STC SA01722SE

Number SA01722SE This certificate, issued to Aerocet, Inc.

P.O. Box 2119 Priest River, ID 83856 Part 3 of the Civil Air Regulations.

Original Product⎯Type Certificate Number: A-806 Make: deHavilland Model: DHC-2 Mk. I

Description of the Type Design Change: Installation of Aerocet Model 5850 Twin Seaplane Floats manufactured and installed in accordance with Master Drawing List No. 56-15000, Revision C, dated September 7, 2006 and maintained in accordance with Maintenance Manual and Instructions for Continued Airworthiness A-10034, Revision 0, dated October 17, 2006, or later FAA approved revisions.

Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to other 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 that aircraft. This installation is limited to aircraft modified with STC SA456NW (Kenmore Seaplane Fins). This installation is compatible with STC SA00299NY (Viking Increase Gross Weight to 5600 lbs) and STC SA4025NM (Kenmore Increase Gross Weight to 5370 lbs). A copy of this Certificate and the FAA approved Aircraft Flight Manual Supplement (AFMS) must be maintained as part of the permanent records for the modified 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: March 18, 2006 Date reissued:

Date of issuance: December 5, 2006 Date amended:

Original signed by Mike Pasion (Signature) Acting Manager, Seattle Aircraft Certification Office (Title)