# STC SA02238AT - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Blue Aviation LLC, United States - Description: Replace existing Pratt & Whitney PT6A engines - Applied: November 9, 1999 - Status date: January 25, 2006 - Product: Aircraft, Small Multi-Engine - Certification basis: Part 3, Part 21 - Data sheets: [TCDS 3A20](https://openairdocs.org/tcds/3A20) - Certificate PDF: https://openairdocs.org/files/sha256/e8/ea/e8ea5a966a3472de4bbae03ed83040d68e97c285aade7e48a3a9cee4e2e92d9a - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F1A4F6DBF6156F98862571080054C3E4.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA02238AT ## ADs that name it (0) None. ## Approved models (5) - Raytheon Aircraft Company 65-A90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Raytheon Aircraft Company B90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Raytheon Aircraft Company C90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Raytheon Aircraft Company C90A ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Raytheon Aircraft Company E90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) ## 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(10-68) PAGE 1 of 2 PAGES Number SA02238AT This certificate issued to Blue Aviation, LLC 2282 Airport Road Selmer, TN 38375 Part 3 of the Civil Air Regulations. Original Product--Type Certificate Number : 3A20 Make : Raytheon (Beech) Model : 65 -A90, B90; C90, E90 ; C90A Description of Type Design Change: : Replace existing Pratt & Whitney PT6A engines per the following: For the C90, per Turbine Research and Development Corporation (T.R.A.D.) Installation Manual, Installation of Pratt & Whitney PT6A-34 Engines, Rev. 2, dated: November 7, 2000 and TRAD Corporation drawing number 200502, Rev. A, dated: 9/26/00 or PT6A-35 engines per Turbine Research and Development Corporation (T.R.A.D.) Installation Manual,, Rev. 1, dated October 20, 2005 or later FAA approved revision. For the 65-A90 and B90, per T.R.A.D. Installation Manual, Installation of Pratt & Whitney PT6A-34 Engines, Rev. 2 dated 10/19/01 or later FAA approved revisions. For the E90, per T.R.A.D. Installation Manual, Installation of Pratt & Whitney PT6A-34 Engines, Rev. 1, dated May 9, 2002 or later FAA approved revisions, or install PT6A-35 engines per TRAD Installation Manual , Rev. 1, dated 04/18/03 or FAA approved revision. For the C90A, per T.R.A.D. Installation Manual, Installation of Pratt & Whitney PTJA-35 Engines, Revision 1, dated 4/18/03 or later FAA approved revision. See “Limitations and Conditions” for applicable serial numbers. Limitations and Condition0s: (S ee continuation sheet) Date of application : November 09, 1999 Date of issuance : January 11, 2001 Date reissued : December 07, 2004; January 25, 2006 Date amended : November 02, 2005 ; November 15, 2005 ( Signature) Melvin D.Taylor Manager Atlanta Aircraft Certification Office (Title) FAA FORM 8110-2-1(10-69) PAGE 2 of 2 PAGES Number SA02238AT Date of Issuance: January 11, 2001 Date Amended: November 15, 2005 The Airplane Flight Manual Supplement (AFMS) is part of this STC: For 65-A90, B90 and C90 airplane models, install AFMS Rev. None, dated: 1/12/01 or later FAA approved revision, or the E90 model with PT6A-34 engines installed, install AFMS Rev None dated 6/19/02 or later FAA approved revision. For C90 airplane models with PT6A-35 engines, install AFMS No. 2005-2, Rev. None, dated November 15, 2005 or later FAA approved revision. For the E90 model with PT6A-35 engines installed, install AFMS 2004-2, Rev None dated 5/06/04 or later FAA approved revision. For the C90A model, (S/Ns LJ-1063 thru LJ-1137 and LJ-1146), install AFMS No. 2004-5, Rev None dated 9/14/04 or later FAA approved revision. For the C90A model (S/Ns LJ-1138 thru LJ-1145 and LJ-1147 and after, except aircraft (LJ which incorporate MOD Drawings MOD005147-1 and MOD005147-3 which provide lower weight limits). The affected Airplane Flight Manual, Raytheon P/N 90- 590024-23 through –69, install AFMS No. 2003-1, Rev 2 dated 12/19/03 or later FAA approved revision. Instructions for Continued Airworthiness (ICA) is part of this STC: For C90 airplane models with PT6A-35 engines, ICA Document 2005-4, Rev. None, dated November 15, 2005 or later FAA approved revision. For the C90A model, ICA Document 2003-3, dated 9/19/2003 or FAA approved revision. For the E90 model with PT6A-35 engines ICA Document 2004-3, dated 5/06/04 or FAA approved revision. “This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated, unless it is determine by the installer that the interrelationship between this change and any other previously approved modifications will produce no adverse effect upon the airworthiness of that airplane. 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." ## Every issue (4) - January 25, 2006: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e8/ea/e8ea5a966a3472de4bbae03ed83040d68e97c285aade7e48a3a9cee4e2e92d9a) - November 15, 2005: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/a2/61/a26157f2ab073a07b31b7ed183b131adc4fec32e565483d3f6d09931cd2548f0) - September 16, 2004: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/ca/df/cadf7abc4d79e98bbefc96bef3c358c447397f66d2e93d8e837f981c0a2d718d) - May 6, 2004: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/a2/70/a270f1a43e65aa2ba4acf05c0837bacdb7e07a796dcadafc7b6efbc3ecf9174a) --- 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.