STC SA5938NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA5938NM This certificate issued to: Quiet Wing Corporation 1715 114th Ave. SE Suite 230 Bellevue, WA 98006 Part * of the * Regulations. "(See page 3 of this STC for the Certification Basis) Original Product -Type Certificate Number:

Make: Boeing Model: All Models of 727, 727-100, 727C, 727-100C, 727-200, and 727-200F Description of Type Design Change: Installation of winglets, associated changes in flap and aileron positions and rigging, and related changes to the navigation beacons. The manufacturing and installation of the components is to be in accordance with the FAA approved VALSAN Master Drawing List 000007, Revision H, or subsequent FAA approved revisions.

Limitations and Conditions: The limitations and conditions of Type Certificate AWE apply except as outlined in pages 3 and 4 of this STC. A copy of this STC must be included in the permanent records of each aircraft modified in accordance with this STC. Approval of this change in type design series applies to Boeing Model 727-100/200 model aircraft that are otherwise unmodified. This approval should not be extended to aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of the aircraft 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.

Date of Application: May 26, 1988 Date Reissued: March 30, 1995; April 30, 2002;

March 31, 2003; September 25, 2018 Date of Issuance: April 8, 1993 Date Amended: August 4, 1993;; October 15, 1993;

April 30, 2002; September 2, 2003 By Direction of the Administrator

FEDERA AVIATION gnature) OMINIST RATION ~ Manager, Seattle ACO Branch (Title) The ST's supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the STC holder.

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TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number_ to (Name of Transferee) (Address of Transferee) (Number and Street) (City, State, and ZIP Code) from (Name of Grantor) (Print or Type) (Address of Grantor) (Number and Street) (City, State, and ZIP Code) Extent of Authority (if licensing agreement):

Signature of Grantor (In Ink):

PAGE 2 OF 4 PAGES *U.S. GPO: 1987-763-289

Limited States at America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA5938NM Quiet Wing Technologies, Inc.

Issued: April 8, 1993 Reissued: March 30, 1995; April 30, 2002; March 31, 2003; September 25, 2018 Amended: August 4, 1993; October 15, 1993; April 30, 2002; September 2, 2003 Limitations and Conditions: continued:

Airspeed Limits: See FAA approved VALSAN Airplane Flight Manual Supplement (See Note 2) C. G.

Range: See FAA approved VALSAN Flight Manual Supplement (See Note 2) Maximum Weights: See FAA approved VALSAN Flight Manual Supplement (See Note 2) Eligible Serial Number: All Boeing Model 727, 727-100, 727C, 727-200 and 727-200F Serial Numbers shown on 727 Type Certificate Data Sheet AWE. FAA approval of a particular serial number is indicated by an FAA approved VALSAN or Winglet Systems, Inc. (WSI) Airplane Flight Manual (AFM) Supplements, VA-CR120W-XXXX, VA-CR120REW-XXX, WSI100W-XXX, WSI100REW-XXX, WSI200W-XXX, or WSI200REW-XXX. The XXXX dash number identifies the appropriate 727 series number, and the supplement will list the effective serial numbers for that series. Example: VA-CR120W-0225 approves 727-225 series aircraft.

Information: The following VALSAN supplements are applicable and essential to the Boeing Model 727-100/200 modified in accordance with this STC:

Maintenance Manual Supplement VA-CR130W-4 Structural Repair Manual Supplement VA-CR130W-6 Supplemental Structural Inspection Document VA-CR281W Maintenance Program VA-CR130W-7.

Certification Basis: For unmodified systems and structures, the same as shown on Type Certificate Data Sheet AWE for the Model 727-100/200. For new or extensively modified systems structures, the same as shown on Type Certificate Data Sheet AWE for the 727-100/200 except the following additional rules apply:

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United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA5938NM Quiet Wing Technologies, Inc.

Ssued: April 8, 1993 Reissued: March 30, 1995; April 30, 2002; March 31, 2003; September 25, 2018 Amended: August 4, 1993; October 15, 1993; April 30, 2002; September 2, 2003 Limitations and Conditions: continued:

FEDERAL AVIATION REGULATION PART 25 - AIRWORTHINESS STANDARDS:

TRANSPORT CATEGORY AIRPLANES, effective 2-1-65, as amended by amendments 25-1 through 25-64, effective 5-17-88 except for the following sections which are limited to showing compliance for the amendments indicated:

Section 25.25, Weight Limits - AMENDMENT 25-63 Section 25.305 (d) & APPENDIX G - AMENDMENT 25-54 Section 25.571 (a), (b), (c) and (d) AMENDMENT 25-54 Section 25.1529 & APPENDIX H - AMENDMENT 25-54 Note 1: A current VALSAN Weight and Balance Manual Supplement to the Boeing Weight and Balance Manual D6-21200, including a list of equipment included in the certified empty weight and loading instructions, must be in each aircraft at the time of original certification and at all times thereafter, except in the case of operators having an approved weight control system Note 2: Model 727-100/200 airplane operation must be in accordance with the FAA approved VALSAN or WSI Airplane Flight Manual Supplements, VA-CR120W-XXXX, VA-CR120REW-XXX, WSI100W-XXX, WSI100REW-XXX, WSI200W-XXX and WSI200REW-XXX. All placards required in either the FAA approved AFM Supplement, the applicable operating rules or the certification basis must be installed in the airplane.

Note 3: Following modification, aircraft with this modification still meet Stage 2 Noise Requirements.

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