# STC SA1241EA

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Patrick Aircraft Products Inc., United States
- Description: Installation of rear and forward folding stairs.
- Status date: November 15, 2001
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A26](https://openairdocs.org/tcds/4A26), [TCDS 4A28](https://openairdocs.org/tcds/4A28)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/81B1D59288CE781985256CC10080E09C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1241EA

## ADs that name it (0)

None.

## Approved models (5)

- The Boeing Company 707-300 ([TCDS 4A26](https://openairdocs.org/tcds/4A26))
- The Boeing Company 707-300B ([TCDS 4A26](https://openairdocs.org/tcds/4A26))
- The Boeing Company 707-300C ([TCDS 4A26](https://openairdocs.org/tcds/4A26))
- The Boeing Company 720 ([TCDS 4A28](https://openairdocs.org/tcds/4A28))
- The Boeing Company 720B ([TCDS 4A28](https://openairdocs.org/tcds/4A28))

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