# STC SA09472SC

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Steinbach & Associates, Inc., United States
- Description: Modifications are only applicable to air conditioner systems.
- Applied: September 18, 1997
- Status date: February 14, 2000
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A25](https://openairdocs.org/tcds/3A25), [TCDS A7CE](https://openairdocs.org/tcds/A7CE), [TCDS A25CE](https://openairdocs.org/tcds/A25CE)
- Certificate PDF: https://openairdocs.org/files/sha256/ec/c7/ecc75c458bf2dc0eb990dbd0d427136574d0bc5c8e40336f454fd440b3e71a67
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A298680E6A43D72A85256CC1007F3B1F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA09472SC

## ADs that name it (0)

None.

## Approved models (8)

- Cessna Aircraft Company 335 ([TCDS 3A25](https://openairdocs.org/tcds/3A25))
- Cessna Aircraft Company 340 ([TCDS 3A25](https://openairdocs.org/tcds/3A25))
- Cessna Aircraft Company 401 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- Cessna Aircraft Company 402 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- Cessna Aircraft Company 404 ([TCDS A25CE](https://openairdocs.org/tcds/A25CE))
- Cessna Aircraft Company 414 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- Cessna Aircraft Company 421 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- Cessna Aircraft Company 425 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))

## 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.

States <f)t America of transportation - Jfehcral A&talicm Ahmtnt strati on & Associates, Inc.

2224 Carolinda Drive Waco, TX 76710 (K^rttftcateProject Number SA5945SC-A (GGR) rr/r/t'e-j //rr/ tff rJrrstpr //,, Srff /yyrr r/f^tprt ^r tff i$s/it/fe/trvkl '•/ ' .J/br/ * r-//rfi * .'jfy .- [see attached FAA Approved Model List (AML) No.; AML09472-1 for list .- Of Approvcd models and applicable airworthiness regulations]

e. Conversion of existing Cessna air conditioning system from R12 10 R134a refrigerant in accordance with Steinbach & Associates, Inc. top drawing list number 96060010 revision B, dated May 18, 1999 or later FAA Approved Revision.

). Modifications are only applicable to air conditioner systems that were installed at time ofairplance production under Type Certificates 3A25, A7CE, or A25CE. Compatibility of this design change with previously approved modifications must be determined by the installer. 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.

r/te/a, terfirA *j Mf fr t*f ff /s*sy?f//MrSffvi' r&z/f a/i/t/waf£#rr/r/>rfft".Jsi '>/ rt/,/// fv, .-September 18, 1997 .-April 15, 1998 . Rev. 1.February 14,2000 f&rrc/ecst ry Jfif ,^ {Signature} ^ S. Frances Cox Manager, Special Certification Office Southwest Region (Title) Any alteration of [his certificate by a fine of not exceeding $1,QQQ. or jng 3 years, or both.

FAA Fornx Slid-? (10-66) Page 1 of 1 This ceruficate fce Cransfsrred in accordance witft

[N.i J'RI 'CTION.S ]'|IL- iransf<-r rndorsrnirnl btlow may he uirti In inilifv rln- .ij>[ito|irialc FA A IVgiunal Off it r ol" ihf [ranslt't1 of (hi^ SiifjjjkLiii<^n(a] 'l'ypr Cf^rliln air Thr I'AA will rcisMir thf rt-rlilit die in llic name of Ihc Iranslerec and lorward i! lo him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number ___ __-— to (Name o/ transferfe) (Address of transferee) _ /umbfr and strrtf) ( City, State, a from (Name of grantor) (Print or type) (Address of grantor) t fffimbti and , Suit, and ^IP cade!

Signature of grantor (In ink):

FAA APPROVED MODEL LIST (AML) AML Number: AML09472-1 STC Number: SA09472SC Issued to: Steinbach & Associates, Inc.

Date of Issuance April 1 5, 1 998 2224 Carolina Drive Revision Number: 1 Waco, Texas 76710 Date of Revision: February 14, 2000 Item 1 2 3 4 5 6 7 8 Aircraft Make Cessna Cessna Cessna Cessna Cessna Cessna Cessna Cessna Aircraft Model 335 340 401 402 404 414 421 425 Original Type Certificate Number 3A25 3A25 A7CE A7CE A25CE A7CE A7CE A7CE Regulation/ Part CAR 3 CARS CAR 3 CARS CAR 3 CAR 3 CAR 3 CARS FAA Approved:

Date:

## Every issue (1)

- February 14, 2000: Amended, Current. [certificate](https://openairdocs.org/files/sha256/ec/c7/ecc75c458bf2dc0eb990dbd0d427136574d0bc5c8e40336f454fd440b3e71a67)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.