# STC SA4313NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Precise Flight Inc, United States
- Description: Installation of a stainless steel exhaust crossover system with dual outlets and dual heat muffs
- Applied: February 23, 1988
- Status date: April 28, 1988
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 1A15](https://openairdocs.org/tcds/1A15)
- Certificate PDF: https://openairdocs.org/files/sha256/04/bf/04bf711208e7a39991526ff8cd93231833db7cae903eface305a120d6e73908a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/997C9685E6179EF786257A09005948D4.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4313NM

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. PA-24 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))

## 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 Number SA4313NM This certificate issued to: Precise Flight, Inc.

Purt 3 of the CIV11 AIT Regulalions: Effective November 1, 1949 Original Product - Type bertificate Number: 1A15 Make: Piper Model: PA-24 Description of Type Design Change:

Installation of a stainless steel exhaust crossover system with dual outlets and dual heat muffs in accordance with Precise Flight, Inc.

Photos (1) through (6).

Limitations and Conditions: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Piper model PA-24 aircraft, Serial Number 24-1748,. only. A copy of this Certificate shall be maintained as part of the permanent records for the modified aircraft.

Date of Application: February 23, 1988 Date Reissued:

April 28, 1988 FEDERAL AVIATION By Direction of the Administrator Danid grie Signature) TOMINISTRATO Manager, Aircraft Modification Branch (Title)

47.

## Every issue (1)

- April 28, 1988: Issued, Current. [certificate](https://openairdocs.org/files/sha256/04/bf/04bf711208e7a39991526ff8cd93231833db7cae903eface305a120d6e73908a)

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