STC SA92NW

Number SA92NW

This certificate, issued to Cub Crafters, Inc.

1918 South 16th Avenue Yakima, WA 98903-1212

Part 3 of the Civil Aviation Regulations.

Original ProductType Certificate Number: 1A2 Make: Piper Model: PA-18, -18S, -18 "105,” -18S "105,” -18A, -18 "125,” -18S "125,” -18AS "125, ” -18 "135,” -18A "135,” -18S "135,” -18AS "135,” -18 "150,” -18A "150,” -18S "150,” -18AS "150,” -19, -19S

Description of the Type Design Change: Installation of Lycoming O-360 series engine, McCauley, Sensenich Propeller Manufacturing Co., or Sensenich Wood Propeller Co, Inc. propeller and associated hardware per Cub Crafters, Inc. Master Drawing List 101000-MDL, Revision U, dated February 27, 2004, or later Federal Aviation Administration (FAA) approved revision.

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 on which other previously approved modifications are incorporated unless it is determined by the installer 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. A copy of this certificate and FAA Approved Flight Manual Supplement Report CR-101000-5, Revision D, dated March 1, 2004, or later FAA-approved revison, 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.

(See Continuation Sheets Pages 3 through 4)

Date of application: February 6, 1974 Date reissued: July 14, 1994; January 26, 2012 Date of issuance: March 1, 1974 Date amended: 3/5/74; 12/10/75; 7/29/96; 12/19/02;

3/1/04; 4/6/04; 9/28/04

(Signature) Acting Manager, Seattle Aircraft Certification Office (Title)

United States of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SA92NW

Cub Crafters, Inc.

Issued: March 1, 1974 Reissued: July 14, 1994; January 26, 2012 Amended: 3/5/74; 12/10/75; 7/29/96; 12/ 19/02; 3/1/04; 4/6/04; 9/28/04

The conditions and limitations of Type Certificate Data Sheet Number 1A2 apply except where superceded by the following:

This Supplemental Type Certificate Data Sheet, which is part of STC SA92NW, prescribes the conditions and limitations under which the product for which the STC was issued meets the airworthiness requirements of the Federal Aviation Regulations.

Models:

PA18 (1) PA18S-125 (2) PA18-150 (1) PA18A (1) PA18AS-125 (2) PA18A-150 (1) PA18S (2) PA18-135 (1) PA18S-150 (2) PA18-105 Special (1) PA18A-135 (1) PA18AS-150 (2) PA18S-105 Special (2) PA18S-135 (2) PA19 (1) PA18-125 (1) PA18AS-135 (2) PA19S (2)

(1) Normal and utility category (2) Normal category only

Engine: Lycoming O-360 A or C series with Marvel Schebler MA4-5 carburetor.

Engine Limits: For all operations, 2700 RPM.

Fuel: 100 minimum grade aviation gasoline - 34.4 gallons usable in all flight conditions. "Both" fuel selector position is required for takeoff and landing.

Propeller: Sensenich Propeller Manufacturing Co. 76EM8-0-52 to 56

76.0 Inches minimum diameter

76.0 Inches maximum diameter

Static limits: Maximum 2450 RPM Minimum 2350 RPM

Propeller: Sensenich Wood Propeller Co., Inc. W80CM8

80.0” Minimum diameter

80.0” Maximum diameter

Static limits: Maximum 2450 RPM Minimum 2250 RPM

For Lycoming O-360 series engines with hollow crankshafts (excludes engines with suffixes having a digit "4" or higher in the second position) the following applies:

Avoid continuous operation between 2150 and 2350 RPM

Propeller: McCauley 1A200/FA8240 to 45

78.0 inches Minimum diameter

82.0 inches Maximum diameter

Static Limits: Maximum 2450 RPM Minimum 2300 RPM

FAA FORM 8110-2- 1 (10-69) PAGE 3 OF 4 PAGES

United States of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SA92NW Cub Crafters, Inc.

Issued: March 1, 1974 Reissued: July 14, 1994; January 26, 2012 Amended: 3/5/74; 12/10/75; 7/29/96; 12/ 19/02; 3/1/04; 4/6/04; 9/28/04

Powerplant Instrument Markings

Oil temperature: O i l P r e s s u r e :

Red radial 40 deg F and 245 deg F Red radial 25 psi and 100 psi Green Arc 120 deg F to 245 deg F Green arc 60 psi to 85 psi Yellow Arc 40 deg F to 120 deg F Yellow arc 25 psi to 60 psi, and 85 psi to 100 psi

Tachometer:

For all engine and propeller combinations except a Lycoming O-360 engine with a hollow crankshaft mounting a Sensenich 76EM8-0-52 propeller:

Red radial 2700 RPM Green arc 500 - 2700 RPM

For a Lycoming O-360 engine with a hollow crankshaft mounting a Sensenich 76EM8-0-52 propeller:

Red radial 2700 RPM Red arc 2150 - 2350 RPM Green arc 500 - 2150 RPM and 2350-2700 RPM

Loading:

Maximum weight (takeoff and landing): 1750 lb (Normal category) 1500 lb (Utility category)

Center of gravity range, aft of wing leading edge Normal category Utility category (+14.0) to (+20) at 1750 pounds (+12.3) to (+19.0) at 1500 pounds (+10.5) to (+20) at 1300 pounds or less (+10.5) to (+19.0) at 1300 pounds or less Straight line variation between points given.

Maximum baggage allowed: 50 pounds

Noise Level:

For the Piper Super Cub as modified by Cub Crafters with the McCauley 1A200/FA8242 propeller installed, the FAR Part 36 Appendix G and ICAO Annex 16 Chapter 10 certification noise level is 78.9 dB with a 90% confidence level of 0.5 dB for the 1750 lb configuration, and 78.6 dB with a 90% confidence level of 0.5 dB for the 2000 lb configuration. With the Sensenich Propeller Manufacturing Co. 76EM8-0-54 propeller installed, the certification noise level is 73.9 dB with a 90% confidence level of 0.3 dB for the 1750 lb configuration, and

73.6 dB with a 90% confidence level of 0.3 dB for the 2000 lb configuration. The noise level for the Sensenich Wood Propeller W80CM8 is between 78.6 dB and 73.6 dB in the 2000 lb. configuration.

- END -

FAA FORM 8110-2- 1 (10-69) PAGE 4 OF 4 PAGES