STC SA519SW

FEDERAL AVIATION AGENCY

SUPPLEMENTAL TYPE CERTIFICATE Form Approved, Budget Bureau No. O^-ROIS INSTRUCTIONS - Submit in triplicate to local FAA Flight Standards Inspector. Copy will be returned to applicant upon issuance.

1. NAME AND ADDRESS OF APPLICANT Butchiasoa Aircraft Service

f. O. Box 524 Borger, Texas

2. SUPPLEMENTAL TYPE CERTIFICATE APPLIED FOR:

I xl AIRCRAFT II ENGINE [I PROPELLER

ORIGINAL MODEL DESIGNATION NEW MODEL DESIGNATION (If desired) -JOB*

3. DESCRIPTION OF CHANGE treat spar center section beef-tip la accordance with Bate hiasea Aircraft's General Instructions with revision MA" dated 5/26/65, Detail Instruct ion*, sketches A and B, Explanation Photographs, and Installation Illustration drawing with revision "A" dated 5/26/65.

MOTKt When this Modification ia installed inspection period* in section (a) of AD63-25-1 may be increased to 1000 hour, titw in service. Modified parts oust be resurved and inspected by Magnetic particle, or equivalent Method when the truss ia inspected.

A. WILL DATA BE AVAILABLE FOR SALE OR RELEASE TO OTHER PERSONS? CH YES

b. WILL PARTS BE MANUFACTURED FOR SALE (Set. CAR 1.55)1 E YES NO NO

5. SIGNATURE AND TITLE OF APPLICANT

SIGNATURE

DATE OF APPLICATION TITLE

6. To be completed by FAA

NATURE AND LOCATION OF DATA Data listed ia item 3 above, Production Instructions for tension bars with K.O.

dated 5/26/65, Production Instructions for toggle nut with K.O. dated 5/26/65, drawing Ho. I dated 2/15/65 with K.O. dated 5/10/65, Jobs W. Hlse's letter dated 5/6/65, aad Beech Aircraft Corporation letter dated 1/20/65, Cl-210 MSK> randu. of Hay 21, 1965 on file at SW-210.

Reference Projects A7USWS Applicable regulations: Sa*e as original certification.

ORIGINAL TYPE CERTIFICATE NO.

777 'PLEMENTAL TYPE CERTIFICATE NO.

SA519SW DATE 6F APPROVAL 5/16/65

FAA APPROVAL

SIGNATURE Chief, inhering . H, Slaufhteriring and tJanufacttTl TLE 3540 Form FAA-2417 (5-59)