# STC SA1813SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aero Instrument Division of Crites Industries Inc, United States
- Description: Installation of battery temperature sensing and indicating system.
- Applied: December 4, 1973
- Status date: June 28, 1984
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A20](https://openairdocs.org/tcds/3A20)
- Certificate PDF: https://openairdocs.org/files/sha256/b1/c1/b1c13abc290d6bd29cdeb19cc2da3806588f3e0b060a08e859fe26dd6cab9413
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9C79E9A356DA450786257D57005618F1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1813SW

## ADs that name it (0)

None.

## Approved models (1)

- Beechcraft Corporation 65-A90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))

## 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: SA181354 This certificate issued to: Aero Instrument Division of Crites Industries, Inc.

7515 Lemmon Ave. Hangar L P. 0. Box 7481 Dallas, Texas 75209 Part 3 of the CIVIL AIT Regulations Original Product - Type Gertificate Numben: ЗА20 Make: Beech Model: 65-A90 Description of Type Design Change:

Installation of a Battery Temperature Sensing and Indicating System according to Installation Drawings 214-B-A, Sheet 9 dated 2/20/73, 214-W-1, Sheet 12A dated 11/1/73, 214-P1, Sheet 13 (no date) 214-P2, Sheet 14 (no date), 214-W-2, Sheet 15 dated 11/1/73.

FAA Approved Airplane Flight Manual Supplement dated March 8, 1974 is required.

Compatibility of this modification with other previously approved modifications must be determined by the installer.

Date of Application: December 4, 1973 Date Reissued:

June 28, 1984 Revsion l Date of Issuance: March 8, 1974 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Don P. Watson (Signaturé) TAINIST RATE Manager, Aircraft Certification Division Southwest Region (Title)

47.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and Z1P code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Date of Transfer: _ Signature of grantor (In ink):

**FAA AC 69-5536**

## Every issue (1)

- June 28, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b1/c1/b1c13abc290d6bd29cdeb19cc2da3806588f3e0b060a08e859fe26dd6cab9413)

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