What it approves
Installation of an engine electronic digital tachometer.
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 · Horizon Instruments Inc
- Holder
- Horizon Instruments Inc · United States
- Status
- Current · Reissued
- Status date
- January 14, 2002
- Product
- Aircraft · Single-Engine
- Certification basis
- Part 21
- Data sheet
- TCDSA-777
From FAA DRS. DRS record last changed December 6, 2025.