# STC SA574SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Nayak Aviation Corp, United States
- Description: Rear baggage door installation
- Applied: December 2, 1965
- Status date: December 8, 1965
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 1A10](https://openairdocs.org/tcds/1A10)
- Certificate PDF: https://openairdocs.org/files/sha256/6d/dd/6ddd23858f3c0f1b8bdc6bae67266db4bb47835a69360b0dd70c0c8b36440f22
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/99446AED2199D85486257EE7006DF0EE.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA574SW

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. PA-23-250 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))

## 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.

**FEDERAL AVIATION AGENCY**

**SUPPLEMENTAL TYPE CERTIFICATE FORM APPROVED, BUDGET BUREAU NO. 04-R015**

**INSTRUCTIONS - SUBMIT IN TRI PLICATE TO LOCAL FAA FLIGHT STANDARDS INSPECTOR.**

**COPY WILL BE RETURNED TO APPLICANT UPON**

**ISSUANCE**

1. NAME AND ADDRESS OF APPLICANT Hayak Aviation Corporation806 1* Ttrtinal Drlvt Sen Antonio, T*xa« 78216

2. SUPPLEMENTAL TYPE CERTIFICATE APPLIED FOR:

I yl AIRCRAFT I I ENGINE I I PROPELLER

**ORIGINAL MODEL DESIGNATION**

3. DESCRIPTION OF CHANGE Raar B*61100; :c Installation jwur Nayak Drawing Ho,5.

WILL DATA BE AVAILABLE FOR SALE OR RELEASE TO OTHER PERSONS?

WILL PARTS BE MANUFACTURED FOR SALE (Kef. CAK 1.

**5. SIGNATURE AND TITLE OF APPLICANT**

**SIGNATURE**

DATE OF APPLICATION PraaldaotTITLE

6. To be Completed by FAA

NATURE AND LOCATION OF DATA Data listed in Item 3 above, Drawings Hoc. 50111 dated 5/30/65, 51102 dated 12/3/65, 51103 dated 11/29/65, 51104 dated (no date), 51105 (no date), 51106 (no date), 51107. 51108, 51109 dated 12/3/65, 50109 dated 6/1/65, 50110 dated 5/12/65, Nayak Part* List, and Mayak Aircraft Corporation Structural Analysis dated 12/4/65 on file at SW-210.

Reference Project A729SWS Applicable regulations: same as original certification.

**ORIGINAL TYPE CERTIFICATE NO.**

**1A10 SUPPLEMENTAL TYPE CERTIFICATE NO.**

**SA574SW ,E OF APPROVAL 12/8/65**

FAA APPROVAL SI6NATURE H. H. Slaughter C'^ief, Engineering and Manufacturing Branch Tl TLE FAA AC 64-306 FORM FAA-2417 (5-59)

## Every issue (1)

- December 8, 1965: Issued, Current. [certificate](https://openairdocs.org/files/sha256/6d/dd/6ddd23858f3c0f1b8bdc6bae67266db4bb47835a69360b0dd70c0c8b36440f22)

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