What it approves
Installation of Continental IO-520-E derated engines and McCauley D3AF32C87/82NC-6 or -8 propellers. Modification to be accomplished in accordance with Colemill Enterprises, Inc. Drawing AC5800 Rev. A and AC5801 Rev A and Installation Instructions dated 7 July 1972 and revised 21 August 1972. Owner s Manual Supplement dated 21 August 1972 included in data.
What the certificate says
From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.
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ADs that name this STC · 1
An AD can apply because an STC is installed, or mention one in its text.