# STC SA00726CH

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Knots 2U, Ltd, United States
- Description: Replace lower cabin door sill.
- Status date: August 5, 1997
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A1EA](https://openairdocs.org/tcds/A1EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2CA25789CFE9C1DD85256CC1007E00F8.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA00726CH

## ADs that name it (0)

None.

## Approved models (2)

- 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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