# STC SA236NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Ott, Louis W., United States
- Description: Installation of a Hartzell HC-C2YL-1B/F7663-4 propeller; a Woodward 210452 Governor, with a Lycoming drive adapter; a Piper PA18-150 muffler and heat muff; and a modified firewall
- Applied: August 27, 1975
- Status date: November 7, 1975
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 1A6](https://openairdocs.org/tcds/1A6)
- Certificate PDF: https://openairdocs.org/files/sha256/9b/a5/9ba5d9366fc6cebb782d1835082e514ad7ba8556068e302964f5c78ce7113258
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8EE96B8EE213E1B086257ADA006D4EDA.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA236NW

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. PA-22-150 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))

## What the certificate says

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

Department of Transportation Federal Aviation Administration Supplemental Type Certificate Aunter SA236NW This certificate issued to: Touis V. Ott Past 3 of the CiVII. Air Ruyulations:, dated Novembez 1, 194).

Original Product -Tipe Certifate Number: 986 Make: Piper Mell: PA22-150 Description of Type Design Change: Installation of a Fartzell 10-02V1-18/77653-4.

propeller; a Woodward 210h52 Governor, with a Lycoming drive adapter; a Piper PA18-150 muffier and heat muft; and a modified firerall in accordance with Louis Oft Flotographs 1 through 4 dated September 10, 1975.

Immanen/fundia: Data pertaining to this modification are considered inadequate for duplication on other aircraft. This approval is limited to the installation in Piper PA22-150, Serial Number 29-5205 only. A copy of this Certificate with Addendum Thumber 34236NV, and the houis Ott FAA Approved Airplane Plight Vanual Supplement shall be maintained as part of the pomenont recorãs for the modified aireraft.

Datedopplestor: August 27, 2975 Date Reissued:

November 7, 1975 Date Amended:

AVIAT By divedian of the laminatate Acting. Much Pose A Mie Bronen, ANY 210 1272 9 2028/2 220d tenden 3, a lal 1s other vary be tard-ed in arrordane woth FAR 21.22 BAT+ 0110-2110-681

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number 5123601 SUPPIE INAL SYPE CONTIFICATE ADDENDUM NO. SA236NW The conditions and limitations of the original specifications apply except as follows:

This Addendum, which is part of Supplemental Type Certificate No. SA236NW, prescribes conditions and limitations under which the STC was issued and meets the airworthiness requirements of Civil Air Regulations Part 3. A copy of this Addendum shall be maintained as part of the modified aircraft permanent records.

Supplemental Type Certificate HOLDER: Louis W. Ott PIPER PA22-150 (Landolane - Normal Category) AS NODIFIED BY STC 8A236NW Engine: Lycoming 0-320 Fael: 80/87 Octane Minimun Grade Aviation Gasoline Engine Iamite: Same as specified Propeller: Hartzell HC-C2YI-1B/F7663-4 Propeller Limits: Rating: 210 HP @ 2800 Diameter Limits: 76" - 68" (-0 to -8) Serial Number Eligible: Serial Number 22-5225 Only Aix Speed Limits: Same as specified Maximum Weight: Same as specified Pover Plant Instrument Merkings: Same as specified

- END - corditeraton of this certiente is bushaale pe e of not exceedie $1.000, or intessonment not en aloo i seare a back ....

FAA FORM 0102) (10-601 Pair agrate may be done with / 1 2.27 PAGE 3 OF 3 PAGES PAA 1073

## Every issue (1)

- November 7, 1975: Issued, Current. [certificate](https://openairdocs.org/files/sha256/9b/a5/9ba5d9366fc6cebb782d1835082e514ad7ba8556068e302964f5c78ce7113258)

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