# STC SA3-30

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Miller Flying Service, United States
- Description: Modified spray rail with four foot addition to wing span.
- Status date: January 1, 1960
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-769](https://openairdocs.org/tcds/A-769)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3FC9AF0EED1E49FC862570CA0079993C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3-30

## ADs that name it (0)

None.

## Approved models (1)

- Sky Enterprises Inc. RC-3 ([TCDS A-769](https://openairdocs.org/tcds/A-769))

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