What it approves
Installation of Hartzell HC-E2YL-2BSF/F7663D-4 or HC-E2YL-2BLSF/ FJ7663D-4 model propellers.
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
Supplemental type certificate · Knots 2U, Ltd
- Holder
- Knots 2U, Ltd · United States
- Status
- Current · Reissued
- Status date
- May 7, 1997
- Product
- Aircraft · Small Multi-Engine
- Certification basis
- Part 21
- Data sheet
- TCDSA1EA
From FAA DRS. DRS record last changed December 5, 2025.