STC SA2-89

Supplemental type certificate · Signature Flight Support Corporation

Holder
Signature Flight Support Corporation · United States
Status
Current · Reissued
Status date
August 31, 2000
Applied
November 9, 1956
Product
Aircraft · Small Multi-Engine
Certification basis
Part 21
Data sheet
TCDS6A1

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

What it approves

Installation of Lycoming GO-480-C1D6 engines and Hartzell HC 83X20-2C/8833-2 propellers.

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.

JHntteb jStateo of (Afaurfitm ,AJmtmTstraium Certificate SA2-89 Signature Flight Support Corporation, a Delaware Corporation 7511 Lemmon Avenue, Hangar C Dallas, TX 75209 Civil Air 6A1 Gulfstream American 560 Installation of Lycoming 6O-480-C1D6 engines and Hartzell HC 83x20-2C/8833-2 propellers in accordance with data listed on Dallas Aero Service Drawing List titled "GO-480-C1D-6 Engine Installation in 560," Revision 2, dated 6/28/57, Dallas Aero Service Drawing Ho. A-101001 dated 2/19/57.

Dallas Aero Service Commander Model 560 Airplane Flight Manual Appendix No. 3 dated 2/16/57 is required.

Compatibility of this modification with other previously approved modifications must be determined by the installer.

-November 09, 1956 28, 1957 " '*"*"' . 6/1/92; 12/21/98; 8/31/00 .- 12/5/68 ; 11/12/69;

2/23/72; 5/26/78; 4/10/81; 3/2/82 Rev. 6 S. Frances Cox Manager, Special Certification Office, Southwest Region (Title) liny aitflttloi. of ChJj cfitlficttf Is punlidabl* by 3 fine of not •ueeedlnj $1,000, or iBprljonnent not eic»i)Jng 3 , or both.

FAA Fo» eilD-!(10-«e) Ihij certjffcjt* «ny toe Cr*niferrM In

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (A ddrtss of transferee) ————————————————————t Nltmber and i (City, Stair, and £1P cade I from (Name of grantor) (Print or type) (Address of grantor) i and itrftl J (City, State, and £IP auk j Extent of Authority (if licensing agreement):.

Signature of grantor (In ink):

C FAA AC 6S-S538

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
Twin Commander Aircraft LLC5606A1