# STC SA780GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Knots 2U, Ltd, United States
- Description: Installation of aileron and flap gap seals.
- Status date: May 7, 1997
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A0690C12488915B285256CC20056A4B6.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA780GL

## ADs that name it (0)

None.

## Approved models (5)

- The New Piper Aircraft Inc. PA-28-140 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-150 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-160 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-180 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-235 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))

---
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.