# STC SA1022NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Twin City Airways, United States
- Description: Installation of a late model instrument panel
- Applied: June 18, 1980
- Status date: September 12, 1980
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/61/05/6105a06cc18d3e3ed85ccd537fdac47bb196b8b5ab3621ae3d1c772aed2710c7
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E482E353CC78E95E86257A0800501EC5.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1022NW

## ADs that name it (0)

None.

## Approved models (1)

- Hawker Beechcraft Corporation J35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## 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: SA1022NW This certificate issued to: Twin City AIrways Part 3 of the CiVi1 Air Regulations, May 15, 1956.

Original Product - Type Certificate Number: 3A15 Make: Beech Mirtel: J35 Description of Type Design Change: Installation of a late model instrument panel in accordance with Iwin City Airways photographs 1 through 8.

Limitations and Conditions: . Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Beech J35, Serial Number D-5566 only. A copy of this Certificate shall be maintained as part of the permanent records for the modified aircraft.

Date of Application: June 18, 1980 Date Reissued:

Date of Issuance: . September 12, 1980 Date Amended:

FEDERAL AVIATION Kharla tehave des (Signature) TO MINISTRATIO Chief, Engineering and Manufacturing Branch (Title)

## Every issue (1)

- September 12, 1980: Issued, Current. [certificate](https://openairdocs.org/files/sha256/61/05/6105a06cc18d3e3ed85ccd537fdac47bb196b8b5ab3621ae3d1c772aed2710c7)

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