What it approves
Conversion of existing Piper air conditioning system from R12 to R134a refrigerant.
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 · Steinbach & Associates, Inc.
From FAA DRS. DRS record last changed December 5, 2025.
Conversion of existing Piper air conditioning system from R12 to R134a refrigerant.
An AD can apply because an STC is installed, or mention one in its text.