Supplemental type certificate · Avitas Engineering
- Holder
- Avitas Engineering · United States
- Status
- Current · Reissued
- Status date
- June 5, 1992
- Product
- Aircraft · Large Multi-Engine
- Certification basis
- Part 21
From FAA DRS. DRS record last changed December 6, 2025.
What it approves
Installation of air data computer with altitude display, altitude reporting, and altitude alerting capabilities.
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 |
|---|
| McDonnell Douglas Corporation | DC-8-21 | 4A25 |
| McDonnell Douglas Corporation | DC-8-51 | 4A25 |