# STC SA10207SC

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Pratka Allen J, United States
- Description: Installation of Lycoming O-360-A3A engine, Senenich 76EM8-S5-0-60 propeller, B & C Specialty Products L-40 alternator, LR3B-14 voltage regulator, and Knisley Exhaust System Inc muffler
- Applied: May 7, 1999
- Status date: January 30, 2004
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- Certificate PDF: https://openairdocs.org/files/sha256/29/df/29df421732075fded5fbaef0b0ec7611bd8f28981c041441bbe047b538e10050
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/64FC91711BC4AAD386256EA00063C1B4.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA10207SC

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. PA-28-140 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Project Number ST5887SC-A, (PWH) Number: SA102075C This certificate issued to: Allen J. Pratka 2866 2nd Street Pleasanton, TX 78064 furt 3 c/ the Civil Air Reguluticas.

Original Product Type Certificate Vanter : 2A13 Make: Piper Model: PA-28-140 Fescriplien c/ Type Fesign Change: Installation of Lycoming 0-360-AЗA engine, Senenich 76EM8-S5-0-60 propeller, B & C Specialty Products L-40 alternator, LR3B-14 voltage regulator, and Knisley Exhaust System Inc.

muffler in accordance with Photograph Set 1 thru 12. The Airplane Flight Manual Supplement, dated January 30, 2004, or Jater FAA approved revision is required.

initions rend Cenditions: Descriptive data pertaining to this design change are considered inadequate for duplication in other airplanes. This approval is limited to only the installation made in a Piper Model PA-28-140, Serial No. 28-20983. This STC does not permit manufacturing of parts for multiple installations. The Sensenich 76EM8-S5- 0-60 propeller blade diameter limits are: not over 76 inches and not under 75.5 inches. The Lycoming O-360-A3A engine is limited to a maximum of 2550 RPM. The airplane is limited to Normal Category operations with: (a). Gross weight remaining at 2150 pounds, and (b). All aerobatic maneuvers, including spins are prohibited.

Administrater of the Freteral Aviatica Administratico.

Let c/ upplication : May 7, 1999 Lut reissued :

Lute of issuunce : January 30, 2004 Late acaded AVIATION direction Affe. Administrater (Sign S. Ajances Cox TOMINISTRATO Southwest Region Manager, Special Certification Office (Tute) ding $1,000, or impriso ent not exceeding 3 years, or both.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ZIP code ) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and ZIP code ) Extent of Authority (if licensing agreement): - Date of Transfer:

Signature of grantor (In ink):

## Every issue (1)

- January 30, 2004: Issued, Current. [certificate](https://openairdocs.org/files/sha256/29/df/29df421732075fded5fbaef0b0ec7611bd8f28981c041441bbe047b538e10050)

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