# STC SA4099NM - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Sierra Industries Ltd., United States - Description: Installation of a replacement cabin door hinge assembly. - Applied: November 1, 1990 - Status date: July 31, 2017 - Product: Aircraft, Small Airplane - Certification basis: Part 21, Part 23 - Data sheets: [TCDS A27CE](https://openairdocs.org/tcds/A27CE) - Certificate PDF: https://openairdocs.org/files/sha256/1d/fe/1dfe1f30ba9648bee2e114cb93d9ac7b70332bf696fc97519dd21b818dc2ae4a - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D22BBCE670C396D6862587200055EADF.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA4099NM ## ADs that name it (0) None. ## Approved models (2) - Textron Aviation Inc. 501 ([TCDS A27CE](https://openairdocs.org/tcds/A27CE)) - Textron Aviation Inc. 551 ([TCDS A27CE](https://openairdocs.org/tcds/A27CE)) ## 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: SA4099NM Part 23 of the Federal Aviation Regulations. Original Product – Type Certificate Number: A27CE Make: Cessna Aircraft Company Model: 501/551 Installation of a replacement cabin door hinge assembly in accordance with Branson installation drawing 91D581, Revision NC, FAA approved November 29, 1990, or later FAA approved revision. Date of Application: November 01, 1990 Date Reissued: 12/24/97; 7/21/05; 7/31/17 Date of Issuance: December 06, 1990 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: SA4099NM 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: SA4099NM FAA Form 8110-2 (5/14) Page 3 of 3 Date of Issuance: December 06, 1990 Date of Reissuance: July 31, 2017 1. Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications , including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. 2. A copy of this Certificate, or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft. 3. 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. -END- United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA4099NM FAA Form 8110-2 (5/14) Page 4 of 3 ## Every issue (2) - July 31, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/1d/fe/1dfe1f30ba9648bee2e114cb93d9ac7b70332bf696fc97519dd21b818dc2ae4a) - July 21, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/1e/80/1e803c85941e79a7231e5e1edd150dcbd16bbfb523d33788b8ed6d2e2ca6bf51) --- 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.