# STC SA00377DE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Straight Flight Inc, United States - Description: ONE-ONLY STC, S/N 745: Installation of an oversize convex observer window in the most aft standard cabin window position. - Applied: January 26, 1999 - Status date: June 21, 2012 - Product: Aircraft, Large Airplane - Certification basis: Part 3, Part 21 - Data sheets: [TCDS A21EU](https://openairdocs.org/tcds/A21EU) - Certificate PDF: https://openairdocs.org/files/sha256/ee/14/ee148a57d160d140c7f150060bdca69dc5b7c1b011c9c3dca70fd67c01840c8d - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D12D96BB5F3A715B86257A2A004D3DA7.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA00377DE ## ADs that name it (0) None. ## Approved models (1) - British Aerospace Regional Aircraft Jetstream Series 3101 ([TCDS A21EU](https://openairdocs.org/tcds/A21EU)) ## 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. 13251 E. Control Tower Rd, K-12 Englewood, CO 80112 Part 3 of the Civil Air Regulations. Original ProductType Certificate Number: A21EU Make: British Aerospace (Operations) Limited Model: Jetstream 3101 (Serial Number 745 Only) Description of the Type Design Change: Installation of an oversize convex observer window in the most aft starboard cabin window position in accordance with Rocky Mountain Straight Flight Drawing Number 539-1600, Revision B, February 8, 1999 or later FAA approved revisions. 1. Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in the Jetstream Model 3101 aircraft, Serial Number 745 only. 2. Compatibility of this design change with previously approved modifications must be determined by the installer. 3. This modification did not increase the noise level and was not considered an acoustical change as defined in paragraph 21.93(b) of the Federal Aviation Regulations. 4. A copy of this certificate, along with a copy of FAA Approved Airplane Flight Manual Supplement for the British Aerospace Jetstream Model 3101, Serial Number 745, dated May 7, 1999, or later FAA approved revisions is required and must be maintained as part of the permanent records for this aircraft. 5. Instructions for continued airworthiness are addressed per original aircraft manufacturer’s maintenance inspections. This certificate and the supporting data which is the basis for approval shall remain in effect until surrendered, suspended, revoked, or a termination date is otherwise established by the Administrator of the Federal Aviation Administration Date of application: January 26, 1999 Date of issuance: May 7, 1999 Date reissued: June 21, 2012 ( Signature) Satish Lall Northwest Mountain Regional Acting Manager Denver Aircraft Certification Office (Title) ## Every issue (2) - June 21, 2012: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ee/14/ee148a57d160d140c7f150060bdca69dc5b7c1b011c9c3dca70fd67c01840c8d) - May 7, 1999: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/6c/fb/6cfbd585e3d45451fc3de006558732ff51a5bfed3bd57e960074fe3ce5005d5c) --- 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.