The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. Our primary product is a comprehensive library of aviation regulations and standards, including tools for generating Airworthiness Directive compliance reports.

No. of STCs: 50

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00433AT	Status: Historical	App Date: 12/17/1993	Rev Date: 08/02/2007
Description: Installation of Pratt & Whitney model PT6A-42 engine, Hartzell model HC- B3TN-3G or HC-B3TN-3N with Hartzell T10178B-3R, T10178NB-3R,T10178K-3R, or T10178NK-3R propellers.
TC Nos.: A24CE
Models: Raytheon Aircraft Company200 (A100-1 (U-21J))
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Blackhawk Modifications Inc. 1800 East Sahara Drive, Suite 107, Las Vegas, NV 89104-3732, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00433AT	Status: Historical	App Date: 12/17/1993	Rev Date: 06/19/2006
Description: Installation of Pratt & Whitney model PT6A-42 engine, Hartzell model HC- B3TN-3G or HC-B3TN-3N with Hartzell T10178B-3R, T10178NB-3R,T10178K-3R, or T10178NK-3R propellers.
TC Nos.: A24CE
Models: Raytheon Aircraft Company200 (A100-1 (U-21J))
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00433AT	Status: Current	App Date: 12/17/1993	Rev Date: 08/22/2007
Description: Installation of Pratt & Whitney model PT6A-42 engine, Hartzell model HC- B3TN-3G or HC-B3TN-3N with Hartzell T10178B-3R, T10178NB-3R,T10178K-3R, or T10178NK-3R propellers.
TC Nos.: A24CE
Models: Hawker Beechcraft Corporation200, 200C, 200CT, 200T
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Blackhawk Modifications Inc. 1800 East Sahara Drive, Suite 107, Las Vegas, NV 89104-3732, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00555DE	Status: Historical	App Date: 09/05/2003	Rev Date: 06/07/2007
Description: Replacement of inboard main landing gear door with an aerodynamic fairing.
TC Nos.: A20SO, A8EA
Models: Piper Aircraft Inc.PA-31, PA-31P, PA-31T, PA-31T1, PA-31T2
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00863SE	Status: Current	App Date: 01/27/1999	Rev Date: 06/07/2007
Description: Installation of two Pratt and Whitney PT6A-135, or -135A engines and two Hartzell HC-B3TN-3B/T10178B-8R propellers or as an option, two Hartzell HC-E4N-3N/D8990SK propellers
TC Nos.: A8EA
Models: Piper Aircraft Inc.PA-31T, PA-31T1, PA-31T2
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Blackhawk Modifications Inc. 1800 East Sahara Drive, Suite 107, Las Vegas, NV 89104-3732, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00863SE	Status: Historical	App Date: 01/27/1999	Rev Date: 01/28/2002
Description: Installation of two Pratt and Whitney PT6A-135, or -135A engines and two Hartzell HC-B3TN-3B/T10178B-8R propellers or as an option, two Hartzell HC-E4N-3N/D8990SK propellers
TC Nos.: A8EA
Models: Piper Aircraft Inc.PA-31T, PA-31T1, PA-31T2
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Blackhawk Modifications Inc. 1800 East Sahara Drive, Suite 107, Las Vegas, NV 89104-3732, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01248SE	Status: Current	App Date: 07/08/2003	Rev Date: 06/07/2007
Description: Installation of two Hartzell HC-E4N-3N/D8990SB propellers.
TC Nos.: A8EA
Models: Piper Aircraft Inc.PA-31T, PA-31T1
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01946LA	Status: Current	App Date: 08/29/2005	Rev Date: 05/12/2016
Description: Installation of Blackhawk Ultra Electronics Engine Instrument.
TC Nos.: 3A20, A24CE, A31CE, A8EA
Models: Beechcraft Corporation200, 200C, 200CT, 200T, 300, A200 (C-12A), A200 (C-12C), A200C (UC-12B), A200CT (C-12D), A200CT (C-12F), A200CT (FWC-12D), A200CT (RC-12D), A200CT (RC-12G), A200CT (RC-12H), A200CT (RC-12K), A200CT (RC-12P), A200CT (RC-12Q), B200, B200C, B200CT, B200T, B300, B300C, C90, C90A, E90, F90, H90 Piper Aircraft Inc.PA-31T, PA-31T1, PA-31T2
ACO: AIR-770: West Certification Branch LA

