# STC SP2609NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Turboplus Aircraft Systems, Inc., United States
- Description: Installation of a high advance ratio adjustment.
- Applied: May 1, 1984
- Status date: February 24, 2017
- Product: Propeller
- Certification basis: Part 21, Part 35
- Data sheets: [TCDS P47GL](https://openairdocs.org/tcds/P47GL)
- Certificate PDF: https://openairdocs.org/files/sha256/20/35/20350290c1906aeb8e35a3beaf58cb52e2c2c91338672f6ac11132b1c960e5b9
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FA1839B4931DD236862580D500660406.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SP2609NM

## ADs that name it (0)

None.

## Approved models (1)

- McCauley Propeller Systems D3A34C402 ([TCDS P47GL](https://openairdocs.org/tcds/P47GL))

## 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 SP2609NM

This certificate, issued to Turboplus Aircraft Systems, Inc.

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

Original Product Type Certificate Number: P47GL-2 Make: McCauley Model: D3A34C402/90DFA-10 Description of the Type Design Change: Installation of a high advance ration adjustment in accordance with Turboplus, Inc. Modification Instruction No. 15000P, dated May 15, 1984, or later FAA Approved Revisions. This installation includes increasing the high pitch stop setting from 28.5º to 33.5º for the Cessna P210/T210 aircraft.

NOTE: Amend Pilot’s Operating Manual to reflect pitch changes.

Limitations and Conditions: Approval of this change in type design applies to the above model propeller only.

This approval should not be extended to the propeller of this model 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 propeller. A copy of this Certificate must be maintained as part of the permanent records of 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: May 1, 1984 Date reissued: 10/26/87; 2/24/92; 8/25/05; 10/15/07;

2/24/17 Date of issuance: June 21, 1984 Date amended: 8/25/05

(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/sha256/20/35/20350290c1906aeb8e35a3beaf58cb52e2c2c91338672f6ac11132b1c960e5b9)
- October 15, 2007: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/98/52/9852d02a82ba6dc427502adb82a178d4c25ce0fef901309d4d00cb3d0174f3de)
- August 25, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/0b/b5/0bb5601573039d036c3c73832c0fd03fa9d3dd36cee53908d6c793bb8ace8234)

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