# STC SA2051NM

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Arnav Systems Inc, United States
- Description: Installation of a ARNAV Systems AVA-1000 Loran C Navigation System
- Applied: November 19, 1982
- Status date: June 24, 1983
- Product: Aircraft
- Certification basis: Part 21
- Data sheets: [TCDS 1A10](https://openairdocs.org/tcds/1A10)
- Certificate PDF: https://openairdocs.org/files/sha256/73/85/7385ba9820bbf1c9539e67808fa85797b5ba9135a689e3913c641a96806a6227
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/52F846BD80335CFD862579ED0054752A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2051NM

## ADs that name it (0)

None.

## Approved models (4)

- Piper Aircraft Inc. PA-23 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))
- Piper Aircraft Inc. PA-23-160 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))
- Piper Aircraft Inc. PA-23-235 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))
- Piper Aircraft Inc. PA-23-250 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))

## 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: SA2051NM This certificate issued to: ARNAV Systems Inc.

Certifies that the change in the type design for the folluwing firduct with the limitations and conditions therefer as specified hereon meets the air rhiness requirements / Part 23 f the CiVil Aviation Regulations.

Original Product - Type Certificate Number. 1A1O Piper Model: PA-23 Series - basic, -160, -235, -250 Description of Type Design Change:

Installation of a ARNAV Systems AVA-1000 Loran C Navigation System in accordance with the attached FAA sealed drawings ARNAV numbers 2003, 2004, 2005, 2019, 3001, and 453-0089 Rev. B, and 2020.

Limitations and Conditions: . This change in type design applies to Piper Model PA-23 Series - basic, -160, -235, and -250 aircraft. This type design change should not be extended to other specific models of these airplanes on which previously approved modifications are incorporated, unless it is determined that the interrelationships between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that no tears of there airplane. A copy of this certificate and the FAA Approved Flight Manual Supplement must be kept in the permanent records of the modified aircraft.

Date of Application: NOvember 19, 1932 Lute missued.

March 9, 1983 Date Amended: June 24, 1983 FEDERAL AVIATION By Direction of the Administrator Aelstem Manager, Seattle Aircraft COMINISTRATO Certification Office, ANM-100S & Title i

This certificate may be transferred in arrordance with FAR 21,47.

**FAA FOR 8110-2 (10-68)**

## Every issue (1)

- June 24, 1983: Amended, Current. [certificate](https://openairdocs.org/files/sha256/73/85/7385ba9820bbf1c9539e67808fa85797b5ba9135a689e3913c641a96806a6227)

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