What it approves
Modification of bulkhead station 26, blkd sta 33, cabin floor from Sta 13-29 and addition of bouyant tank between Sta 29-31.
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.
Number SA108WE
This certificate, issued to Atlantic Coast Seaplanes LLC 3623 N. Elm Street, Suite 200 P. 0. Box 41027 Greensboro, NC 27455
Aeronautical Bulletin 7A..
Original Product⎯Type Certificate Number: 654 Make: Grumman Model: G-21 and G-21A
Description of the Type Design Change: Modification of bulkhead Station 26, Blkd. Sta. 33, cabin floor from Sta. 13- 29, and addition of buoyant tank between Sta. 29-31, in accordance with McKinnon Enterprises, Inc., “Master Drawing List #2, Modifications Bulkhead Station 26 Floatation Compartment Revisions.” This installation applicable to Standard Grumman G-21/G-21A aircraft and to G-21A aircraft which have been FAA approved for operation at a maximum gross weight of 9200 lbs.
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 these models on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any other 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: October 28, 1959 Date reissued: 06/06/84; 09/04/98; 05/05/00; 09/27/07 Date of issuance: April 30, 1962 Date amended: 03/07/08
(Signature)
Acting Manager, Seattle Aircraft Certification Office (Title)
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 2
Every issue · 2
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| March 7, 2008 | Amended, current | Certificate |
| September 27, 2007 | Reissued, earlier issue | Certificate |