# STC SA00633LA

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: American Propeller Service, United States
- Description: Installation of an electric constant speed propeller MTV-18B/180-7 and control unit P-120-U.
- Status date: May 15, 1998
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9761DCBC360584FA85256CC1007E00A2.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA00633LA

## ADs that name it (0)

None.

## Approved models (2)

- The New Piper Aircraft Inc. PA-28-180 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-181 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))

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