# STC SA2942SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Granville Lasseter/dba Granville's Aircraft Strut Sealant, United States
- Description: Addition of Hydro Seal Fluid Additive to landing gear shock struts.
- Applied: January 11, 1979
- Status date: August 8, 1980
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 5A3](https://openairdocs.org/tcds/5A3)
- Certificate PDF: https://openairdocs.org/files/sha256/d5/4f/d54f45465a10e677150bc398b702d85c47ca976334e7ca70f8cd0d62e41ff504
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E0951EAA60CB342B85256CC20008CAFF.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2942SW

## ADs that name it (0)

None.

## Approved models (2)

- Beechcraft Corporation A45 (Military T-34A; B-45) ([TCDS 5A3](https://openairdocs.org/tcds/5A3))
- Beechcraft Corporation D45 (Military T-34B) ([TCDS 5A3](https://openairdocs.org/tcds/5A3))

## 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.

Duplicate copy issued on July 23, 2002 United £tattB of amtrica department of '(transportation -Jf edtral auiation administration >upplementalCertificate tJO SA2942SW Granville lABseter d/b/a Granville's Aircraft Strut Sealant 802 E. Grant Morton, Texas 79346 5 A3 Beech : Addition of Hydro Seal Fluid Additive to the landing gear shock struts according to Specifications dated 12/26/76, or later FAA approved revision.

Compatibility of this modification with other previously approved modifications must be determined by the Installer.

dsifdA'Widhe' SXdrm/nt&dfa January 11, 1979 March 21( 1979 August 8, 1980Revision 1 Original Sbaploj (Signature) Don P. Watson Chief, Engineering and Manufacturing Branch —_—

Ttiis certificate may be ttansftrrfd in accordance with FAR 21 -47.

fll 10-2(10-68)

INSTRUCTIONS: Tha transfer endorsement baloH may be used to notify the appropriate FAA Regional Office of the transfer of the Supplemental Typa Certificate.

The FAA will reissue the certificate in the name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee;

(Address of transferee) and street) (City, state, and ZIP code) from (Name of grantor)(Print or type) (Address of grantor) (Number £ street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink)

## Every issue (1)

- August 8, 1980: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d5/4f/d54f45465a10e677150bc398b702d85c47ca976334e7ca70f8cd0d62e41ff504)

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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.