# STC SA1-644

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Copper River Airmotive LLC, United States
- Description: Installation of Edo 89-2000 floats, water rudder and seaplane fin.
- Applied: September 20, 1961
- Status date: February 10, 2006
- Product: Aircraft, Single-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A-797](https://openairdocs.org/tcds/A-797)
- Certificate PDF: https://openairdocs.org/files/sha256/6e/9c/6e9c65e620e1affeab82c7276d5e0c0af4182d292f5a20489faaf8d932f23804
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CC64A804C36330C0862571480071D353.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1-644

## ADs that name it (0)

None.

## Approved models (1)

- The New Piper Aircraft Inc. PA-14 ([TCDS A-797](https://openairdocs.org/tcds/A-797))

## 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 SA1-644 This certificate issued to Copper River Airmotive, LLC HC 60, Box 251B Copper Center, AK 99573

Part 3 of the Civil Air Regulations.

Original Product -- Type Certificate Number: A-797 Make : Piper

Model : PA–14

Installation of Edo 89-2000 floats, water rudder and seaplane fin in accordance with Item 204 of Aircraft Specification A-780 in combination with PA-18 tail surfaces and Lycoming 0-320, 150 hp engine, installed in accordance with Susquehanna Aero-Marine STC SA1-573 and Installation Instruction Sheet 1, dated September 20, 1961.

1. Susquehanna Aero-Marine Aircraft Flight Manual Supplement, dated 11/14/61, is required with this installation.

2. Compatibility of this design change with previously approved modifications must be determined by the installer.

3. 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 20, 1961

Date of issuance : November 14, 1961 Date reissued : August 6, 1990, November 3, 1995, November 24, 2000, February 10, 2006

( Signature) Anthony Socias Manager, New York Aircraft Certification Office

(Title) (transferred to Anchorage ACO)

FAA Form 8110-2-1(10-69) Page 2 of 2

## Every issue (1)

- February 10, 2006: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/6e/9c/6e9c65e620e1affeab82c7276d5e0c0af4182d292f5a20489faaf8d932f23804)

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