# STC SA3-423

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: F.Atlee Dodge Aircraft Services, United States
- Description: Installation of CT-3000 tail ski on airplanes equipped with Scott 3200 or 3400 tail wheels.
- Applied: July 24, 1959
- Status date: February 9, 2023
- Product: Aircraft, Small Airplane
- Certification basis: Part 23
- Data sheets: [TCDS A21CE](https://openairdocs.org/tcds/A21CE), [TCDS 3A24](https://openairdocs.org/tcds/3A24), [TCDS 5A2](https://openairdocs.org/tcds/5A2), [TCDS 5A6](https://openairdocs.org/tcds/5A6), [TCDS A-768](https://openairdocs.org/tcds/A-768), [TCDS A-799](https://openairdocs.org/tcds/A-799), [TCDS A00006SE](https://openairdocs.org/tcds/A00006SE), [TCDS A-780](https://openairdocs.org/tcds/A-780), [TCDS 3A3](https://openairdocs.org/tcds/3A3), [TCDS 1A2](https://openairdocs.org/tcds/1A2), [TCDS 1A4](https://openairdocs.org/tcds/1A4), [TCDS A-802](https://openairdocs.org/tcds/A-802), [TCDS A-767](https://openairdocs.org/tcds/A-767), [TCDS A22NM](https://openairdocs.org/tcds/A22NM)
- Certificate PDF: https://openairdocs.org/files/sha256/d9/7d/d97ddb1fc30a1dc60323ce6a620845f3f99550537c6a855d5cdfb491970eb6a1
- Approved model list and other attachments: [SA3-423_AML.pdf](https://openairdocs.org/files/sha256/f3/de/f3dea574a2a1cfddca203ae866ea802d789c0bb7389d3c1989236232e861fa3c)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146402211520230609174210.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3-423

## ADs that name it (0)

None.

## Approved models (43)

- American Champion Aircraft Corp. 8GCBC ([TCDS A21CE](https://openairdocs.org/tcds/A21CE))
- Cessna Aircraft Company 120 ([TCDS A-768](https://openairdocs.org/tcds/A-768))
- Cessna Aircraft Company 140 ([TCDS A-768](https://openairdocs.org/tcds/A-768))
- Cessna Aircraft Company 140A ([TCDS 5A2](https://openairdocs.org/tcds/5A2))
- Cessna Aircraft Company 170 ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- Cessna Aircraft Company 170B ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- Cessna Aircraft Company 180 ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180A ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180B ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180C ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180D ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180E ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180F ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180G ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180H ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180J ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180K ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 185 ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company 185A ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company 185B ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company 185C ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company 185D ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company 185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company A185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company A185F ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cub Crafters Inc. CC18-180 ([TCDS A00006SE](https://openairdocs.org/tcds/A00006SE))
- FS 2003 Corp. PA-12 ([TCDS A-780](https://openairdocs.org/tcds/A-780))
- Helio Aircraft Corporation 15A ([TCDS 3A3](https://openairdocs.org/tcds/3A3))
- Helio Aircraft Corporation 20 ([TCDS 3A3](https://openairdocs.org/tcds/3A3))
- Piper Aircraft Inc. PA-18 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-19 (Army L-18C) ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-20 ([TCDS 1A4](https://openairdocs.org/tcds/1A4))
- 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))
- Sky International Inc. A-1C-180 ([TCDS A22NM](https://openairdocs.org/tcds/A22NM))
- Sky International Inc. A-1C-200 ([TCDS A22NM](https://openairdocs.org/tcds/A22NM))
- Univair Aircraft Corporation 108 ([TCDS A-767](https://openairdocs.org/tcds/A-767))
- Univair Aircraft Corporation 108-1 ([TCDS A-767](https://openairdocs.org/tcds/A-767))
- Univair Aircraft Corporation 108-2 ([TCDS A-767](https://openairdocs.org/tcds/A-767))
- Univair Aircraft Corporation 108-3 ([TCDS A-767](https://openairdocs.org/tcds/A-767))
- Univair Aircraft Corporation 108-5 ([TCDS A-767](https://openairdocs.org/tcds/A-767))

## 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.

This certificate issued to F. Atlee Dodge Aircraft Services 6672 Wes Way Anchorage, AK 99518

Part * of the * Regulations. *

Original Product--Type Certificate Number:* * (see attached FAA Approved Model Make : * List (AML) No. SA3-423 for list of Model :*

Approved models and applicable airworthiness regulations) Description of Type Design Change:

Installation of Wipaire Skis Inc. Model CT-3000 (Aircraft Skis) (FluiDyne) (Federal) Tail Ski according to Drawing No. 11G1453, Rev. B, or later FAA approved revisions, on airplanes equipped with Scott Model 3200 or 3400 Tail Wheels.

