From FAA DRS. DRS record last changed December 6, 2025.
What it approves
Installation of Bendix M-4D auto- matic flight control system in- cluding optional manual electric trim and optional flight director system in serial numbers 402B0301 and up, 4140351 and up, and421B0301 and up.
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.