STC SA1521GL

Supplemental type certificate · Knots 2U Ltd

Holder
Knots 2U Ltd · United States
Status
Current · Amended
Status date
March 29, 2010
Applied
September 6, 1990
Product
Aircraft · Single-Engine
Certification basis
Part 3, Part 21
Data sheet
TCDSA3SO

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

What it approves

Installation of Flap, Aileron, Flap/Fuselage, and Stabilator Gap Seals.

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.

Part 3 of the Civil Air Regulations.)

Installation of Flaps, Aileron Flap/Fuselage and Stabilator Gap seals in accordance with Knots 2U, Ltd. Installation and Maintenance Manual , document number 32FGS-M, revision F, dated 2/05/2010 or later FAA approved revision.

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

2) This approval should not be extended to other specific airplanes of this model on which previously approved modifications are incorporated, unless it is determined that the interrelationship between this change and any other of those previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane.

3) If the holder agrees to permit another person to use this certificate to alter a product, the holder shall give the other person written evidence of that permission.

Knots 2U, Ltd.

703 Airport Drive Burlington, WI 53105

A3SO Make : Piper Aircraft, Inc.

Model : PA-32-301 ; PA-32-301T ; PA-32R-301 ; PA-32R-301T ;

PA-32R-301(SP) ; PA-32R-301(HP) ; PA-32-301FT ; PA-32- 301XTC Date of application : September 6, 1990

Date of issuance : October 11, 1990 Date reissued : May 7, 1997

Date amended : July 15, 1997 ; October 13, 1999 ; March 29, 2010

( Signature) Mary Ellen A. Schutt Manager, Airframe and Administrative Branch Chicago Aircraft Certification Office

( Title)

FAA FORM 8110-2-1(10-69) PAGE 2 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 · 7

MakeModelData sheet
Piper Aircraft Inc.PA-32-301A3SO
Piper Aircraft Inc.PA-32-301FTA3SO
Piper Aircraft Inc.PA-32-301TA3SO
Piper Aircraft Inc.PA-32-301XTCA3SO
Piper Aircraft Inc.PA-32R-301 (HP)A3SO
Piper Aircraft Inc.PA-32R-301 (SP)A3SO
Piper Aircraft Inc.PA-32R-301TA3SO