# STC ST00381SE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Honeywell International Inc, United States - Description: Installation of enhanced ground proximity warning system - Applied: September 30, 1996 - Status date: December 21, 2021 - Product: Aircraft, Large Airplane - Certification basis: Part 21, Part 21, Part 21, Part 21, Part 21, Part 21, Part 21, Part 25, Part 121 - Data sheets: [TCDS A2NM](https://openairdocs.org/tcds/A2NM) - Certificate PDF: https://openairdocs.org/files/sha256/f2/4d/f24d57b1e86c525bb4b0ca789c23609d49735f439c5bb57422825c656019c1d4 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103058539720221206153124.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/ST00381SE ## ADs that name it (0) None. ## Approved models (1) - The Boeing Company 757-200 ([TCDS A2NM](https://openairdocs.org/tcds/A2NM)) ## 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 (11/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: ST00381SE Honeywell International Inc. 21111 N 19th Ave Phoenix, Arizona 85027 Part 25 the Federal Aviation Regulations A2NM Boeing 757-200 series Installation of the Enhanced Ground Proximity Warning System as defined in Master Drawing 960-2227-003, Revision V, dated December 5, 2000, or later FAA-approved revisions. Approval of this change in type design applies to the above model aircraft equipped with either a flight management system (FMS), which meets AC90-45A, or an EGPWS with a global positioning system (GPS) based navigation system or an EGPWS equipped with an internal GPS and a GPS antenna as defined in the above Master Drawing. U.S. registered aircraft that operate under FAR part 121 may not incorporate the Honeywell "alternate" glideslope cancel feature and any aircraft imported into the U.S with the intent to operate under FAR part 121 must remove this feature prior to operation. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of the aircraft. A copy of this Certificate and FAA Approved Airplane Flight Manual Supplement must be maintained as part of the permanent records for the modified aircraft. A system self-test shall be performed per the production ground test procedures as specified in the applicable Installation number of the above Master Drawing. The self-test intervals shall be performed at intervals not to exceed 4500 flight hours, or 18 months, whichever comes first. 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. September 30, 1996 December 21, 2021 November 5, 1996 5/30/1997; 9/6/2000; 1/18/2001 For Acting Manager, Seattle ACO Branch 2 FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: ST00381SE 2 ## Every issue (3) - December 21, 2021: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f2/4d/f24d57b1e86c525bb4b0ca789c23609d49735f439c5bb57422825c656019c1d4) - December 21, 2021: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/13/d3/13d3fa0de7bc9dc213fbd1b0aba02d459e53de3b9e028d35dd0b2a3ce0fadc55) - January 18, 2001: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/79/ec/79ec3e384220200b32503e3e20ea4786346a7963b0384a9de6d10286045b4915) --- 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.