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01946LA	Status: Historical	App Date: 08/29/2005	Rev Date: 10/08/2008
Description: Installation of Blackhawk Ultra Electronics Engine Instrument.
TC Nos.: 3A20
Models: Raytheon Aircraft CompanyC90, C90A, E90
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01946LA	Status: Historical	App Date: 08/29/2005	Rev Date: 03/02/2015
Description: Installation of Blackhawk Ultra Electronics Engine Instrument.
TC Nos.: 3A20, A24CE, A31CE, A8EA
Models: Beechcraft Corporation200, 200C, 200CT, 200T, 300, A200 (C-12A), A200 (C-12C), A200C (UC-12B), A200CT (C-12D), A200CT (C-12F), A200CT (FWC-12D), A200CT (RC-12D), A200CT (RC-12G), A200CT (RC-12H), A200CT (RC-12K), A200CT (RC-12P), A200CT (RC-12Q), B200, B200C, B200CT, B200T, B300, B300C, C90, C90A, E90, F90, H90 Piper Aircraft Inc.PA-31T, PA-31T1, PA-31T2
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01946LA	Status: Historical	App Date: 08/29/2005	Rev Date: 12/22/2006
Description: Installation of Blackhawk Ultra Electronics Engine Instrument.
TC Nos.: 3A20
Models: Raytheon Aircraft CompanyC90, C90A, E90
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02357LA	Status: Historical	App Date: 04/28/2009	Rev Date: 10/25/2012
Description: Replacement of the original Pratt and Whitney PT6A-114(A) engine and propeller with a Pratt and Whitney PT6A-42A and 4-blade Hartzell Propeller HC-E4N-3P/D9900(K) propeller and associated equipment
TC Nos.: A37CE
Models: Cessna Aircraft Company208B
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02357LA	Status: Historical	App Date: 04/28/2009	Rev Date: 04/16/2012
Description: Replacement of the original Pratt and Whitney PT6A-114(A) engine and propeller with a Pratt and Whitney PT6A-42A and 4-blade Hartzell Propeller HC-E4N-3P/D9900(K) propeller and associated equipment
TC Nos.: A37CE
Models: Cessna Aircraft Company208B
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02357LA	Status: Historical	App Date: 04/28/2009	Rev Date: 06/23/2011
Description: Replacement of the original Pratt and Whitney PT6A-114(A) engine and propeller with a Pratt and Whitney PT6A-42A and 4-blade Hartzell Propeller HC-E4N-3P/D9900(K) propeller and associated equipment in accordance with FAA Approved Master Drawing List 200803-000, Revision IR, dated June 8, 2011, or later FAA approved revisions and Pilot s Operating Handbook and FAA Approved Airplane Flight Manual Supplement, AFMS 200803, Rev IR, dated June 22, 2011 or later FAA approved revisions. Blackhawk Modifications Inc. Instructions for Continued Airworthiness document ICA 200803-30, Revision A, dated May 2011, or later revisions.
TC Nos.: A37CE
Models: Cessna Aircraft Company208B
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02357LA	Status: Current	App Date: 04/28/2009	Rev Date: 01/28/2015
Description: Replacement of the original Pratt and Whitney PT6A-114(A) engine and propeller with a Pratt and Whitney PT6A-42A and 4-blade Hartzell Propeller HC-E4N-3P/D9900(K) propeller or 3-blade Hartzell Propeller HC-B3TN-3AE(Y)/T10290N(K)+2, and associated equipment
TC Nos.: A37CE
Models: Cessna Aircraft Company208B
ACO: AIR-770: West Certification Branch LA

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02357LA	Status: Historical	App Date: 04/28/2009	Rev Date: 11/14/2013
Description: Replacement of the original Pratt and Whitney PT6A-114(A) engine and propeller with a Pratt and Whitney PT6A-42A and 4-blade Hartzell Propeller HC-E4N-3P/D9900(K) propeller or 3-blade Hartzell Propeller HC-B3TN-3AE(Y)/T10290N(K)+2, and associated equipment
TC Nos.: A37CE
Models: Cessna Aircraft Company208B
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02467LA	Status: Historical	App Date: 05/30/2012	Rev Date: 06/10/2013
Description: Replacement of the original Pratt and Whitney PT6A-114(A) engine and propeller with a Pratt and Whitney PT6A-42A and 4-blade Hartzell Propeller HC-E4N-3P/D9900(K) propeller and associated equipment
TC Nos.: A37CE
Models: Cessna Aircraft Company208
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02467LA	Status: Current	App Date: 05/30/2012	Rev Date: 11/14/2013
Description: Replacement of the original Pratt and Whitney PT6A-114(A) engine and propeller with a Pratt and Whitney PT6A-42A and 4-blade Hartzell Propeller HC-E4N-3P/D9900(K) propeller or 3-blade Hartzell Propeller HC-B3TN-3AE(Y)/T10290N(K)+2, and associated equipment.
TC Nos.: A37CE
Models: Cessna Aircraft Company208
ACO: AIR-770: West Certification Branch LA