1. The installer must determine whether this design change is compatible with previously approved modifications.

2. A copy of this Certificate and FAA Approved Model List (AML) No. SA3-423, issued November 18, 2009, or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft.

3. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Date of application : July 24, 1959

Date reissued : May 21, 1991; February 16, 1993;

February 9, 2023 Date of issuance : August 7, 1959 Date amended : December 3, 1964; November 18, 2009

(Signature) Paul (Vu) Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service

(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 of type)

(Address of grantor) (Number and street)

(City, State, and ZIP code)

Signature of grantor (In ink):

### SA3-423_AML.pdf

FAA APPROVED MODEL LIST (AML) NO. SA3-423 F. ATLEE DODGE AIRCRAFT SERVICES FOR INSTALLING MODEL CT-3000 TAIL SKI ISSUE DATE: 11/18/09

**ITEM**

**AIRCRAFT**

**AIRCRAFT**

**ORIGINAL TYPE**

**CERTIFICATION BASIS**

**INSTALLATION**

**INSTRUCTIONS**

AFM

AML

**MAKE MODEL CERTIFICATE NUMBER FOR**

**ALTERATION**

**NUMBER**

**REVISION NO. & DATE**

**SUPPLEMENT**

**NUMBER/DATE**

**AMENDMENT DATE**

Page 1 of 1 1 Burl A. Rogers (Aeronca) 15AC A-802 CAR 3 Drawing No.

11G1453 Revision B N/A -- 2 Cessna Aircraft Company 120, 140 A-768 CAR 4a Drawing No.

11G1453 Revision B N/A -- 3 Cessna Aircraft Company 140A 5A2 CAR 4a Drawing No.

11G1453 Revision B N/A -- 4 Cessna Aircraft Company 170, 170B A-799 CAR 3 Drawing No.

11G1453 Revision B N/A -- 5 Cessna Aircraft Company 180, 180A 5A6 CAR 3 Drawing No.

11G1453 Revision B N/A -- 6 Piper Aircraft, Inc. PA-18, PA-19 1A2 CAR 3 Drawing No.

11G1453 Revision B N/A -- 7 Piper Aircraft, Inc. PA-20 1A4 CAR 3 Drawing No.

11G1453 Revision B N/A -- 8 Univair Aircraft Corporation 108, 108-1, 108-2, 108-3, 108-5 A-767 CAR 3 Drawing No.

11G1453 Revision B N/A -- 9 Helio Aircraft Corporation (Taylorcraft) 15A, 20 3A3 CAR 4a Drawing No.

11G1453 Revision B N/A -- 10 American Champion Aircraft 8GCBC A21CE FAR 23 Drawing No.

11G1453 Revision B N/A -- 11 The New Piper Aircraft, Inc.

PA-12 A21CE CAR 3 Drawing No.

11G1453 Revision B N/A -- 12 Cub Crafters, Inc CC18-180 A00006SE FAR 23 Drawing No.

11G1453 Revision B N/A --

FAA APPROVED:

Paul (Vu) Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service

Reissued: 2/9/2023

## Every issue (3)

- February 9, 2023: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d9/7d/d97ddb1fc30a1dc60323ce6a620845f3f99550537c6a855d5cdfb491970eb6a1), [SA3-423_AML.pdf](https://openairdocs.org/files/sha256/f3/de/f3dea574a2a1cfddca203ae866ea802d789c0bb7389d3c1989236232e861fa3c)
- April 16, 2010: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/62/5e/625ea31226062d365705d703f625a83ad1452911531606d1e74e516001897ec6), [SA3-423 AML.pdf](https://openairdocs.org/files/sha256/63/6c/636c1b3f137942731f58e5255f9ffce8a61a64bf74c2a6ce5622d3541b346c19)
- November 18, 2009: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/62/5e/625ea31226062d365705d703f625a83ad1452911531606d1e74e516001897ec6), [SA3-423 AML.pdf](https://openairdocs.org/files/sha256/d6/ac/d6ac58c6253e5bcdcc9e8282da20b9519bc3dbd85407bca7e1398f1ce06ab08f)

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