# STC SA4704NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Long's Aircraft Service, United States
- Description: Installation of an Anti-Skid pressure accumulator module for the hydraulic brake system.
- Applied: November 17, 1986
- Status date: February 17, 1989
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS 3A13](https://openairdocs.org/tcds/3A13), [TCDS 3A19](https://openairdocs.org/tcds/3A19), [TCDS 5A6](https://openairdocs.org/tcds/5A6), [TCDS A4CE](https://openairdocs.org/tcds/A4CE)
- Certificate PDF: https://openairdocs.org/files/sha256/79/59/7959ed4bfe12aec1ee1e0cb1942acff7ee3578deffa0779acc843f0d88029bee
- Approved model list and other attachments: [SA4704NM AML.pdf](https://openairdocs.org/files/sha256/b7/9c/b79c121d1f6515a39e229ec36b31655b2a12ac5f418ebc871e77c45a7949db92)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/961D35A7CF8261D785256CC2000E3E0F.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4704NM

## ADs that name it (0)

None.

## Approved models (99, first 50)

- Cessna Aircraft Company 150 ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150A ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150B ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150C ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150D ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150E ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150F ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150G ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150H ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150J ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150K ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150L ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150M ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 152 ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 172 ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172A ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172B ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172C ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172F (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172G ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172H (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172I ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172K ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172L ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172N ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172P ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172Q ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172R ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172S ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- 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 182 ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182A ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182B ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182C ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182D ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182E ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182F ([TCDS 3A13](https://openairdocs.org/tcds/3A13))

All 99: https://openairdocs.org/stc/SA4704NM/models.md

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SATANA This certificate issued to: Long's Aircraft Service Purt 3 ofthe Civil Air Regulations:

Original Product - Type bertificate Number: * *See attached FAA Approved Model List Make: * No. SA4704NM for list of approved aircraft models and applicable Model: * airworthiness regulations.

Description of Type Design Change: Installation of an Anti-Skid pressure accumulator module for the hydraulic brake system in accordance with Long's Aircraft Service Installation Instructions No. RON-10003 (Sh. 5) dated October 10, 1988, or later FAA approved revisions.

Limilaluns and bindilions: Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the relationship 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 and FAA Approved Model List No. SA4704NM, dated February 17, 1989, or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft.

This certificate and the supporting data which is the basis for approval shull remain in effect until seen rendered, suspended, versked, or a lermination dale is thorwise is lablished by the Administmiter f the Federal Aviation Administration Date of Application: November 17, 1986 Lute missued:

Date of Issuance: February 17, 1989 S ate unended:

FEDERAL AVIATION By Direction of the Administrator ( Signature TANIST RAIDE Acting Manager, Seattle Aircraft Certification Office (Title)

### SA4704NM AML.pdf

This is OCR from the scanned FAA attachment. OCR can misread letters and numbers.

**FAA APPROVED MODE ST (AML) NO. SA4704NM FOR**

INSTALLATION OF ANTI-SKID PRESSURE ACCUMULATOR MODULE Issue Date: February 17, 1989

**FAA SEALED**

**ORIGINAL CERTIFICATION DRAWING/**

TYPE BASIS DRAWING LIST AFM AML AIRCRAFT AIRCRAFT CERTIFICATE FOR REVISION NO. SUPPLEMENT AMENDMENT

ITEM MAKE MODEL NUMBER ALTERATION NUMBER AND DATE NUMBER/DATE DATE 1 CESSNA 150 Series' 3A19 CAR Part 3 RON-10003 REV. A 152 Series 3A19 CAR Part 3 (2/7/89) 172 Series| 3A12 CAR Part 3 180 Series: 5A6 CAR Part 3 182 Series 3A13 CAR Part 3 206 Series A4CE CAR Part 3 FAA Approved: DI. Pegga Aircraft Certification Office Date: February 17, 1989 Page 1 of 1

## Every issue (1)

- February 17, 1989: Issued, Current. [certificate](https://openairdocs.org/files/sha256/79/59/7959ed4bfe12aec1ee1e0cb1942acff7ee3578deffa0779acc843f0d88029bee), [SA4704NM AML.pdf](https://openairdocs.org/files/sha256/b7/9c/b79c121d1f6515a39e229ec36b31655b2a12ac5f418ebc871e77c45a7949db92)

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