What it approves
Installation of a Universal Avionics UNS-1Msp navigation management system.
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 · Mayday Avionics Inc
- Holder
- Mayday Avionics Inc · United States
- Status
- Current · Issued
- Status date
- March 11, 1999
- Product
- Aircraft · Rotorcraft
- Certification basis
- Part 21
- Data sheet
- TCDSH1NE
From FAA DRS. DRS record last changed December 6, 2025.