# STC SA427AL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Ronald E Sullivan, United States
- Description: Installation of fiberglass wing tips.
- Applied: March 9, 1971
- Status date: May 7, 1979
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A2](https://openairdocs.org/tcds/1A2)
- Certificate PDF: https://openairdocs.org/files/sha256/3f/13/3f13dfdc1df5a3e539051a623976e2d90cc6c0bcd9f8f901d2c6c71be58e3336
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7CB11B7B8CFA8E3385256CC2000E3B21.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA427AL

## ADs that name it (0)

None.

## Approved models (8)

- The New Piper Aircraft Inc. PA-18 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18"105" (Special) ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18-"125" (Army L-21A) ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18-"150" ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18A ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18A-"135" ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18A-"150" ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-19 Series ([TCDS 1A2](https://openairdocs.org/tcds/1A2))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- May 7, 1979: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3f/13/3f13dfdc1df5a3e539051a623976e2d90cc6c0bcd9f8f901d2c6c71be58e3336)

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