# STC SA539WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: TALCO Aviation, United States
- Description: Installation of Turbocharged Lycoming IO-540-C1B5 or IO-540- C1C5 engines
- Applied: March 17, 1964
- Status date: August 31, 2023
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS 1A10](https://openairdocs.org/tcds/1A10)
- Certificate PDF: https://openairdocs.org/files/sha256/b1/2f/b12fa572236ed2759a37807c3ce17c4717df92b4641d596ea569113c7f9958a0
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID192624089520231130182514.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA539WE

## ADs that name it (3)

- [AD 2002-19-03](https://openairdocs.org/ad/2002-19-03): Crankshaft · Lycoming Engines IO-540-A1A5, IO-540-AA1A5, IO-540-AA1B5 and 81 more. Effective Sep 20, 2002. Named in the applicability
- [AD 81-19-04](https://openairdocs.org/ad/81-19-04): Hose Assembly · Rajay Hose Assemblies, 500A, 500B and 87 more. Effective Sep 17, 1981. Cited in the text
- [AD 65-02-03](https://openairdocs.org/ad/65-02-03): Turbochargers · Rajay Turbochargers with STC SA529WE or 6 others. Named in the applicability

## Approved models (2)

- The New Piper Aircraft Inc. PA-23-235 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))
- The New Piper Aircraft Inc. PA-23-250 (Navy UO-1) ([TCDS 1A10](https://openairdocs.org/tcds/1A10))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

SA539WE TALCO Aviation 3015 E. New York St, STE A2-270 Aurora, IL 60504 Part 3 the Civil Air Regulations 1A10 Piper PA-23-235 and PA-23-250 Installation of Turbocharged Lycoming IO-540-C1B5 or IO-540-C1C5 engines in accordance with FAA Sealed Roto-Master (Rajay) Drawing List No. RJ0500 or later FAA approved revision.

(See continuation sheet 3 of 3) May 17, 1964 January 14, 1969; February 10, 1982; September 22, 1995; January 16, 2004; July 03, 2006; March 16, 2007; March 5, 2018; February 2, 2021; August 31, 2023 May 22, 1964 June 14, 1966; March 21, 1985; September 19, 2006 for Paul (Vu) Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 3

SA539WE 3

SA539WE Date of Issuance: May 22, 1964 Date Amended: September 19, 2006 Date of Reissuance: August 31, 2023

The engines must be previously modified to incorporate turbochargers in accordance with STC No. SE6WE. This approval of change in type design applies to the basic Piper PA-23-235 and PA 23-250 aircraft, S/N 27-1 through 27-2504 only. The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission. Refer to sheet Two of FAA sealed Drawing List No. RJ0500 for required Airplane Flight Manual Supplement.

-END- 3 3

## Every issue (5)

- August 31, 2023: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b1/2f/b12fa572236ed2759a37807c3ce17c4717df92b4641d596ea569113c7f9958a0)
- February 2, 2021: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/9a/f8/9af83735bd57aec180b152217db46b54c77a96352bdd96e71dd0b16cab3cb272)
- March 5, 2018: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/1b/60/1b6035be5c27d7e13f5edae12428e2f4f8149a6671745864b5462ae8e86da10e)
- May 3, 2006: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/78/29/7829bcb9be6a10d9ee318391b63703f1e0dc744326163912f2fa032bd19212e0)
- January 16, 2004: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/75/54/7554a28e8728c6cafbd3c5e788667a558859ea404f4466dadb20c047e1c70b2d)

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