# STC SP1016EA

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: UNC Accessory Service, United States
- Description: Replacement of Dowty Rotol top and bottom roller bearing cages with SEMSA, Inc. P/Ns 601023258-S and601023257-S respectively in the above model propellers. (R.245/4-40-4.5/-/ (13)) (R.259/4-40-4.5/-/ (17)) (R.209/4-40-4.5/-/ (2))
- Status date: April 26, 1995
- Product: Propeller
- Certification basis: Part 21
- Data sheets: [TCDS P2EU](https://openairdocs.org/tcds/P2EU)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4D23412CFAAF0C7185256CCB006019C8.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SP1016EA

## ADs that name it (0)

None.

## Approved models (3)

- Dowty Rotol Ltd. R.209/4-40-4.5/ ([TCDS P2EU](https://openairdocs.org/tcds/P2EU))
- Dowty Rotol Ltd. R.245/4-40-4.5/ ([TCDS P2EU](https://openairdocs.org/tcds/P2EU))
- Dowty Rotol Ltd. R.259/4-40-4.5/ ([TCDS P2EU](https://openairdocs.org/tcds/P2EU))

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