# STC SA4967SW - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Hawker Beechcraft Services Inc. - Description: Installation Dual Litton LTN 72 inertial navigation systems. - Status date: May 14, 2007 - Data sheets: A12EA - Certificate PDF: https://openairdocs.org/files/sha256/ea/f1/eaf16058752929199a72c84eb88da39d63961ce5103d7dcf5f2a9456aaac7c07 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6D2DCF8E4BD4EEF3862572DE004A2957.0001 - Page: https://openairdocs.org/stc/SA4967SW ## ADs that name it None. ## Approved models (1) - Gulfstream Aerospace Corporation G-1159 (TCDS A12EA) ## 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. Part 4b of the Civil Air Regulations. Installation Dual Litton LTN 72 Inertial Navigation Systems in accordance with Drawing List CRC No. 1660C dated February 14, 1983, or later FAA approved revision. Prior incorporation of STC SA1553SW Dual Collins INS-61E, or equivalent ARINC-561 INS is required. FAA Approved Airplane Flight Manual Supplement dated April 13, 1983, is required. Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation made in Gulfstream American Model G-1159, Serial No. 143, only. The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission. Hawker Beechcraft Services, Inc. 8402 Nelms Houston, TX 77061 A12EA Make : Gulfstream American Model : G-1159 Date of application : November 11, 1982 Date of issuance : April 13, 1983 Date reissued : 5/24/89; 5/14/07 ( Signature) S. Frances Cox, Manager Special Certification Office, Southwest Region ( Title) FAA Form 8110-2-1(10-69) Page 2 of 2 ## Every issue (1) - May 14, 2007: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ea/f1/eaf16058752929199a72c84eb88da39d63961ce5103d7dcf5f2a9456aaac7c07) --- 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.