What it approves
Installation of model AA-5A engine mount, cowling and carburetor air box
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.
United States of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate Number SA991NW
This certificate, issued to Air Mods N.W.
1424 Ridge Ave Snohomish, WA 98290
Part 23 of the Federal Aviation Regulations, dated February 1, 1965, including amendments 23-1 through 23-2.
Original ProductType Certificate Number: A11EA Make: Gulfstream American (Grumman) Model: AA-1, AA-1A, AA-1B, AA-1C
Description of the Type Design Change: Installation of Model AA-5A engine mount, cowling, and carburetor air box in accordance with Kennis G. Blackman Installation Instructions Number KB1010.
NOTE: This installation is approved on the above models with the Sensenich 72CK -S12-0-57 propeller and Lycoming 0-235-L2C(M) (modified by STC SE792NW) and Lycoming 0-235-J2A as approved in STC SA641NW.
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 of this model series unless the installer determines that the relationship between this change and any other previously incorporated approved modifications 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 of 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: June 19, 1980 Date reissued: August 20, 2019 Date of issuance: July 17, 1980 Date amended:
FAA FORM 8110-2 (5/14) PAGE 1 OF 2 PAGES By direction of the Administrator
(Signature)
Manager, Seattle ACO Branch (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: 1987-763-28
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 4
Every issue · 2
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| August 20, 2019 | Reissued, current | Certificate |
| July 17, 1980 | Issued, earlier issue | Certificate |