STC SA2666NM

United States of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate Number: SA2666NM This certificate issued to: Seaplane Flying, Inc.

Certifies that the change in the type design for the following pratust with the limitatuns and sonditiond therefer as spectfied hereen meels the airutheness requir ments f Part 3 of the Civil Air Hegulations Original Product -Type bertificate Lumber 5A6 Make Cessna Model 180 (Seaplane) Description of Type Design Change: Installation of a Continental 10-470-E engine (260 HP e 2625 rpm), Cessna engine mount (seaplane) - P/N 0751003-31, McCauley D2A36C33/S-90M-10 propeller and associated systems in accordance with Seaplane Flying, Inc., Conversion Installation No. SFC 1802, dated July 9, 1984, or later FAA Approved revisions.

NOTE: This modification replaced the Continental 0-470-R engine (230 HP € 2600 rpm).

Similatuns and banditions duplication in the a fe od, with So Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval.is limited to the installation in Cessna Model 180, Serial No. 30964, with EDO 249-2870 seaplane float installation.

A copy of this Certificate, and FAA Approved Airplane Flight Manual Supplement shall be maintained as part of the permanent records for the modified aircraft.

This certificate and the supporting data which is the basis for approval shall reman on effet anted sur rendered, suspended, venked or a terminaton date is theress estaldshed by the Slimenstrater of the Lederal mation dministratun Date of Application: June 14, 1984 I ate of woman November 5, 1984 I ate unsended TIATION By dicken of the Elmenestrater GElatina Manager, Seattle Aircraft Certification Office & I sile Any alteration of this certificate is punishable by a fine of not exceeding SO, or imprisonment not exceeding i vears, or bott The certifate may be tanteed in deedan and / AP d TAA FoR 8110- 2(10-68)