# STC ST456CH-D - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Honeywell International Inc, United States - Description: Installation of AlliedSignal Aerospace TFE731-3D-1H or TFE731-3DR-1H Turbofan Engine(s). - Applied: February 12, 1996 - Status date: November 26, 2007 - Product: Aircraft, Large Multi-Engine - Certification basis: Part 21, Part 25 - Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU) - Certificate PDF: https://openairdocs.org/files/sha256/62/66/6266883acf7341b0c28fd499a8faca2f8beed69ff5e3bff7fd0a39dbd5041614 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/30532E597580169186257447007A9719.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/ST456CH-D ## ADs that name it (0) None. ## Approved models (19) - Hawker Beechcraft Corporation BH.125 Series 400A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Hawker Beechcraft Corporation BH.125 Series 600A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Hawker Beechcraft Corporation DH.125 Series 1A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Hawker Beechcraft Corporation DH.125 Series 3A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Hawker Beechcraft Corporation DH.125 Series 3A/RA ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Hawker Beechcraft Corporation DH.125 Series 400A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Hawker Beechcraft Corporation HS.125 Series 1B ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Hawker Beechcraft Corporation HS.125 Series 3B ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Hawker Beechcraft Corporation HS.125 Series 3B/RA ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Hawker Beechcraft Corporation HS.125 Series 400A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Hawker Beechcraft Corporation HS.125 Series 400B ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Hawker Beechcraft Corporation HS.125 Series 400B/1 ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Hawker Beechcraft Corporation HS.125 Series 600A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Hawker Beechcraft Corporation HS.125 Series 600B ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Hawker Beechcraft Corporation HS.125 Series 600B/1 ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Hawker Beechcraft Corporation HS.125 Series 600B/2 ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Hawker Beechcraft Corporation HS.125 Series 600B/3 ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Hawker Beechcraft Corporation HS.125 Series 700A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Hawker Beechcraft Corporation HS.125 Series 700B ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) ## 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 25 of the Federal Aviation Regulations. See Type Certificate Data Sheet A3EU for complete certification basis. Installations of a Honeywell TFE731-3D-1H or TFE731-3DR-1H Turbofan Engine(s) in accordance with Landmark Aviation, Master Data List DL456, dated July 10, 2007, revision ( C ) or later FAA approved revision. 1) Compatibility of this design change with previously appr oved modifications must be determined by the installer. 2) FAA approved Airplane Flight Manual Supplement, Landmark Aviation document 1013496, Rev. ( A ), dated August 9, 2007, or later FAA approved revision is a required as part of this STC. 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. Honeywell International Inc. 111 South 34th Street Phoenix, AZ 85034 A3EU Make : Hawker Beechcraft Corporation Model : DH.125-1A, DH.125-3A, DH.125-3A/RA, BH.125-400A, DH.125-400A, HS.125-400A, BH.125-600A, HS.125-600A, HS.125- 700A, HS.125-1B, HS.125-3B, HS.125-3B/RA, HS.125-400B, HS.125-400B/1, HS.125-600B, HS.125-600B/1, HS.125-600B/2, HS.125-600B/3, HS.125-700B. Date of application : February 12, 1996 Date of issuance : July 28, 1996 Date reissued : May 13, 1998, July 30, 1998, February 20, 2003, January 11, 2007, November 1, 2007, November 26, 2007 Date amended : May 7, 1997, October 9, 1997, October 30, 2007 ( Signature) Charles L. Smalley Manager, Systems and Flight Test Branch Chicago Aircraft Certification Office ## Every issue (3) - November 26, 2007: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/62/66/6266883acf7341b0c28fd499a8faca2f8beed69ff5e3bff7fd0a39dbd5041614) - October 30, 2007: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/60/20/6020fdf29afef449c050d34484f18395b987e6677704acb405f2b18254ed6eff) - January 11, 2007: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/f1/31/f131133a91b5f838e07c2896c88e4297da70ab15b473b80fc6f88499bed2883a) --- 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.