Kenmore Air Harbor LLC · United States
Status
Current · Reissued
Status date
April 5, 2019
Applied
September 26, 1977
Product
Aircraft · Small Airplane
Certification basis
Part 21
Data sheet
TCDSA-806

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 5, 2025.

What it approves

Installation of float hatch covers on Edo 58-4580, 348-4580 or 679-4930 floats.

What the certificate says

From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.

Number SA523NW

This certificate, issued to Kenmore Air Harbor, LLC.

6321 NE 175th Street Kenmore, WA 98028

Part 10 of the Civil Air Regulations Equivalent to CAR 3, dated November 13, 1945; and FAR 21.29(a)(1)(ii).

Original ProductType Certificate Number: A-806 Make: DeHavilland Model: DHC-2 Mk I and Mk III

Description of the Type Design Change: Installation of float hatch kits on Edo (Bristol) model 58-4580, 348-4580, or 679-4930 seaplane floats in accordance with Kenmore Air Harbor, Inc. Installation Instructions No. K9011 dated September 21, 1977 and Float Hatch Installation Drawing Tree, K-250-1, dated February 24, 2005 or later Federal Aviation Administration approved revisions.

Limitations and Conditions: Approval of this change in type design applies basically 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 shall 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 product, the holder shall give the other person written evidence of that permission.

Date of application: September 26, 1977 Date reissued: April 5, 2019 Date of issuance: October 11, 1977 Date amended: March 28, 1986; May 20, 2005

FAA FORM 8110-2 (5/14) PAGE 1 OF 2 PAGES

(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

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 2

MakeModelData sheet
de Havilland Inc. (Canada)DHC-2 Mk.IA-806
de Havilland Inc. (Canada)DHC-2 Mk.IIIA-806

Every issue · 2

DRS keeps each issue of an STC as its own record, with its own certificate and attachments.

DateStatusFiles
April 5, 2019Reissued, currentCertificate
May 20, 2005Amended, earlier issueCertificate