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02523LA	Status: Current	App Date: 05/08/2012	Rev Date: 11/10/2014
Description: Replacement of the original Cessna Caravan 208 and 208B Starter/Generator with an AMETEK 325A Starter/Generator (MG94K-2) and associated equipment.
TC Nos.: A37CE
Models: Cessna Aircraft Company208, 208B
ACO: AIR-770: West Certification Branch LA

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02546LA	Status: Current	App Date: 06/30/2014	Rev Date: 10/15/2015
Description: Replacement of the original Pratt and Whitney PT6A-114(A) engine and propeller with a Pratt and Whitney PT6A-140 and 3-blade Hartzell Propeller HC-B3TN-3AF(Y)/T10890CN(K)-2, also Ametek MG94K-2 325 AMP Starter Generator, Howell Instruments powerplant indicating system, and associated equipment
TC Nos.: A37CE
Models: Textron Aviation Inc.208, 208B
ACO: AIR-770: West Certification Branch LA

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02658LA	Status: Historical	App Date: 10/03/2016	Rev Date: 08/17/2017
Description: Replacement of the original Pratt and Whitney PT6A-60A engines and propellers with Pratt and Whitney PT6A-67A engines and MT Propeller MTV-27-1-N-C-F-R(P)/CFR260-65b propellers
TC Nos.: A24CE
Models: Textron Aviation Inc.B300, B300C
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02658LA	Status: Historical	App Date: 10/03/2016	Rev Date: 07/11/2019
Description: Replacement of the original Pratt and Whitney PT6A-60A engines and propellers with Pratt and Whitney PT6A-67A engines and MT Propeller MTV-27-1-N-C-F-R(P)/CFR260-65b propellers
TC Nos.: A24CE
Models: Textron Aviation Inc.300, 300LW, B300, B300C
ACO: AIR-770: West Certification Branch LA

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02658LA	Status: Historical	App Date: 10/03/2016	Rev Date: 06/06/2018
Description: Replacement of the original Pratt and Whitney PT6A-60A engines and propellers with Pratt and Whitney PT6A-67A engines and MT Propeller MTV-27-1-N-C-F-R(P)/CFR260-65b propellers
TC Nos.: A24CE
Models: Textron Aviation Inc.B300, B300C
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02726LA	Status: Current	App Date: 09/30/2019	Rev Date: 06/19/2020
Description: Replacement of the original Pratt and Whitney PT6A-60A engines and propellers with Pratt and Whitney PT6A-67A engines and MT Propeller MTV-27-1-N-C-F-R(P)/CFR260-65b propellers, installation of Centex Aerospace extended range fuel tanks and Raisbeck Engineering landing gear doors
TC Nos.: A24CE
Models: Textron Aviation Inc.B300, B300C
ACO: AIR-770: West Certification Branch LA

