STC SA00888SE

Un ited S tates of Am erica Department of Transportation - Federal Aviation Administration Supplemental Type Certificate

Number SA00888SE

This certificate, issued to Cascade Aircraft Conversions, LLC 903 Grinnell Road Garfield, WA 99130 Part 21.25 of the Federal Aviation Regulations.

Original ProductType Certificate Number: See AML SA00888SE Make: Air Tractor Model: See AML SA00888SE Description of the Type Design Change: Option 1: Install Walter M601-E11S engine and a Hartzell HC-B3TW-3/T10282N+4 propeller or a Walter M601-E11 engine and an Avia V508-E-AG 106/A propeller per the Master Drawing List and Installation Instructions given in Approved Model List SA00888SE. (Note: Prior to July 17, 2002, the model M601-E11S engine was designated as the model M601-E11 engine).

Option 2: Install a Walter M601-D11 engine and Avia V508-E-AG 106/A propeller per Cascade Flying Service Master Drawing List CFS-MDL-0001 Rev G, dated June 15, 2004, and Cascade Flying Service Document CFS-IM-107, Rev A, dated July 29, 2003, “Installation Instructions for Walter Turbine Installation on Air Tractor 300 & 400 Series Ag Aircraft,” or later FAA-approved revisions to these documents.

NOTE: The Air Tractor model AT-400, AT-402B, AT-502, AT-502B, and AT-503A airplanes are not eligible for modification under option 2.

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 these models 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.

Date of application: October 24, 1997 Date reissued: 12/30/03; 3/23/18 Date of issuance: March 12, 2001 Date amended: 12/30/03; 6/18/04; 10/15/04; 4/25/08

(Signature)

Manager, Seattle ACO Branch (Title)

Un ited S tates of Am erica Department of Transportation - Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet)

Number SA00888SE

Cascade Aircraft Conversions, LLC Issued: March 12, 2001 Reissued: 12/30/03; 3/23/18 Amended: 12/30/03; 6/18/04; 10/15/04; 4/25/08

Description of the Type Design Change continued:

1. ENGINES

a) NUMBER OF ENGINES 1

b) ENGINE MANUFACTURER WALTER

c) ENGINE MODEL NUMBER M601-E11/E11S

d) OPERATING LIMITS

e) POWERPLANT INSTRUMENT MARKINGS:

INSTRUMENT Redline Minimum Green Arc Normal Yellow Arc Caution Redline Maximum Torque N/A 0-100 100-106 106 Tach RPM Ng 60 60-97 97-100 100 Tach RPM Np N/A 800-2080 N/A 2080 Temp ITT (°C) N/A 430-690 690-735 735 Oil Press (MPa) .12 .18-.25 .12-.18 & .25-.35 .35 Oil Temp (°C) N/A 20-95 -20-+20 95 Fuel Press Eng (kPa) N/A 0-120 N/A 120 Fuel Press Filter (psig) 2 N/A N/A N/A

FAA FORM 8110-2- 1 (10-69) PAGE 3 OF 5 PAGES Power Setting SHP Torque ft-lb Max.

ITT°C Gas Speed Ng RPM Prop Speed Np RPM Oil Pressure psig (MPa) Oil Temp °F (°C) Take-off 751 1895 100% 735 36660 100% 2080 26.1–39.1 (.18 to .27) +20–+85 (-6 to +29) Max Cont. 657 1895 100% 690 35560 97% 1900 26.1-39.1 (.18 to .27) +20-+85 (-6 to +29)

Un ited S tates of Am erica Department of Transportation - Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet)

Number SA00888SE

Cascade Aircraft Conversions, LLC Issued: March 12, 2001 Reissued: 12/30/03; 3/23/18 Amended: 12/30/03; 6/18/04; 10/15/04; 4/25/08

Description of the Type Design Change continued:

Engines (Continued)

f) NUMBER OF ENGINES 1

g) ENGINE MANUFACTURER WALTER

h) ENGINE MODEL NUMBER M601-D11

i) OPERATING LIMITS

j) POWERPLANT INSTRUMENT MARKINGS:

INSTRUMENT Redline Minimum Green Arc Normal Yellow Arc Caution Redline Maximum Torque N/A 0-86 86 - 92 92 Tach RPM Ng 60 60 - 98.5 98.5 - 100 100 Tach RPM Np N/A 800-1950 N/A 1950 Temp ITT (°C) N/A 430-690 690-735 735 Oil Press (MPa) .12 .18-.25 .12 - .18 & .25 - .35 .35 Oil Temp (°C) N/A 20-95 -20 - +20 95 Fuel Press Eng (kPa) N/A 0-120 N/A 120 Fuel Press Filter (psig) 2 N/A N/A N/A

2. PROPELLERS:

(a) Number of propellers 1

(b) Propeller Manufacturer Hartzell (M60-E11S engine only)

FAA FORM 8110-2- 1 (10-69) PAGE 4 OF 5 PAGES Power Setting SHP Torque ft-lb Max.

ITT°C Gas Speed Ng RPM Prop Speed Np RPM Oil Pressure psig (MPa) Oil Temp °F (°C) Take-off 5 min 604 1630 86% 735 36660 100% 1950 26.1 to 39.1 (.18 to .27) +20 to +85 (-6 to +29) Max Cont. 604 1630 86% 690 36110

98.5% 1950 26.1 to 39.1 (.18 to .27) +20 to +85 (-6 to +29)

Un ited S tates of Am erica Department of Transportation - Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet)

Number SA00888SE

Cascade Aircraft Conversions, LLC Issued: March 12, 2001 Reissued: 12/30/03; 3/23/18 Amended: 12/30/03; 6/18/04; 10/15/04; 4/25/08

Description of the Type Design Change continued:

Propellers (Continued)

(c) Blade Model T10282N+4

(d) Number of Blades 3

(e) Hub Model HC-B3TW-3

(f) Propeller Type Hydraulically Operated, Constant Speed, Full Feathering, Reversible

(g) Diameter Maximum 106 inches Minimum 102 inches

(a) Number of propellers 1

(b) Propeller Manufacturer Avia Propellers

(c) Blade Model 106/A

(d) Number of Blades 3

(e) Hub Model V508E-AG

(f)Propeller Type Hydraulically Operated, Constant Speed Full Feathering, Reversable.

(g) Diameter Maximum 106 inches, no cutoff allowed

-END-

FAA FORM 8110-2- 1 (10-69) PAGE 5 OF 5 PAGES