# STC SA1158GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Commander Aero, Inc, United States
- Description: Replace standard wing tip assembly with winglet tip assembly.
- Status date: September 13, 1999
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 6A1](https://openairdocs.org/tcds/6A1)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2B06E3E267F7403E85256CC10080DF10.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1158GL

## ADs that name it (0)

None.

## Approved models (5)

- Twin Commander Aircraft Corporation 500 ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft Corporation 500-A ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft Corporation 500-B ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft Corporation 500-S ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft Corporation 500-U ([TCDS 6A1](https://openairdocs.org/tcds/6A1))

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