# STC SA4272WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Serv-Aero Engineering Inc, United States
- Description: Installation of three-inch loader tube. (S2R RESTRICTED CATEGORY)
- Status date: November 26, 1980
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A4SW](https://openairdocs.org/tcds/A4SW)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F549B4BF27668D2A85256CC2000E3B11.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4272WE

## ADs that name it (0)

None.

## Approved models (1)

- Ayres Corporation S2R ([TCDS A4SW](https://openairdocs.org/tcds/A4SW))

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