STC SA240NW

Number SA240NW

This certificate, issued to Kenmore Air Harbor, LLC.

6321 NE 175th Street Kenmore, WA 98028

Part 3 of the Civil Air Regulations,dated May 15, 1956.

Original ProductType Certificate Number: 3A24 Make: Cessna Model: 185 through 185E, A185E, and A185F (Landplane, Floatplane, and Amphibian) Description of the Type Design Change: Installation of a McCauley D3A32C90/82NC-2 three-bladed propeller, Cessna 1250909 or 1652043-1 spinner, governor, and associated system on a Continental I0-520-D engine in accordance with Cessna Service Manual No. D 2007C3-13, dated October 15, 1972, and Kenmore Air Harbor, Inc. Installation Instructions No. K1853, amended September 21, 1977.

Limitations and Conditions: Approval of this change in type design applies basically to the above aircraft model 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 interrelationship 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 approval is also extended to installation in the above models with Edo Model 582-3430 seaplane floats in accordance with STC SA832NW or SA526NW and EDO Model 696-3500 amphibian seaplane floats in accordance with STC SA558NW. A copy of this Certificate and Addendum No. SA240NW shall 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: December 4, 1975 Date reissued: April 5, 2019 Date of issuance: December 8, 1975 Date amended: February 5, 1976; October 6, 1977;

January 16, 1978

FAA FORM 8110-2 (5/14) PAGE 1 OF 4 PAGES By direction of the Administrator

(Signature)

Acting Manager, Seattle ACO Branch (Title)

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)

Signature of Grantor (In Ink):

U.S. GPO: 1987-763-289

Number SA240NW

Kenmore Air Harbor, LLC.

Issued: December 8, 1975 Reissued: April 5, 2019 Amended: February 5, 1976; October 6, 1977; January 16, 1978

SUPPLEMENTAL TYPE CERTIFICATE ADDENDUM NO. SA240NW

The conditions and limitations of Type Certificate Data Sheet No. 3A24 apply except where superseded by the following:

This Addendum, which is part of the Supplemental Type Certificate No. SA240NW, prescribes the conditions and limitations under which the STC was issued and meets the airworthiness requirements of Civil Air Regulations Part 3. A copy of this Addendum shall be maintained as part of the modified aircraft permanent records.

SUPPLEMENTAL TYPE CERTIFICATE HOLDER: Kenmore Air Harbor, LLC.

CESSNA 185 THRU 185E AND A185F, 6PCL-SM (NORMAL CATEGORY) AS MODIFIED BY STC SA240NW

Engine: Continental I0-520-D (Same)

Fuel: 100/130 octane minimum grade aviation gasoline

Engine Limits: Takeoff (5 min.) – 2850 rpm, 300 hp Maximum Continuous Power – 2700 rpm, 285 hp

Propeller and: McCauley D3A32C90/82NC-2 Propeller Limits: Diameter: Max. – 80”: Min. - 78” Pitch Settings: Low – 11.5º; High 28.1º

Propeller Governor: McCauley C290D2/T9 Or C290D3/T9 Woodward A210462

FAA FORM 8110-2 (5/14) PAGE 3 OF 4 PAGES

Number SA240NW

Kenmore Air Harbor, LLC.

Issued: October 11, 1977 Reissued: April 5, 2019 Amended: February 5, 1976; October 6, 1977; January 16, 1978

SUPPLEMENTAL TYPE CERTIFICATE ADDENDUM NO. SA240NW (Continued)

Powerplant Instrument Markings: Oil Temperature:

Green Arc 120º to 240ºF – normal operating range Oil Pressure:

Green Arc 30 to 60 psi – normal operating range Red Line 20 psi minimum; 100 psi maximum Tachometer:

Green Arc 2200 to 2550 rpm – normal operating range Yellow Arc 2700 – 2850 rpm - caution Red Line 2700 - 2850 rpm – maximum Fuel Flow:

Green Arc 7 to 17 gph – normal operating range Red Line 25 gph maximum at sea level Cylinder Head Temperature:

Green Arc 200º to 460ºF – normal operating range Red Line 460º - maximum

C.G. Range: Landplane – (See Data Sheet 3A24) Floatplane – with EDO 249A-2870 and EDO 628-2960 (See Data Sheet 3A24) Floatplane - with EDO 582-3430 floats per STC SA832EA or SA526NW Amphibian - (See Data Sheet 3A24) Straight line variation between points given Amphibian - with EDO 696-3500 per STC SA558NW

Maximum Weight: Landplane – (See Data Sheet 3A24) Floatplane – EDO 249A-2870 - 3190 lbs.

EDO 628-2960 – 3320 lbs. (See Data Sheet 3A24) EDO 582-3430 – 3350 lbs.

Amphibian - EDO 597-2790 – 3100 to 3265 lbs. (See Data Sheet 3A24) Amphibian - EDO 696-3350 – 3350 lbs.

- END -

FAA FORM 8110-2 (5/14) PAGE 4 OF 4 PAGES