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA04303CH	Status: Historical	App Date: 05/17/2017	Rev Date: 05/07/2018
Description: Installation of Lithium-ion main ship battery
TC Nos.: A24CE
Models: Textron Aviation Inc.300, 300LW, B300, B300C, B300C (MC-12W), B300C (UC-12W)
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA04303CH	Status: Current	App Date: 05/17/2017	Rev Date: 06/11/2020
Description: Installation of Lithium-ion main ship battery
TC Nos.: A24CE
Models: Textron Aviation Inc.300, 300LW, B300, B300C, B300C (MC-12W), B300C (UC-12W)
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA10210SC	Status: Current	App Date: 07/15/2003	Rev Date: 01/12/2012
Description: Installation of Pratt & Whitney Canada PT6A-135A engines and Hartzell HC-E4N-3N/D8990SK propellers with B. F. Goodrich electric de-ice boots.
TC Nos.: 3A20
Models: Hawker Beechcraft CorporationC90
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA10341SC	Status: Current	App Date: 08/06/2004	Rev Date: 01/30/2015
Description: Installation of Pratt & Whitney Canada PT6A-135A engines and/or Hartzell four bladed HC-D4N-3C/D9290(S,K) or HCE4N- 3N/D8990S(K) propellers
TC Nos.: 3A20
Models: Beechcraft CorporationC90, C90A, E90
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Blackhawk Modifications Inc. 1800 East Sahara Drive, Suite 107, Las Vegas, NV 89104-3732, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA10364SC	Status: Current	App Date: 11/24/2004	Rev Date: 11/24/2004
Description: Installation of Pratt & Whitney Canada PT6A-135A engines and McCauley 4HFR34C762/94LMA-4 or 4HFR34C768/94LMA-4 propellers in accordance with Blackhawk Modifications, Inc. Drawing No. 19005-01, Rev. IR, dated March 15, 2004, Installation Instructions, or later FAA approved revision. FAA approved AFMS Document No. 19005, Rev. IR, dated November 24, 2004, or later FAA approved revision is required.
TC Nos.: 3A20
Models: Raytheon Aircraft CompanyC90, C90A, E90
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA10560SC	Status: Historical	App Date: 12/07/2004	Rev Date: 02/26/2007
Description: Installation of Wing Mounted Auxiliary Fuel Transfer Tank
TC Nos.: 3A20
Models: Hawker Beechcraft Corporation65-90, 65-A90, B90, C90, C90A, C90GT, E90
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA10560SC	Status: Historical	App Date: 12/07/2004	Rev Date: 04/30/2009
Description: Installation of Wing Mounted Auxiliary Fuel Transfer Tank
TC Nos.: 3A20
Models: Hawker Beechcraft Corporation65-90, 65-A90, B90, C90, C90A, C90GT, C90GTi, E90
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA10560SC	Status: Current	App Date: 12/07/2004	Rev Date: 04/30/2009
Description: Installation of Wing Mounted Auxiliary Fuel Transfer Tank
TC Nos.: 3A20
Models: Hawker Beechcraft Corporation65-90, 65-A90, B90, C90, C90A, C90GT, C90GTi, E90
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Blackhawk Modifications Inc. 1800 East Sahara Drive, Suite 107, Las Vegas, NV 89104-3732, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA10567SC	Status: Current	App Date: 05/15/2006	Rev Date: 10/18/2006
Description: Installation of Pratt & Whitney PT6A-135A engines in place of PT6A-135 engines
TC Nos.: A31CE
Models: Raytheon Aircraft CompanyF90
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Blackhawk Modifications Inc. 1800 East Sahara Drive, Suite 107, Las Vegas, NV 89104-3732, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA10595SC	Status: Current	App Date: 08/16/2006	Rev Date: 12/05/2006
Description: Aircraft pressurization source conversion.
TC Nos.: 3A20
Models: Raytheon Aircraft Company65-A90, B90
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA10737SC	Status: Current	App Date: 09/11/2006	Rev Date: 09/21/2007
Description: Installation of Pratt & Whitney Canada PT6A-61Engines and Hartzell (Raisbeck) HC-D4N3A/D9383K-1 Propellers
TC Nos.: A24CE
Models: Hawker Beechcraft Corporation200, 200C, 200CT, 200T, B200, B200C, B200C (C-12F), B200C (C-12R), B200C (UC-12F), B200C (UC-12M), B200CT, B200T
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Blackhawk Modifications Inc. 30 Birkdale Place, Moraga, CA 94556, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA10816SC	Status: Current	App Date: 08/31/2007	Rev Date: 02/29/2016
Description: Electronic torque indication system upgrade
TC Nos.: A7CE
Models: Textron Aviation Inc.425
ACO: AIR-770: West Certification Branch LA

