Supplemental type certificate · UNC Accessory Service
- Holder
- UNC Accessory Service · United States
- Status
- Current · Reissued
- Status date
- April 26, 1995
- Product
- Propeller
- Certification basis
- Part 21
From FAA DRS. DRS record last changed December 6, 2025.
What it approves
Installation of Safeway de-icer overshoe P/N 5938 and Semsa lead P/N S2002. (R212/4-30-4/ 22) (R257/4-30-4/ 60)
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
No AD in this release names this STC Approved models · 2
| Make | Model | Data sheet |
|---|
| Dowty Rotol Ltd. | R212/4-30-4/ | P-899 |
| Dowty Rotol Ltd. | R257/4-30-4/ | P-899 |