What it approves
Modification of crankshaft damper configuration.
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 · Johnston Aircraft Svc, Inc
From FAA DRS. DRS record last changed December 6, 2025.
Modification of crankshaft damper configuration.
An AD can apply because an STC is installed, or mention one in its text.