# STC SA00857NY

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Avionnerie Valdor Inc., Canada
- Description: Installation of a new Advanced Wing Technologies (AWT) wing and increase in gross weight to 6000 pounds.
- Applied: June 10, 1997
- Status date: April 5, 2011
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A-806](https://openairdocs.org/tcds/A-806)
- Certificate PDF: https://openairdocs.org/files/sha256/2b/0d/2b0d1378b4bb4dbbc3de83a5565346fe1194c6c35fd1773c9c60741b3885daae
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6136110806A5115786257A2A00644E54.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA00857NY

## ADs that name it (0)

None.

## Approved models (3)

- Viking Air Limited DHC-2 Mk.I ([TCDS A-806](https://openairdocs.org/tcds/A-806))
- Viking Air Limited DHC-2 Mk.II ([TCDS A-806](https://openairdocs.org/tcds/A-806))
- Viking Air Limited DHC-2 Mk.III ([TCDS A-806](https://openairdocs.org/tcds/A-806))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

Part 3 of the Civil Air Regulations.

Installation of a new Advanced Wing Technologies (AWT) wing with associated fuel system, and increase in gross weight to 6000 pounds on the deHavilland DHC-2.

1. Installation is to be carried out in accordance with Transport Canada approved Aero Consulting Services Modification Data Summary Number C18800 Revision C, dated May 03, 2001.

2. Aero Consulting Services Ltd. Airplane Flight Manual Supplement Document Number C19691 Rev N/C, Transport Canada approved May 03, 2001 is required with this modification.

Avionnerie Valdor Inc.

42.7e Rue Val-D’OR, QC, J9P 0G6 A-806 Make : de Havilland Model : DHC-2

Date of application : June 10, 1997

Date of issuance : July 06, 1998

Date reissued : April 5, 2011

Date amended : May 07, 1999, Oct. 04, 1999, Feb.

02, 2000, October 30, 2001

( Signature) Gaetano Sciortino Acting Manager New York Aircraft Certification Office

( Title)

FAA Form 8110-2-1(10-69) Page 2 of 2

IMPORT Number SA00857NY Date Amended: Oct. 30, 2001

3. Advanced Wing Technologies Maintenance Manual Supplement Document Number 97AWT001-D91 Revision IR, Transport Canada approved July 10, 1997 is required with this modification.

4. Compliance with the fatigue life evaluation criteria of CAR 3.307, dated May 15, 1956 has been demonstrated by Transport Canada approved Aero Consulting Services Modification Data Summary Number C18800 Revision B, dated November 17, 1999, and Transport Canada approved Aero Consulting Services Report Number C18830, Revision N/C, dated September 30, 1999. Previous life limit for this installation is removed by amendment to this STC, dated Feb. 1, 2000.

5. Installation of floats is limited to Wiplane Float Model 6100, installed as per STC SA00962NY, dated May 7, 1999.

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

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

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## Every issue (1)

- April 5, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/2b/0d/2b0d1378b4bb4dbbc3de83a5565346fe1194c6c35fd1773c9c60741b3885daae)

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