STC SA686CE

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

Number SA686CE

This certificate issued to

Part 3 of the Civil Air Regulations.

( See Type Certificate Data Sheet 3A15 for complete certification basis)

Installation of Continental IO-520-B engine derated to power shown in the appropriate Airplane Flight Manual Supplement and Hartzell HC-C3YF-1/8468A-8R (Low 10.0° ± .2, High 36.0° ± 1.0 Blade Angle Stop at 30 inch Sta.)

propeller or McCauley 2A36C23/84B-2 (Low 13.3°, High 29.7° Blade Angle Stop from Ref. Sta. 30) propeller in accordance with AeroStol drawing 3100B, Sheet 1, Rev. B, dated 11/15/75 and 3100, Sheet 2, dated 9/18/75, or later FAA approved revisions, for all of the above Beech model aircraft, except Model G33.

(Continued on page 3) Limitations and Conditions:

The following FAA Approved Airplane Flight Manual Supplements, or later FAA approved revisions, are required:

a. Dated 12/23/75 for Beech Models J35, K35, & M35

b. Dated 12/23/75 for Beech Models N35 & P35

c. Dated 12/23/75 for Beech Model H35 (IO-520-B engine only) (See Continuation Sheet 3)

This certificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration.

D’Shannon Products, Ltd.

1309 County Road 134 Buffalo, MN 55313 3A15 Make : Beech Model :

H35, J35, K35, M35, N35, P35, 35-33, 35-A33, 35-B33 35-C33, E33, F33, & G33 Date reissued : March 26, 1975, January 13, 1976, February 18, 1983, March 15, 2011 June 17, 2011 Date amended : February 28, 1986, January 20, 1987

By direction of the Administrator Original Signed By:

Timothy Smyth

( Signature) Timothy Smyth Manager, Propulsion Branch Chicago Aircraft Certification Office

( l ) Date of application: September 12, 1969

Date of issuance : January 30, 1970

Date Amended: January 20, 1987

Description of Type Design Change (cont.):

For Model 33 installation of the Continental IO-520-BB engine derated to the power shown in the appropriate Airplane Flight Manual Supplement and McCauley 2A36C23/84B-O (Low 13.3°, High 29.7° Blade Angle Stop, Ref. Sta. 30) propeller in accordance with D’Shannon Products Drawing G3M2686BB, Rev. 1, dated 2/27/86 (5 sheets), or later FAA approved revisions.

For Model H35 installation of the Continental IO-520-BB engine derated to the power shown in the appropriate Airplane Flight Manual Supplement and McCauley 3A32C406/82NDB-2 propeller in accordance with D’Shannon Products Drawing H353A32C406BB Rev. 1, dated 11/25/86 (5 sheets), or later FAA approved revisions.

Limitations and Conditions: (Continued from Page 1 of 3)

d. Dated 12/23/75 for Beech Models 35-33, 35-A33, 35-B33, 35-C33, E33, & F33

e. Dated 12/23/75 for Beech Model G33

f. Dated 12/23/75 for Beech Model H35 (IO-520-BB engine 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 by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft.

A copy of this STC shall be included in the permanent records of each aircraft modified in accordance with this STC.

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.

…END…