What it approves
ADF system modification.
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 · Lockheed Aircraft Service Co
- Holder
- Lockheed Aircraft Service Co · United States
- Status
- Current · Reissued
- Status date
- March 20, 1974
- Product
- Aircraft · Large Multi-Engine
- Certification basis
- Part 21
From FAA DRS. DRS record last changed December 6, 2025.