# STC SA2148NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Turboplus Aircraft Systems, Inc., United States
- Description: Installation of Turboplus engine nacelle cowl flaps.
- Applied: September 12, 1983
- Status date: February 24, 2017
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- Certificate PDF: https://openairdocs.org/files/sha256/3d/10/3d1087798e4d8e293775fca1790865eced7ca452461918e8fa025e56bbf64d4c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/02984E638D35B228862580D5005FDE4E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2148NM

## ADs that name it (0)

None.

## Approved models (3)

- Piper Aircraft Inc. PA-28-201T ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28R-201T ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28RT-201T ([TCDS 2A13](https://openairdocs.org/tcds/2A13))

## 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 SA2148NM

This certificate, issued to Turboplus Aircraft Systems, Inc.

4117 35th Ave. NW Gig Harbor, WA 98335 Part 3 of the Civil Air Regulations.

Original Product Type Certificate Number: 2A13 Make: Piper Model: PA-28R-201T, PA28R-202T & PA-28RT-201T

Description of the Type Design Change: Installation of a Turboplus, Inc., engine Nacell cowl flaps in accordance with Turboplus, Inc. Installation Instructions No. PA-28-10000, dated September 15, 1983, or later FAA approved revision.

PLACARD: Locate Adjacent to Actuator Handle.

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: September 12, 1983 Date reissued: 3/19/86; 10/30/87; 10/25/00; 8/25/05, 10/15/07; 2/24/17 Date of issuance: October 17, 1983 Date amended: 3/19/86; 10/25/00

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

**COWL FLAPS TURBOPLUS, INC.**

**STC SA2148NM**

**PULL OPEN**

**PUSH CLOSED**

## Every issue (3)

- February 24, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3d/10/3d1087798e4d8e293775fca1790865eced7ca452461918e8fa025e56bbf64d4c)
- October 15, 2007: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/7c/4a/7c4aa95607adeec46e560b6a564adf9c13c9344fe685ee5e287e08085a8d0a83)
- August 25, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/5d/72/5d72e06552af91bb2eac27551ce0cade1cdfe03b9c46559b05f94fffc0c901e7)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
