# STC SA5664NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: NorthPoint Aviation, United States
- Description: Installation of Continental/P.Ponk O-470-50 engine and McCauley D2A34C58/90AT-8, or2A34C66/90AT-8, or D3A32C90/82NC-2 propeller.
- Applied: May 12, 1991
- Status date: August 24, 2020
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 3A13](https://openairdocs.org/tcds/3A13)
- Certificate PDF: https://openairdocs.org/files/sha256/35/5d/355df21db1e78515b4b455ddf466097ef648a813c26574797547bb207255b823
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DE9E5B1A2AD80BB28625887C00106902.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5664NM

## ADs that name it (0)

None.

## Approved models (7)

- The Cessna Aircraft Company 182H ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182J ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182K ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182L ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182M ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182N ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182P ([TCDS 3A13](https://openairdocs.org/tcds/3A13))

## 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.

(See Type Certificate Data Sheet No. 3A13 for complete certification basis) Original Product—Type Certificate Number :

Installation of Continental/NorthPoint XP470 engine and a McCauley D2A34C58/90AT-8, or 2A34C66/90AT-8, or D3A32C90/82NC-2, or D3A34C401/90DFA-10, or D2A37C230/90REB-8 propeller in accordance with NorthPoint Aviation report number NPA-10003, Rev. B dated June 15., 2020 or later FAA approved revision.

Approval of this change in type design applied to the above model aircraft only. This approval should not be extended to othe r aircraft of this model on which other previously approved modifications have been 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, its continuation sheet, and FAA approved Aircraft Flight Manual Supplement (AFMS) dated June 15, 2020 shall 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.

NorthPoint Aviation 16384 Airport Road, Suite #8 Brainerd, MN 56401 3A13 Make : Cessna Aircraft Company Model: 182H, J, K, L, M, N, and P Date reissued : March 21, 2019; August 24, 2020 Date amended: February 9, 1996, December 2, 2005, June 15, 2020 By direction of the Administrator __

(Signature) Roy E. Boffo III Manager, Propulsion and Project Management Section Chicago Aircraft Certification Office Branch Compliance and Airworthiness Division, FAA

(Title)

Date of application: May 12, 1991 Date of issuance: January 15, 1992

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street)

(City, State, and ZIP code) from (Name of grantor) (Print or type)

(Address of grantor) (Number and street)

(City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES Number SA5664NM Date of issuance: January 15, 1992 Date Amended: February 9, 1996; December 2, 2005; June 15, 2020 Date Reissued: March 21, 2019; August 24, 2020

Engine: NorthPoint XP470

Fuel: 100/130 minimum grade aviation gasoline

Engine Limits : Takeoff (5min.); 2700 RPM for 2 or 3 blade propeller Maximum Continuous Power:

With 2 blade propeller – 2600 RPM With 3 blade propeller – 2700 RPM

Propeller and Propeller Limits: 1. McCauley D2A34C58/90AT-8 Diameter Limits: Max-82”; Min 80.5” Pitch Stop Settings @ 36” Station High – 25.8 deg; Low – 9.5 deg

2. McCauley 2A34C66/90AT-8 Diameter Limits: Max-82”; Min-80.5” Pitch Stop Settings @ 36” Station High – 25.8 deg; Low – 9.5 deg

3. McCauley D3A32C90/82NC-2 Diameter Limits: Max-80”; Min-74” Pitch Stop Settings @ 30” Station H igh – 28 deg; Low – 10.4 deg

4. McCauley D3A34C401/90DFA-10 Diameter Limits: Max-80”, Min-76” Pitch Stop Settings @ 30” Station High-28.5 deg; Low-10.4 deg

5. McCauley D2A37C230/90REB-8 Diameter Limits: Max-82”, Min 80” Pitch Stop Settings @ 30” Station High – 28.3 deg; Low – 12.0 deg

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## Every issue (3)

- August 24, 2020: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/35/5d/355df21db1e78515b4b455ddf466097ef648a813c26574797547bb207255b823)
- March 21, 2019: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/27/de/27dea5fd56226e4cd5029c9f7fe12cea707b3ebe1bc909defb074fb1ca9d8ef5)
- December 2, 2005: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/45/6a/456a5740ff7e017dae85f68cce06c33c2c3419376e7b4dd28290d4a7f4ceee59)

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