# STC SA932NW - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Sierra Industries Ltd., United States - Description: Limited to Cessna Model 500 airplane S/N 0292, ASTEC S/N 20 only. Installation of the Global navigation system, GNS500A. - Applied: March 6, 1980 - Status date: July 31, 2017 - Product: Aircraft, Small Airplane - Certification basis: Part 21, Part 25 - Data sheets: [TCDS A22CE](https://openairdocs.org/tcds/A22CE) - Certificate PDF: https://openairdocs.org/files/sha256/4d/78/4d786bfbda15686c38d795e4d6c27793ac86532e097317c864bf2f6957bd8748 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/84CDBAB5D5B485018625871F00086BC8.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA932NW ## ADs that name it (0) None. ## Approved models (1) - Textron Aviation Inc. 500 ([TCDS A22CE](https://openairdocs.org/tcds/A22CE)) ## 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. FAA Form 8110-2 (5/14) Page 1 of 3 Reissued on July 31, 2017 to supersede the original STC, which has been lost or misplaced. Number: SA932NW Part 25 of the Federal Aviation Regulations. Original Product – Type Certificate Number: A22CE Make: Cessna Model: 500 Installation of the Global navigation system, GNS500A, in accordance with the data listed on the con tinuation sheet for this STC. ASTEC FAA approved flight manual supplement AS3 is required for this installation. This approval is limited to Cessna Model 500 airplane S/N 0292, ASTEC S/N 20 only. Date of Application: March 06, 1980 Date Reissued: 10/10/86; 9/8/05; 7/31/17 Date of Issuance: April 29, 1980 Date Amended: Signature Title Jim Grigg Manager, Fort Worth A CO Branch, Compliance & Airworthiness Division Sierra Industries, Ltd. 122 Howard Langford Drive Uvalde, TX 78801 FAA Form 8110-2 (5/14) Page 2 of 3 Transfer the ownership of Supplemental Type Certificate Number: SA932NW To (Name and address of transferee) From (Name and address of grantor) United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA932NW FAA Form 8110-2 (5/14) Page 3 of 3 Date of Issuance: April 29, 1980 Date of Reissuance: July 31, 2017 The approval of this change in type design applies to the above model S/N aircraft only. A copy of this certificate shall be maintained as part of the permanent records for the modified aircraft. Compatibility of this design change with previously approved modifications must be determined by the installer. If the holder agrees to permit another person to us e this certificate to alter the product, the holder shall give the other person written evidence of that permission. The Global navigation system, GNS-500A was installed in accordance with the following: a. Attachments to ASTEC letter ED-422 dated March 24, 1980: Attach. 1 of 1; Attach. 2, 1 of 6, 2 of 6, 3 of 6, 4 of 6, 5 of 6, 6 of 6; Attach. 3, 1 of 2, 2 of 2; Attach. 4, 1 of 2, 2 of 2; Attach. 5, 1 of 3, 2 of 3, 3 of 3; Attach. 6, 1 of 1 b. Attachments to ASTEC letter ED-424 dated March 26, 1980: Attach. 1, 1 of 1; Attach. 2, 1 of 1; Attach. 3, (1 of 7 and 2 of 7, if inspection finds it necessary), 3 of 7 for Unity 0292, 4 of 7, 5 of 7, 6 of 7, 7 of 7, 4.A c. Attachments to ASTEC letter ED-427 dated April 2, 1980: Attach. 2, 1 of 2, 2 of 2; Attach. 3, 1 of 1 d. Attachment 1, 1 of 4, to ASTEC letter ED-428 dated April 7, 1980. e. ED-428, Rev. A, dated April 23, 1980, changed the dead reckoning light to yellow and the way point alert light to white. -END- United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA932NW FAA Form 8110-2 (5/14) Page 4 of 3 ## Every issue (2) - July 31, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/4d/78/4d786bfbda15686c38d795e4d6c27793ac86532e097317c864bf2f6957bd8748) - September 8, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/eb/84/eb84d2e45657d05914f705c9298e9f6adc29909e30327873339155f11f09ff28) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.