What it approves
Installation of front wing spar reinforcement assembly.
What the certificate saysOCR
This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.
United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA5740NM This certificate issued to: Aviadesign, Inc.
Suite 940, 300 Esplanade Drive Oxnard, CA 93030 Part 3 of the Civil Air Regulations.
Original Product -Type Certificate Number: 2A4 Make: Twin Commander Model: 685, 690, 690A, and 690B Description of Type Design Change: Installation of front wing spar reinforcement assembly in accordance with Aviadesign, Inc. Master Drawing List No. AD-AC-0192, Issue C, dated July 13, 1992, or later FAA approved revision.
Limitations and Conditions: . Approval of this change in type design applies to the above model aircraft only.
This approval should not be extended to other aircraft on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate must be maintained as part of the permanent records for the modified aircraft.
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.
Date of Application: January 14, 1992 Date Reissued:
Date of Issuance: July 16, 1992 Date Amended: Jenuary 6, 1999 AVIATION By direction of the oldi Ilman (Signature) COMINISTR Acting Manager, Seattle Aircraft Certification Office (Title)
ADs that name this STC · 4
An AD can apply because an STC is installed, or mention one in its text.