STC SA00785CH

Supplemental type certificate · McCauley Propeller Systems

Holder
McCauley Propeller Systems · United States
Status
Current · Reissued
Status date
September 21, 2005
Applied
January 21, 1997
Product
Aircraft · Small Multi-Engine
Certification basis
Part 21
Data sheet
TCDSA23SO

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

What it approves

Installation of McCauley propeller model 4HFR34C774/94LPA-0.

What the certificate saysOCR

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: SA00785CH This certificate issued to: McCauley Propeller Systems 7751 East Pawnee Wichita, KS 67207 Certifies that the change in the type design for the following product with the limitations and conditions therefor as speoified hereon meets the airoorthiness requirement's of Part 23 of the Federal Aviation Poegulations See Type Certificate Data Sheet No. A23SO for complete certification basis.

Original Product - Type Certificate Number: A2350 Abako: Piper Model: PA-42; PA-42-720 Description of Type Design Change:

Installation of McCauley Propeller Model 4HFR34C774/94LPA-0 in accordance with McCauley Technical Report No. 879, no revision, dated February 28, 1997, and McCauley Drawing No. D-60205, no revision, dated August 21, 1997 or later FAA approved revisions.

1. Compatibility of this design change with previously approved modifications must be determined by the installer.

Date of Application: January 21, 1997 Date Reissued: September 21, 2005 Date of Issuance: October 22, 1997 Date Amended:

FEDERAL AVIATION The direction of the Administgator (Signature) Thaddeus D. Krolicki, Jr.

TOMINISTRATO Manager, Propulsion Branch Chicago Aircraft Certification Office (Title)

PAA PORM 8110-2 (10-68) PAGE 1 of 3 PAGES

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number 5A00785CH Date of Issuance: October 22, 1997 Reissued: September 21, 2005 Limitations and Conditions: (Continued):

revisions, is required. 2. FAA Approved Flight Manual Supplement, Technical Report Number 878, dated October 22, 1997, or later FAA approved

3. The Pratt and Whitney engine model PT6A-41 (installed on the PA-42) and PT6A-61 engine (installed on the PA-42-720) are RPM. eligible with the McCauley Propeller Model 4HFR34C774/94LPA-0 with maximum continuous and takeoff rating of 720 HP and 2000

4. Aircraft Specifications are the same as listed on Type Certificate Data Sheet No. A23SO except as listed in McCauley Technical Report Number 878.

5. 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.

FAR FORM 8110-2-1 (10-69) PAGE 3 Of 3 PAGES

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 · 2

MakeModelData sheet
The New Piper Aircraft Inc.PA-42A23SO
The New Piper Aircraft Inc.PA-42-720A23SO