# STC SA1-4

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Skycraft Design Inc, United States
- Description: Recover outer wing panels with metal.
- Applied: June 13, 1956
- Status date: August 15, 2007
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-718](https://openairdocs.org/tcds/A-718), [TCDS A-787](https://openairdocs.org/tcds/A-787)
- Certificate PDF: https://openairdocs.org/files/sha256/06/9e/069e7357d8be36f20d3bfaa4c4161860551f82e594135e69919e5833fefc7355
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9AAAFA7B6D351744862573690047B423.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1-4

## ADs that name it (0)

None.

## Approved models (5)

- Univair Aircraft Corporation 415-C ([TCDS A-718](https://openairdocs.org/tcds/A-718))
- Univair Aircraft Corporation 415-CD ([TCDS A-718](https://openairdocs.org/tcds/A-718))
- Univair Aircraft Corporation 415-D ([TCDS A-787](https://openairdocs.org/tcds/A-787))
- Univair Aircraft Corporation E ([TCDS A-787](https://openairdocs.org/tcds/A-787))
- Univair Aircraft Corporation G ([TCDS A-787](https://openairdocs.org/tcds/A-787))

## 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.

Number SA1-4 This certificate issued to Skycraft Corporation, Inc.

29 King Avenue Medford, MA 02155

Part 3, 4a of the Civil Air Regulations.

Original Product -- Type Certificate Number: A-718, A-787 Make: Univair Aircraft Corporation (ERCO) 415-C, -CD, -D, -E, -G Model:

Recover outer wing panels with metal. Reference: Skycraft Design Drawing #5EA-10000-1, -2, -3, -4 approved by DER Wm. A.

Welsh, DER 1-59 dated August 9, 1955.

1. The Installer must determine whether this design change is compatible with previously approved modifications.

2. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission

Date of application: June 13, 1956

Date of issuance: June 28, 1956 Date reissued: January 14, 1983, August 15, 2007

( Signature) Anthony Socias Manager New York Aircraft Certification Office

( Title)

## Every issue (1)

- August 15, 2007: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/06/9e/069e7357d8be36f20d3bfaa4c4161860551f82e594135e69919e5833fefc7355)

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