# STC SA4438NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Hartzell Engine Technologies, LLC, United States
- Description: Installation of Skytronics Model 7650T-B95 70 AMP alternators, Skytronics Model J12M24SP Voltage Controllers and Prestolite Model F0C4003B overvoltage relays
- Applied: May 20, 1982
- Status date: March 6, 2014
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 3A16](https://openairdocs.org/tcds/3A16)
- Certificate PDF: https://openairdocs.org/files/sha256/e4/e5/e4e5600ef269adb8e54fdf0a8feaa6369be8c3067a9283464c44932c50b27e8b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8BF182E0EE45E7AA86257C9B006D147F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4438NM

## ADs that name it (0)

None.

## Approved models (1)

- Beechcraft Corporation B95A ([TCDS 3A16](https://openairdocs.org/tcds/3A16))

## 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 Hartzell Engine Technologies LLC 2900 Selma Highway Montgomery, Alabama 36108

Part 3* of the Civil Air Regulations.

*See Type Certificate Data Sheet 3A16 for certification basis.

Original Product Type Certificate Number : 3A16 Make Beech Model B95A, Serial No. TD-482 Only

Description of Type Design Change: Installation of Skytronics Model 7650T-B95 70 AMP alternators, Skytronics Model J12M24SP Voltage Controllers and Prestolite Model F0C4003B overvoltage relays in accordance with Skytronics, Incorporated Top Drawing 5178-B95, Revision “A”, dated May 11, 1982 or later FAA approved revision. Skytronics, Incorporated FAA Approved Airplane Flight Manual Supplement No. 1, dated June 15, 1982 or later FAA approved revision is required with this installation.

Limitations and Conditions: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation made in Beech Model B95A Serial No. TD-482 only.

Date of application : May 20, 1982

Date of issuance : June 18, 1982

Date reissued : March 6, 2014

(Signature) Haifa Haj-Eid, Supervisor, Technical & Administrative Support Staff Los Angeles Aircraft Certification Office (Title)

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 ZIP Code)

Signature of grantor (In ink):

U.S. GPO 1987-763-289

## Every issue (1)

- March 6, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e4/e5/e4e5600ef269adb8e54fdf0a8feaa6369be8c3067a9283464c44932c50b27e8b)

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