# STC SA442NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Carl M May, United States
- Description: Installation of hand operated rudder and brake controls
- Applied: April 19, 1977
- Status date: May 24, 1977
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-777](https://openairdocs.org/tcds/A-777)
- Certificate PDF: https://openairdocs.org/files/sha256/cb/4e/cb4e4858c36bc92e73ee1d70dd373bc08d1fde74b80169638d861ddd1d9e0dfa
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/95AFEDEFB75F98FD86257A47005CE9F8.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA442NW

## ADs that name it (0)

None.

## Approved models (1)

- Hawker Beechcraft Corporation D35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Hrited States of Sectica Department of Transportation Federal Aviation Administration Supplemental Type Certificate Fis certificate, escal le CARL M. HAY Purt 03 afthe CiVil Air Regulaliens, Effective November 13, 1945.

Original Product -Typefurtificale Lumber: A-777 Make: Beech Mild: D35 brake controls in accordance with Carl M. Hay sketches, numbers 1 and 2. Triplien/TypeSsimthange: Installation of hand operated rudder and Similalim andendil: Data pertaining to this modification are considered inade- quate for duplication in other aircraft. This approval is limited to the installation in Beech Model D35, Serial Number D3499 only. A copy of this Certificate shall be maintained as a part of the permanent records for the modified aircraft.

I ate f afflicotion. April 19, 1977 Jat wissued:

Date of isoner May 24, 1977 Date Amended:

AVIATION By offiction the Stalinistrel Alaster RATION Chi Engineering and Manufacturing Branch title › or toon at not exceed ng 3 was, or both.

МАА/оки 8110-2(10-A3)

## Every issue (1)

- May 24, 1977: Issued, Current. [certificate](https://openairdocs.org/files/sha256/cb/4e/cb4e4858c36bc92e73ee1d70dd373bc08d1fde74b80169638d861ddd1d9e0dfa)

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