# STC SA3277WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Walter Lane Tufts, United States
- Description: Installation of wood truss type wing ribs in place of original aluminum ribs.
- Status date: October 5, 1976
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS ATC 143](https://openairdocs.org/tcds/ATC%20143)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6B3242C3A63A789C85256CC2000A963B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3277WE

## ADs that name it (0)

None.

## Approved models (1)

- Curtiss-Wright Corporation Robin C-1 ([TCDS ATC 143](https://openairdocs.org/tcds/ATC%20143))

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