# STC SA3505NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Turboplus Aircraft Systems, Inc., United States
- Description: Installation of a Turboplus, Inc., instrument sub-panel system.
- Applied: April 8, 1986
- Status date: February 24, 2017
- Product: Aircraft, Small Airplane
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A7SO](https://openairdocs.org/tcds/A7SO)
- Certificate PDF: https://openairdocs.org/files/sha256/60/68/6068fe819a87e5f88c112034d12578e01a2c53f7a12a49f3a22fa4cbae135d20
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/85A22E296C05DB18862580D5006456F2.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3505NM

## ADs that name it (0)

None.

## Approved models (2)

- Piper Aircraft Inc. PA-34-200T ([TCDS A7SO](https://openairdocs.org/tcds/A7SO))
- Piper Aircraft Inc. PA-34-220T ([TCDS A7SO](https://openairdocs.org/tcds/A7SO))

## 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.

United States of America Department of Transportation_Federal Aviation Administration Supplemental Type Certificate Number SA3505NM

This certificate, issued to Turboplus Aircraft Systems, Inc.

4117 35th Ave. NW Gig Harbor, WA 98335 Part 23 of the Federal Aviation Regulations.

Original Product Type Certificate Number: A7SO Make: Piper Model: PA-34-200T and PA-34-220T

Description of the Type Design Change: Installation of a Turboplus, Inc., instrument sub-panel system in accordance with Turboplus Master Drawing List No. 23000, dated March 28, 1986, or later FAA approved revision.

NOTE: The above sub-panel shall be located below the existing instrument panel on the right hand side.

Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to other aircraft of these models 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 must be maintained as part of the permanent records for the modified aircraft. 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.

Date of application: April 8, 1986 Date reissued: 10/30/87; 2/24/92; 10/25/00; 8/25/05;

10/15/07; 2/24/17 Date of issuance: June 2, 1986 Date amended: 10/25/00

(Signature) Manager, Technical & Administrative Support Staff Los Angeles Aircraft Certification Office (Title)

## Every issue (3)

- February 24, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/60/68/6068fe819a87e5f88c112034d12578e01a2c53f7a12a49f3a22fa4cbae135d20)
- October 15, 2007: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/76/12/76120fcd7f20d046ea6c5620f991a17581b017759ae3dd7f57bf51887d367eca)
- August 25, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/bd/2a/bd2aeedb198a0d483b31175e6925af6d567b40099fe20fdb5795292e6b93f34d)

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