# STC SA3348NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Thompson Aero Products, United States
- Description: Fabrication and installation of external hinged-plate spoilers and dive brakes.
- Applied: October 25, 1984
- Status date: April 10, 1986
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21)
- Certificate PDF: https://openairdocs.org/files/sha256/35/6a/356a70faac4af2155fbbc61095e3c85ae47fe61a323058f1d48e89dbb1da82cc
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/57C36FA9639B77F685256CC2000A9721.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3348NM

## ADs that name it (0)

None.

## Approved models (15)

- The Cessna Aircraft Company 210G ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- The Cessna Aircraft Company 210H ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- The Cessna Aircraft Company 210J ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- The Cessna Aircraft Company 210K ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- The Cessna Aircraft Company 210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- The Cessna Aircraft Company 210M ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- The Cessna Aircraft Company 210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- The Cessna Aircraft Company P210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- The Cessna Aircraft Company T210G ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- The Cessna Aircraft Company T210H ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- The Cessna Aircraft Company T210J ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- The Cessna Aircraft Company T210K ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- The Cessna Aircraft Company T210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- The Cessna Aircraft Company T210M ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- The Cessna Aircraft Company T210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA3348NM This certificate issued to: Thompson Aero Products Part 3 of the CIVIl Air Regulations Original Product - Type berlificate Number.

ЗА21 CESSNA 210G, T210G, 210H, T210H, 210J, T210J, 210K, T210K, 210L, T210L, 210M, T210M, 210N, T210N, P210N Fabrication and Installation of external hinged-plate spoilers and dive brakes in accordance with FAA sealed Thompson Aero Products Production Drawing List Number DRC-210, Revision "E", dated April 10, 1986, or later FAA approved revision.

Limitations and Conditions: The approval of this change in type design applies only to those basic Cessna Models referenced above. This approval should not be extended to other airplanes of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the modifications will introduce no adverse effect on the airworthiness of that aircraft. Airplanes equipped with this modification must be operated in accordance with either the FAA approved Supplemental Airplane Flight Manual or Airplane Flight Manual Supplement, whichever is (see continuation sheet) A copy of this Certificate and the Continuation Sheet Number SA3348NM shall be maintained as a part of the permanent records of the modified aircraft.

NOTE: The Auxiliary Vacuum System (AVS) is considered optional equipment for airplanes powered with normally aspirated engines and essential for proper DRC operation when installed on turbocharged T210/P210 models.

- END - 47 PAGE 3 OF 3 PAGES

## Every issue (1)

- April 10, 1986: Issued, Current. [certificate](https://openairdocs.org/files/sha256/35/6a/356a70faac4af2155fbbc61095e3c85ae47fe61a323058f1d48e89dbb1da82cc)

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