What it approves
Installation of an environmental control system.
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.
This Certificate issued to AIRWELD, INCORPORATED 8167 Belvedere Avenue, Suite D Sacramento, California 95826
Part 4b of the Civil Air Regulations.
Original Product Type Certificate Number 4A25 Make : McDonnell Douglas Model : DC-8-71, DC-8-71F, DC-8-72, DC-8-72F, DC-8-73, and DC-8-73F Description of Type Design Change: Installation of an environmental control system in accordance with FAA approved AiResearch Aviation Company Drawing List Number 234000 4, Revision E, dated April 12, 1982, or later FAA approved revision.
The following CAMMACORP FAA approved Airplane Fli ght Manual Supplement is required for the listed models:
DC-8-71 and DC-8-71F MDC-J2468 dated April 21, 1982 DC-8-72 and DC-8-72F MDC-J2590 dated September 17, 1982 DC-8-73 and DC-8-73F MDC-J2543 dated June 23, 1982 Limitations and Conditions: This approval should not be incorporated in any aircraft of these specific models on which other approved modifications are incorporated, unl ess it is determined that the interrelationship between this change and any of those incorporated approved m odifications will not introduce any adverse effect upon the airworthiness of the 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 : March 3, 1980
Date of issuance : April 21, 1982
Date reissued : August 15, 1986; April 10, 1989; July 16, 1997; January 5, 2000; December 3, 2001;
April 28, 2008
Date amended : June 30, 1982; September 29, 1982
( Signature) Mansour Rafat Manager, Cabin Safety/Mechanical & Environmental Systems Branch Los Angeles Aircraft Certification Office ( Title)
Transfer the ownership of Supplemental Type Certificate Number
to (Name of transferee)
(Address of transferee) (Number and street)
(City, State, and ZIP Code)
from (Name of grantor) (Print or type)
(Address of grantor) (Number and street)
(City, State, and ZIP Code)
Signature of grantor (In ink):
U.S. GPO 1987-763-289
ADs that name this STC · 1
An AD can apply because an STC is installed, or mention one in its text.