# STC SA294SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: TALCO Aviation, United States
- Description: Installation of turbocharged Continental I0-470-D engines. S
- Applied: May 1, 1964
- Status date: August 31, 2023
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS 3A10](https://openairdocs.org/tcds/3A10)
- Certificate PDF: https://openairdocs.org/files/sha256/b6/b7/b6b7c94eb7a904d076eb17589485d950ae9cf89b119d01dee8d012c86236bb6d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103648216120231130181735.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA294SO

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 310H ([TCDS 3A10](https://openairdocs.org/tcds/3A10))

## 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.

SA294SO TALCO Aviation 3015 E. New York St, STE A2-270 Aurora, IL 60504 * * 3A10 Cessna 310H

(See continuation sheet 3 of 3) May 1, 1964 December 5, 1974; February 10, 1982; October 30, 1987; September 22, 1995;

January 16, 2004; July 3, 2006; March 16, 2007, March 5, 2018; February 2, 2021; August 31, 2023 May 28, 1964 June 9, 1967 for Paul (Vu) Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 3

SA294SO 3

SA294SO Date of Issuance: May 28, 1964 Date Amended: June 9, 1967 Date of Reissuance: August 31, 2023

*Part 3 of the Civil Air Regulations dated November 1, 1949, as amended by 3-1 through 3-10, and amendments 3-2 and 3-5 of CAR 3 dated May 15, 1956.

Installation of turbocharged Continental IO-470-D engines. See below for required descriptive data and required related modifications.

Installation A or B of turbocharged Continental IO-470-D engines (STC SE96SO). The fuel system must be modified in accordance with STC SA2-712, and the exhaust system must be modified in accordance with STC SA2-880 amended May 28, 1964 or later. FAA approved Pilot's Check List dated May 28, 1964, required.

A. Turbocharger installation per FAA approved Riley Aeronautics Corp. Drawing List R0010.

B. Turbocharger installation per FAA approved Riley Aeronautics Corp. Drawing List R0025.

Airworthiness compatibility of the modifications for this STC with all other major modifications to the standard original model(s) shown above should be confirmed prior to modification per this STC. 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.

-END- 3 3

## Every issue (5)

- August 31, 2023: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b6/b7/b6b7c94eb7a904d076eb17589485d950ae9cf89b119d01dee8d012c86236bb6d)
- February 2, 2021: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/7d/f4/7df46513aac9c8eebf71f25bb2311060ebce38b95e7ca69121bbe51d27f3cf2e)
- March 5, 2018: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/45/e4/45e442ab5ecb4fb7084557c4446551ea4718b1cae1904dd822b1e5293eb6636b)
- July 3, 2006: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/45/af/45affd56268eb091f8b8f1ddeb8c65845c1291eeb72852710df0912419d48144)
- January 16, 2004: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/6c/bf/6cbfcb13a91f427195d64606058283db56162bbde2b53d81c00312f6546fc1cc), [SA294SO-1.pdf](https://openairdocs.org/files/sha256/8f/67/8f67622fdb8f21550b15cd1ed3b8d86926397a224718afcb00cb7c98ac64eed1)

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