What it approves
Aircraft pressurization source conversion.
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.
Part 3 of the Civil Air Regulations.
Description of Type Design Change: Aircraft pressurization source conversion in accordance with Master Drawing List 90-21-000, Revision IR, dated July 25, 2006, or later FAA approved revision. Required instructions for continued airworthiness are contained in document No. 19012-30, Revision IR, dated August 15, 2006, or later FAA approved revision. FAA approved Airplane Flight Manual Supplement AFMS 19012, Revision IR dated December 21, 2006, or later FAA approved revision is required. Eligible only on Model 65-A90 and B90 airplanes equipped with either Pratt and Whitney PT6A-21 or PT6A-28 engines.
Limitations and Conditions: The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.
Blackhawk Modifications Inc.
1800 E. Sahara Ave.
Las Vegas, NV 89104 3A20 Make : Beech Model : 65-A90; B90
Date of application : August 16, 2006
Date of issuance : December 05, 2006
( Signature) S. Frances Cox Manager, Special Certification Office Southwest Region
( Title)
ADs that name this STC · 0
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