STC SA979NW

Supplemental type certificate · Machen Inc

Holder
Machen Inc · United States
Status
Current · Amended
Status date
April 10, 1981
Applied
August 25, 1978
Product
Aircraft · Small Airplane
Certification basis
Part 21
Data sheet
TCDSA17WE

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

What it approves

Installation of a Lycoming engine, Hartzell propellers, Woodward propeller synchrophasers and unfeathering accumlators, modified pressuriztion system to 4.25 psi, Aero-Air Corporation air conditioning system, 35 ampere hour batteries, interior sound reduction package, aerodynamic performance package and associated systems (See STC for models)

What the certificate saysOCR

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

Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA979NW This certificate issued to: Machen, INC.

Purt 23 of the Federal Aviation Regulations., effective December 1, 1978.

Original Product - Type Irerificate: Number: AITWE Make: Piper Aerostar Model: 601 (modified) Description of Type Design Change: Installation of a Lycoming LTIO-, T10-540-J2BD (MA)* engines, Hartzell HC-C3YR-2LUF/FJC-8468B-10Q and HC-C3YR-2UF/FC-8468B-10Q or Hartzell HC-C3YR-2LUF/FJC-8468DB-14 and HC-C3YR-2UF/FC-8468DB-14 propellers, Woodward propeller synchrophasers and unfeathering accumulators, modified pressurization system to 4.25 psi, Aero-Air Corporation air conditioning system, 35 ampere hour batteries, interior sound reduction package, aerodynamic performance package, and associated systems in accordance with Machen, Inc. Report No. 66-1.

NOTE: *Modified in accordance with STC SE978NW for duplication in other aircraft. limitation andbenditond Data pertaining to this modification are considered inadequate This approval is limited to the installation in Piper Aerostar 601, Serial Number b1-0060-113, modified with structural cnanges 1r accordance with STC SA2664WE only. A copy of this Certificate and FAA Approvec Airplane Flight Manual Supplement amended April 10, 1981, shall be maintained as part of the permanent records for the modified aircraft.

August 25, 1978 July 16, 1980 Sialecamended: April 10, 1981 FEDERAL AVIATION ion of the Admini Namell M. Pedison (Signature) TOMINISTATIO • Chiet, Seattle Area Aircratt Certification Office (Title)

FAA FOR 8110-2 (10-68)

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
Aerostar Aircraft CorporationPA-60-601 (Aerostar 601)A17WE