# STC SA1121GL

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Butler Aviation-Pal-Waukee Inc, United States
- Description: Installation of Dorne and Margolin DMN 4-17() VOR/ILS antenna on vertical stabilizer.
- Status date: December 15, 1986
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A2WE](https://openairdocs.org/tcds/A2WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1A464D91AFE09FAA85256CC10080DE5C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1121GL

## ADs that name it (0)

None.

## Approved models (3)

- Sabreliner Corporation NA-265-40 ([TCDS A2WE](https://openairdocs.org/tcds/A2WE))
- Sabreliner Corporation NA-265-60 ([TCDS A2WE](https://openairdocs.org/tcds/A2WE))
- Sabreliner Corporation NA-265-65 ([TCDS A2WE](https://openairdocs.org/tcds/A2WE))

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