STC SA239NW

Supplemental type certificate · Sean McLellan

Holder
Sean McLellan · United States
Status
Current · Reissued
Status date
August 5, 2022
Applied
September 15, 1975
Product
Aircraft · Small Airplane
Certification basis
Part 3, Part 21
Data sheet
TCDS3A24

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.

What it approves

Installation of a Continental TSIO-520-C engine with a McCauley D2A34C58-N/90AT-2 propeller; a Woodward 8210452K governor, and a fire wall modification.

What the certificate says

From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

SA239NW Sean McLellan 11787 Sierra Drive E Truckee, CA 96161 part 3 Civil Air Regulations dated November 1, 1949 3A24 Cessna 185E Installation of a Continental TSIO-520-C engine with a McCauley D2A34C58-N/90AT-2 propeller; a Woodward 8210452K governor, and a fire wall modification in accordance with Bill Kornell Photographs 1 through 3.

See continuation sheet on page 3 of 3.

September 15, 1975 November 6, 1996; August 5, 2022 December 3, 1975 Luke Walker Acting Manager, Denver ACO Branch Compliance and Airworthiness Division 3

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

SA239NW 3

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page ___ of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number:

SA239NW Limitations and Conditions:

Data pertaining to this modification are considered inadequate for duplication on other aircraft. This approval is limited to the installation in Cessna A185E, Serial Number 185-1209 only. A copy of this Certificate and Addendum No. SA239NW shall be maintained as part of the permanent records of the modified aircraft.

----------------------------------------------------END---------------------------------------------------------

Date of reissue August 5, 2022 3 3

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 1

MakeModelData sheet
Cessna Aircraft Company185E3A24

Every issue · 2

DRS keeps each issue of an STC as its own record, with its own certificate and attachments.

DateStatusFiles
August 5, 2022Reissued, currentCertificate
November 6, 1996Reissued, earlier issueCertificate