# STC SA4487NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: G & D Aero Products Inc., United States
- Description: Installation of acrylic window liners in accordance with FAA approved Gale R. Calhoon Report No. 1, Revision A, dated June 15, 1988, or later FAA approved revision.
- Applied: June 15, 1988
- Status date: January 23, 2004
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A23CE](https://openairdocs.org/tcds/A23CE)
- Certificate PDF: https://openairdocs.org/files/sha256/84/24/84241ec460cef02728cea014130b779a16e71d6eb9bc0adf81dc1afc23c1c645
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EDADD788BF856F4B86256E6E006D8462.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4487NM

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company 58TC ([TCDS A23CE](https://openairdocs.org/tcds/A23CE))

## 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.

This Certificate issued to G & D Aero Products, Inc.

23220 Miners Road, Gavlan Hills Perris, California 92570

Part 23* of the Federal Aviation Regulations. *Certification basis set forth in Type Certificate Data Sheet A23CE

A23CE

**BEECH**

58TC Original Product Type Certificate Number :

Description of Type Design Change: Installation of acrylic window liners in accordance with FAA approved Gale R. Calhoon Report No. 1, Revision “A”, dated June 15, 1988, or later FAA approved revision.

Limitations and Conditions: This installation should not be incorporated in any aircraft unless it is determined that the interrelationship between this installation and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of application : June 15, 1988

Date of issuance : September 9, 1988 Date reissued : Dec. 27, 1995; Jan 23, 2004

( Signature)

Manager, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office

(Title)

## Every issue (1)

- January 23, 2004: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/84/24/84241ec460cef02728cea014130b779a16e71d6eb9bc0adf81dc1afc23c1c645)

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