# STC SA1437GL - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Irwin International Inc - Description: Replace the float hull bottom skins on EDO Model 679-4930 or EDO model 58-4580 floats. - Status date: April 5, 2004 - Data sheets: A-806, A-806 - Certificate PDF: https://openairdocs.org/files/sha256/84/13/84133ab6b7c8530aa82bab499528eee543836b8762aff8b9e33f3e3ff9fcb2a1 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0CD9F069EE1A27D386256E78006658F9.0001 - Page: https://openairdocs.org/stc/SA1437GL ## ADs that name it None. ## Approved models (2) - de Havilland Inc. (Canada) DHC-2 (L-20A) MK.I (TCDS A-806) - de Havilland Inc. (Canada) DHC-2 (L-20A) MK.III (TCDS A-806) ## What the certificate says Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record. Number SA1437GL This certificate issued to Irwin International Inc. dba Aircraft Spruce & Specialty Co. 225 Airport Circle Corona, CA 92880-2527 Part 3 of the Civil Air Regulations. (See Aircraft Specification No. A-806 for complete certification basis) Original Product--Type Certificate Number : A-806 Make : DeHavilland Model : DHC-2 MK.I, DHC-2 MK.III Replace the float hull bottom skins on EDO Model 679-4930 or EDO Model 58-4580 floats in accordance with Wipaire, Inc. Drawing 9A3-722, No Revision, dated November 3, 1989, or later FAA approved revisions. 1. Compatibility of this design change with previously approved modifications must be determined by the installer. 2. 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 10, 1989 Date of issuance : December 12, 1989 Date reissued : April 5, 2004 ( Signature) Gregory J. Michalik, Senior Aerospace Engineer Airframe & Administrative Branch Chicago Aircraft Certification Office (Title) Original signed by: Gregory J. Michalik ## Every issue (1) - April 5, 2004: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/84/13/84133ab6b7c8530aa82bab499528eee543836b8762aff8b9e33f3e3ff9fcb2a1) --- From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.