# STC SA2728SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Veenen Erik van, United States
- Description: Installation of alternate McCauley models B2D37C224-B/G-90RA-4, B2D37C224-B/G-90RA-9, and B3D32C414-C/G-82NDA-2 propellers.
- Status date: April 5, 1990
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A23](https://openairdocs.org/tcds/3A23)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/107152700840FA4285256CC20008C81C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2728SO

## ADs that name it (0)

None.

## Approved models (4)

- Maule Aerospace Technology Inc. Bee Dee M-5-235C ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. Bee Dee M-6-235 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. Bee Dee M-7-235 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. Bee Dee MX-7-235 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))

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