# STC SA1752WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: SOUTHWESTERN AERO EXCHANGE INC., United States
- Description: Installation of AiResearch Air Conditioning system.
- Applied: March 20, 1968
- Status date: May 1, 2006
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A-765](https://openairdocs.org/tcds/A-765)
- Certificate PDF: https://openairdocs.org/files/sha256/8b/31/8b31c4c30bb7393adbcef50dce1ed10c395164e6f5a0580453c919d89d41432c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2809EE6EBAE9E6D68625719A00537EE8.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1752WE

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company C-45H ([TCDS A-765](https://openairdocs.org/tcds/A-765))

## 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 Southwestern Aero Exchange, Inc.

18502 East 108th Street North Owasso, Oklahoma 74055-8124 Part 3 of the Civil Air Regulations.

A-765 Beech C-45H

Description of Type Design Change: AiResearch Air Conditioning System in accordance with FAA Sealed Volpar List of Drawings No. 2290 for Volpar Turboliner Aircraft. Volpar Airplane Flight Manual D-105, Supplement No. 1, is required. Applicable to the following models when modified per STC SA1636WE: Beech JRB-6, D18C, D18S, D18S, E18S, E18S-9700, C45G, TC-45G, C-45H, TC-45H, TC-45J (SNB-5).

Limitations and Conditions: 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.

This certificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration.

Date of application: March 20, 1968

Date of issuance: July 26, 1968

Date reissued: January 23, 1998; May 1, 2006

( Signature)

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

## Every issue (2)

- May 1, 2006: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/8b/31/8b31c4c30bb7393adbcef50dce1ed10c395164e6f5a0580453c919d89d41432c)
- February 27, 2006: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/43/18/4318bc811265fc4d3af04313bbb12da21e40702b8c689aaf14f42922aa1ef8d6)

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