# STC SA2770SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: RAM Aircraft Modifications Inc, United States
- Description: Installation of Cleveland heavy duty brakes.
- Applied: March 15, 1978
- Status date: May 9, 1978
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A25](https://openairdocs.org/tcds/3A25)
- Certificate PDF: https://openairdocs.org/files/sha256/94/dd/94dd04908894a45d72acd5327ad0e96cc4ce22ad0e3931810a0d84df02236710
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E64B111B2938B91685256CC20008C8C9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2770SW

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company 340 ([TCDS 3A25](https://openairdocs.org/tcds/3A25))

## 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.

ttititrfl States or ararrica Bepartmcnt of Transportation-federal 3triation administration Supplemental ICjipe (Certificate *yKivm€wr' SA2770SH Aircraft Modifications, Inc.

P. 0, Box 5219 Waco, Texas 76708 Project A4063SW-S RB-213 iSlegata/<4 'ivwStM>dt^ 3 '^f Civil Air 3A25 Cessna 340 Installation of Cleveland heavy duty brakes according to Report No. RAM 340-10 dated torch 15, 197S, or later FAA approvad revision.

Compatibility of this modification with other previously approved modifications must bft determined by the installer.

March 15, 1978 May 9f 1978 «™««Don P. Watson Chief, Engineering and Manufacturing Branch Ary alteration of this certificate is punishable by a fine of not exceeding SI ,000, or imprisonment not exceeding 3 years, nr both.

This certificate may bt trttnsfetrfd in accordantr u>tth FAR 21.17.

FAAFotM 61 10-2 (10-68)

## Every issue (1)

- May 9, 1978: Issued, Current. [certificate](https://openairdocs.org/files/sha256/94/dd/94dd04908894a45d72acd5327ad0e96cc4ce22ad0e3931810a0d84df02236710)

---
From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.