From FAA DRS. DRS record last changed December 6, 2025.
What it approves
Installation of AIM directional gyro, AIM attitude gyro, General Design direction indicator, P/N4305-8510-1L, or General Design attitude gyro P/N 4300-8520-1L.
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.