# STC SA1733SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Mitsubishi Heavy Industries America Inc., United States
- Description: Installation of battery temperature warning system.
- Applied: August 23, 1973
- Status date: January 19, 2001
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A2PC](https://openairdocs.org/tcds/A2PC)
- Certificate PDF: https://openairdocs.org/files/sha256/9c/37/9c37071625babc2edf417826061f17f08f6e1d700e8d95a28314ef7117ee5b73
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6CA6C00EFD252D0D85256CC10083CF96.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1733SW

## ADs that name it (0)

None.

## Approved models (2)

- Mitsubishi Heavy Industries Ltd. MU-2B-25 ([TCDS A2PC](https://openairdocs.org/tcds/A2PC))
- Mitsubishi Heavy Industries Ltd. MU-2B-26 ([TCDS A2PC](https://openairdocs.org/tcds/A2PC))

## 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: SA17335W This certificate issued to: Mitsubishi Heavy Industries, Ltd.

Licensee: Mitsubishi Heavy Industries America, Inc.

4951 Airport Parkway, Suite 800 Addison, TX 75001 Purt 10/3 of the Civil Air Regulations.

Original Product Type Certificate Number: A2 PC Make: Mitsubishi Model: MU-2B-25, MU-2B-26 Description of Type Design Change:

Installation of Battery Temperature Warning System per MAI Engineering Design Summary 925A-0016, Revision E dated 3/19/75.

FAA Approved Airplane Flight Manual Supplement dated September 21, 1973, is required for MU-2B-25; Supplement dated September 13, 1974, is required for MU-2B-26.

Date of Application: August 23, 1973 Date Reissued: 3/31/86; 8/17/99; 1/19/01 Date of Issuance: September 21, 1973 Date Amended: 9/13/74; 12/23/74;

5/23/75 Rev. 3 FEDERAL AVIATION By Direction of the Administrator Mechale Mouser (Signature) TOMINISTRATIO Michele M. Owsley, Manager Airplane Certification Office, Southwest Region (Title)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ZIP code ) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and 21P code ) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

**FAA AC 69-5536**

## Every issue (1)

- January 19, 2001: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/9c/37/9c37071625babc2edf417826061f17f08f6e1d700e8d95a28314ef7117ee5b73)

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