STC SA1654NM

Supplemental type certificate · William H Cook Jr

Holder
William H Cook Jr · United States
Status
Current · Issued
Status date
June 3, 1982
Applied
March 28, 1982
Product
Aircraft · Small Airplane
Certification basis
Part 21
Data sheet
TCDSA-734

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 5, 2025.

What it approves

Installation of Hartzell HC-82V20/V8833N propellers and associated systems on Ranger 6-440C-5 engines

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: SA1654NM This certificate issued to: Will i am H. COOk Certifies that the change in the type design for the filling fireduct with the limitations and conditions terfer au specifudherenmutalle airerthine requirementaof Purt 4 ef the Civil Air Regulationa Original Product - Type Certificate Number: A-734 Mutie. Grumman Murtel: G-44 (Widgeon) DecriplunJype Lwign bhange: Installation of Hartzell HC-82V20/V8833N propellers and associated systems on Ranger 6-440C-5 engines, in accordance with hartzell Propeller Assembly Drawing No. D-2020 as modified by William H. Cook Drawings (Sheets 1 & 2) containing parts (1) through (5) as illustrated in photos (1) through

(9). NOTE: This modification is accomplished through the installation of a Woodward Governor, unfeathering accumulator, and dry air vacuum pump including a Hartzell 224 oil transfer unit as described in William H. Cook Report WHC 1000.

Limitin and findition: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Grumman, G-44 aircraft, Serial Number 1365 only. A copy of this Certificate and FAA Approved Flight Manual Supplement shall be maintained as part of the permanent records for the modified aircraft.

Inte f afplecutine: March 28, 1982 Tute vissued:

I ate of insance: June 3, 1982 Date Amended:

FEDERAL NUTATION Liy divection The Administrater ( Signature ) TO MINISTEATOS Chief, Seattle Area Aircraft Certification Office (Title)

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
Gulfstream American CorporationG-44A-734