# STC SA1518NM

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Univair Aircraft Corp, United States
- Description: Installation of stamped aluminum wing ribs.
- Applied: August 20, 1982
- Status date: February 25, 1983
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-698](https://openairdocs.org/tcds/A-698)
- Certificate PDF: https://openairdocs.org/files/sha256/99/95/99951090591a8c0b2e0d398e63e8e428c62ba96cf2a993c6c7baa84819f4e2a7
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6538F2DA5156976D85256CC10082127A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1518NM

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. J3L ([TCDS A-698](https://openairdocs.org/tcds/A-698))

## What the certificate says

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

A-846hMD= United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA1518NM This certificate issued to: Univair Aircraft Corp.

Route 3, Box 59 Aurora, Colorado 80011 Part 42 of the CIVIl Air Regulations.

Original Product - Type Centificate Number: 698 Make: Piper Model: J-3L Description of Type Design Change: .

Installation of stamped aluminum wing ribs in accordance with Univair's "Applicatior Chart Univair Replacement Rib Cross Reference to Piper Original Rib FAA approved October 25, 1982 or subsequent FAA approved revision.

Limitations and Conditions: For airplanes with metal wing spars only.

This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those previously approved modifications will introduce no adverse effect upon the airworthiness of the aircraft.

Date of Application: AUgUSt 20, 1982 Suede missued:

Date of Issuance: October 25, 1982 Jake mended: February 25, 1983 FEDERAL AVIATION By Direction of the Administrator wark E. Talkien Mark E. Baldwin, (Signature) Manager TAIMISTRATO Denver Aircraft Certification Field Office Northwest Mountain Region, Aurora, Colorado (Title)

47.

## Every issue (1)

- February 25, 1983: Amended, Current. [certificate](https://openairdocs.org/files/sha256/99/95/99951090591a8c0b2e0d398e63e8e428c62ba96cf2a993c6c7baa84819f4e2a7)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.