# STC SA8335SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Aircraft Systems & Mfg, United States
- Description: Installation of dual Trimble Model TNL 7900 Omega/VLF/GPS navigation system.
- Applied: April 2, 1992
- Status date: May 12, 1992
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/75/76/75766bfca3290f115ce0cbf0e15ae5b83fa90a68f45a0353d96066210219c7e1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8441933F82F2B1F485256CC20058E72B.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA8335SW

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 727-200 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))

## 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.

Hmtri SSma of arnica Bcpartment of transportation -rftdrral atriation administration Supplemental ITupe Certificate SA8335SW 190-1959 AAM Aircraft Systems & Manufacturing 302 Toledo Trail Georgetown, TX 78628 jvnce/* 'y4*v*>«^^^ A3 WE Boeing 727-200 ria* .

Installation of dual Trimble Model TNL 7900 Omega/VLF/GPS Navigation System in accordance with Aircraft Systems & Manufacturing, Inc, Top Drawing List Q0800-000, Revision A, dated April 30, 1992, or later FAA approved revision.

- Airplane Flight Manual Supplement dated May 12, 1992, or later FAA approved revision, is required. Compatibility of this modification with previously installed equipment must be determined by installer.

^u2^<^xi^yi<^^ 2' 1992 May 12' 1992 ^*/snj£ , •*• jj ACujTjx J\. • — -___— — — —~/"Sf r ~ ~ —----_,- V^^^P' oY /Special Certification Office\>/A, ' .k^ ^ (/ (Title)

Thu certificate ma) be transferred in accordance u-ilfi FAR 21.47.

fAAFotM 8110-2 (10-68)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and <YP code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and <7P code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- May 12, 1992: Issued, Current. [certificate](https://openairdocs.org/files/sha256/75/76/75766bfca3290f115ce0cbf0e15ae5b83fa90a68f45a0353d96066210219c7e1)

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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.
