# STC SA3987WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Staggerwing Museum Foundation Inc., United States
- Description: Increase in takeoff gross weight to 9, 465 pounds and installation of wing spar reinforcement, modified tail wheel fork and truss assembly, metal covered control surfaces, and rectangular windows for installation on model AT-11, serial numbers 41-9486 and 6501.
- Applied: May 10, 1979
- Status date: September 3, 2004
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-2-582](https://openairdocs.org/tcds/A-2-582)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E625C321CE8E4C9A862570C8005BB364.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3987WE

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company Army AT-11 ([TCDS A-2-582](https://openairdocs.org/tcds/A-2-582))

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