# STC SL163GL

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Wiederkehr Matt H, United States
- Description: Modification: Move the velcro 4 to6 inches back away from the lip of the deflation port. Enlarge deflation panel.
- Status date: November 17, 1980
- Product: Aircraft, Balloon
- Certification basis: Part 21
- Data sheets: [TCDS A15CE](https://openairdocs.org/tcds/A15CE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/35A1B3D1DEC2BAD285256CC2006223CA.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SL163GL

## ADs that name it (0)

None.

## Approved models (4)

- Aerostar International RX-6 ([TCDS A15CE](https://openairdocs.org/tcds/A15CE))
- Aerostar International S-40A ([TCDS A15CE](https://openairdocs.org/tcds/A15CE))
- Aerostar International S-50A ([TCDS A15CE](https://openairdocs.org/tcds/A15CE))
- Aerostar International S-55A ([TCDS A15CE](https://openairdocs.org/tcds/A15CE))

---
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.
