# STC SA1153SW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Knots 2U, Ltd, United States
- Description: Square wing tips with dual navigation lights.
- Status date: September 7, 1999
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A15](https://openairdocs.org/tcds/1A15), [TCDS A1EA](https://openairdocs.org/tcds/A1EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C5B1FF3BD4DF093385256CC10080DEFF.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1153SW

## ADs that name it (0)

None.

## Approved models (6)

- The New Piper Aircraft Inc. PA-24 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))
- The New Piper Aircraft Inc. PA-24-250 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))
- The New Piper Aircraft Inc. PA-24-260 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))
- The New Piper Aircraft Inc. PA-24-400 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))
- The New Piper Aircraft Inc. PA-30 ([TCDS A1EA](https://openairdocs.org/tcds/A1EA))
- The New Piper Aircraft Inc. PA-39 ([TCDS A1EA](https://openairdocs.org/tcds/A1EA))

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