# STC SA3345NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Merlyn Products Inc., United States
- Description: Installation of engines
- Applied: February 1, 1986
- Status date: April 7, 1986
- Product: Aircraft
- Certification basis: Part 21
- Data sheets: [TCDS A12CE](https://openairdocs.org/tcds/A12CE)
- Certificate PDF: https://openairdocs.org/files/sha256/f5/b3/f5b3ad106a9cddc8beb73841c85c1913152dc797cb355f43c5bc4af29d627c00
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B0E9B279E2207D9D862579E2004B5816.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3345NM

## ADs that name it (0)

None.

## Approved models (3)

- Hawker Beechcraft Corporation 60 ([TCDS A12CE](https://openairdocs.org/tcds/A12CE))
- Hawker Beechcraft Corporation A60 ([TCDS A12CE](https://openairdocs.org/tcds/A12CE))
- Hawker Beechcraft Corporation B60 ([TCDS A12CE](https://openairdocs.org/tcds/A12CE))

## 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 NumberSA3345NM1 This certificate issued to: Merlyn Products, InC.

Part 23 of the Federal Aviation Requlations:

Original Product - Type bertificale Number: A12CE Make: Beechcraft Mirket: 60, A60 and B60 Description of Type Design Change: . This Supplemental Type Certificate (STC) approves the installation of engines modified in accordance with STC SE3346NM on Beechcraft 60, A60, and B60 airplanes. Installation must be accomplished in accordance with Merlyn Products, Inc., Induction Air Intercooler System Installation Instructions, Report 01-1, Revision A, dated March 21, 1986, or later FAA approved revisions. Supplemental Type Certificate (STC) Number SE3346NM approved the incorporation of Merlyn Products, Inc., air intercooler system on Lycoming Model TI0-541-E1A4 and TIO-541-E1C4 engines.

Limitations and Conditions: model aircraft only. This approval should not be extended to aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft.

A copy of this Certificate and Addendum must be maintained as part of the permanent

Date of Application: February 1, 1986 Dule vissued: APR 71986 Tale of issuence APR 7 1986 Tute umended:

FEDERAL AVIATION By Direction of the Administrator William B Ashuerit (Signature y THIN STRATOR Manager, Seattle Aircraft Certification Office (Title ›

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA33451M Merlyn Products, Inc.

Applicability of the Design Change Supplemental Type Certificate (STC) SE3346NM permitted the modification of Lycoming Model TI0-541-E1A4 and TI0-541-E1C4 engines by the installation of Merlyn Products, Inc. induction air intercooler accomplished in accordance with Merlyn Products, Inc., Induction Air Intercooler System Installation Instructions, Report No. 01-1, Revision A, dated March 21, 1986.

The Model designation for these modified engines is TI0-541-E1A4 MP and TIO- 541-E1C4 MP and they may be installed in the following Beechcraft airplanes only:

Airplane Type Cert. Cert. Basis Model No. Regulation Effective Date Amendments 60 A12CE FAR Part 23 2-1-65 1, 2, 3, 7, 11, 12 АбО A12CE FAR Part 23 2-1-05 1, 2, 3, 7, 11, 12 B6О A12CE FAR Part 23 2-1-55 1, 2, 3, 7, 11, 12 Engine Limits:

Takeoff and maximum continuous power at 2,900 r.p.m. and 41.5 in. Hg., 380 b. HP.

-END-

**FAA FORM B110-2-1 (10-69) PAGE OF 3 PAGES**

## Every issue (1)

- April 7, 1986: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f5/b3/f5b3ad106a9cddc8beb73841c85c1913152dc797cb355f43c5bc4af29d627c00)

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