STC SA3-603

MANI * ACA-2417 Form Approved. Badedt-Burday No. é1-R1823 FEDERAL AVIATION AGENCY Fia IMSTRUCTIONS - Submit_in triplicate to 1o- Supplemental Type Certificate cal GAAAviation Safety Agent. be returned to applicant upon issuance. Copy wil1

1. NAME AND ADDRESS OF APPLICANT Supplemental Type Certificate APPLIED FOR:

AIRCRAFT ENGINE PROPELLER Fortivest Airlines, Ino.

1535 Univeralty Avenue ORIGINAL MODEL_DESIGNATION St. Faul 1, Minnesota D-32> NEW MODEL DESIGNATION (If de sired)

3. DESCRIPTION OF CHANGE 1 Poles 5 In e reevebio, treek mounted corco bin on the le. side or tho fortord enan, (rue. ete. 205 to 353), In lieu of two exasta veelation to the da exproved 10e) interior errerponente chour on devinge 200, «131(A) and -135. Cofor to In 2otter file 04l.7 (PA) detod 10/7/60 and ing comblo fleet eleso poccarcor socto. 29752- teehonto for odditionol aplenation eni ptrosa emiycis. Refor to chicched 1025-91365B3 cheese) 8025-31434 8225-31127 5003753-13(4) 80253137C (A) 8025-31371 (A) 1025-31309 (3 oboote) 3125-33307 (A) 82501300 9025-32013 8025-3142(8) 8A25: 31426 3025-3123 (A) 2129752-131 (8) 8829752-135 1225-31432 (A) 3025-31373A(3 cheeta) 225-37 272 (A) 9:25 312060(2 phoote)

a. WILL DATA BE AVAILABLE FOR SALE OR RELEASE TO OTHER PERSONS? I YES NO

b. WILL PARTS BE MANUFACTURED FOR SALE (Ref. CAR 1.55)? • YES / NO

5. SIGNATURE AND TITLE OF APPLICANT

SIGNATURE Poverter 1, 160 Director of Engineering Date of Application: TITLE NATURE AND LOCATIoN oF DATA: Dha Following data are on 1iVe in Cha Engineering and TO BE COMPLETED BY SO TAS Manufacturing Branoh, Kensas City, Hissouri:

Dreviage listed in Item 3 plus 8D25-31444, 8D25-31445A, 8D25-31446, SB31624-1-2-Rov.A, SB31624-4-5-6.

Stress Analyais Report No. 8-25-31624-1, Rev. A. (12-12-60).

Engineering Order 8-25-31624.

Static Teste 8-25-31624-2 (12-12-60).

Approvel Basie: CAR 4b, 12-31-53 and Auendment.

FAA ONE DI TYPE CERTIFICATE NO. ERE APPROVAL ORIGINAL SEED BI 4A.25 EMENTAL TYPE CERTIF JOHN A, CArol

SIGNATURE SA3-603 DATE OF APPROVAL John A. Carran, Chief, Enginsering and Manufacturing Branch,LE-3109 December 29, 1960 TITLE FORM ACA-2417 (7.56)