# STC SA571NW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Kenmore Air Harbor LLC, United States
- Description: Installation of Skymotive Inc right hand door
- Applied: February 16, 1978
- Status date: April 5, 2019
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A24](https://openairdocs.org/tcds/3A24)
- Certificate PDF: https://openairdocs.org/files/sha256/88/38/8838c5a0f7618f5576de74d6f2fd73394ec468e91f545abca39952baf0186e89
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/834636F8C5787ACF862585CE00548DFD.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA571NW

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company 185D ([TCDS 3A24](https://openairdocs.org/tcds/3A24))

## 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 SA571NW

This certificate, issued to Kenmore Air Harbor, LLC.

6321 NE 175th Street Kenmore, WA 98028

Part 3 of the Civil Air Regulations.

Original ProductType Certificate Number: 3A24 Make: Cessna Model: 185D (Seaplane)

Description of the Type Design Change: Installation of Skymotive, Inc. right hand door in accordance with Skymotive, Inc. Installation Instructions and Photos 1 and 2.

PLACARD: “DO NOT OPEN IN FLIGHT”

Limitations and Conditions: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Cessna 185D, Serial Number 1850947 only.

Date of application: February 16, 1978 Date reissued: April 5, 2019 Date of issuance: March 1, 1978 Date amended:

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

## Every issue (2)

- April 5, 2019: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/88/38/8838c5a0f7618f5576de74d6f2fd73394ec468e91f545abca39952baf0186e89)
- March 1, 1978: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/51/78/51789ef4261f101f82351daa90039971f79f806be4bdda9ce1d033e9b56bb013)

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