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA10816SC	Status: Historical	App Date: 08/31/2007	Rev Date: 02/28/2008
Description: Electronic torque indication system upgrade in accordance with Installation Drawing No. 200707-05, Revision IR, dated July 24, 2007, or later FAA approved revision. Required instructions for continued airworthiness are contained in document No. 200707-30, Revision IR, dated January 22, 2008, or later FAA approved revision. FAA approved Airplane Flight Manual Supplement 200707, Revision IR, dated February 28, 2008, or later FAA approved revision is required.
TC Nos.: A7CE
Models: Cessna Aircraft Company425
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA10824SC	Status: Current	App Date: 12/02/2007	Rev Date: 01/11/2013
Description: Installation of Pratt and Whitney Canada PT6A-52 Engines
TC Nos.: A24CE
Models: Hawker Beechcraft Corporation200, 200C, 200CT, 200T, A200 (C-12A), A200 (C-12C), A200C (UC-12B), A200CT (C-12D), A200CT (C-12F), A200CT (FWC-12D), A200CT (RC-12D), A200CT (RC-12G), A200CT (RC-12H), A200CT (RC-12K), A200CT (RC-12P), A200CT (RC-12Q), B200, B200C, B200CT, B200T
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA10824SC	Status: Historical	App Date: 12/02/2007	Rev Date: 03/31/2008
Description: Installation of Pratt & Whitney Canada PT6A-52 engines in accordance with Master Drawing List Dwg. No. 05210050, Revision IR dated November 15, 2007, or later FAA approved revision. Required Instructions for continued Airworthiness are contained in Document No. 200708-30. FAA approved Airplane Flight Manual Supplement 200708, revision IR, dated March 07, 2008, or later FAA approved revision required for Model 200, 200C, B200 and B200C airplanes. FAA approved Airplane Flight Manual Supplement 200708T, Revision IR, dated March 07, 2008, or later FAA approved revision required for Model 200T, 200CT, B200T, and B200CT airplanes. FAA approved Airplane Flight Manual Supplement 200708M, revision IR, dated March 07, 2008, or later FAA approved revision required for Model A200, A200C, A200CT, and B200C (C-12F or C-12R) airplanes.
TC Nos.: A24CE
Models: Hawker Beechcraft Corporation200, 200C, 200CT, 200T, A200 (C-12A), A200C (UC-12B), A200CT (C-12D), B200, B200C, B200CT, B200T
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Blackhawk Modifications Inc. 1800 East Sahara Drive, Suite 107, Las Vegas, NV 89104-3732, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2740SW	Status: Historical	App Date:	Rev Date: 11/13/2000
Description: Installation of P&W PT6A-135engines and bleed air conditioning and pressurization system.
TC Nos.: 3A20
Models: Raytheon Aircraft Company65-90, 65-A90, B90, C90
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Blackhawk Modifications Inc. 1800 East Sahara Drive, Suite 107, Las Vegas, NV 89104-3732, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2740SW	Status: Historical	App Date: 01/29/1976	Rev Date: 01/09/2003
Description: Installation of P&W PT6A-135engines and bleed air conditioning and pressurization system.
TC Nos.: 3A20
Models: Raytheon Aircraft Company65-90, 65-A90, B90, C90
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Blackhawk Modifications Inc. 1800 East Sahara Drive, Suite 107, Las Vegas, NV 89104-3732, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2740SW	Status: Current	App Date: 01/29/1976	Rev Date: 09/05/2003
Description: Installation of P&W Canada PT6A-135 engines and bleed air conditioning and pressurization system.
TC Nos.: 3A20
Models: Beechcraft Corporation65-90, 65-A90, B90, C90, C90A, E90
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Blackhawk Modifications Inc. 1800 East Sahara Drive, Suite 107, Las Vegas, NV 89104-3732, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4550SW	Status: Current	App Date: 06/11/1981	Rev Date: 12/06/2004
Description: Installation of Pratt & Whitney PT6A-27 or PT6A-28 engines.
TC Nos.: A14CE
Models: Raytheon Aircraft Company99
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4705SW	Status: Current	App Date: 03/24/1982	Rev Date: 01/06/2009
Description: Installation of Pratt & Whitney PT6A-27 or PT6A-28 engines.
TC Nos.: 3A20
Models: Beechcraft Corporation65-A90, B90, C90
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Blackhawk Modifications Inc. 1800 East Sahara Drive, Suite 107, Las Vegas, NV 89104-3732, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4705SW	Status: Historical	App Date: 03/24/1982	Rev Date: 12/06/2004
Description: Installation of Pratt & Whitney PT6A-27 or PT6A-28 engines.
TC Nos.: 3A20
Models: Raytheon Aircraft Company65-A90, C90
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Blackhawk Modifications Inc. 1800 East Sahara Drive, Suite 107, Las Vegas, NV 89104-3732, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5460SW	Status: Current	App Date: 05/29/1983	Rev Date: 12/06/2004
Description: Install Pratt & Whitney PT6A-21engines in place of PT6A-20A engines
TC Nos.: 3A20
Models: Raytheon Aircraft CompanyC90
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Blackhawk Modifications Inc. 1800 East Sahara Drive, Suite 107, Las Vegas, NV 89104-3732, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5786SW	Status: Current	App Date: 04/27/1984	Rev Date: 09/10/1999
Description: Installation of Pratt & Whitney of Canada PT6A-135, -135A engines and optional McCauley 4HFR34C762/94LMA-4 propellers.
TC Nos.: A7CE
Models: Cessna Aircraft Company425
ACO: AIR-770: West Certification Branch LA

STC Holder: Blackhawk Modifications Inc. 30 Birkdale Place, Moraga, CA 94556, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE02769LA	Status: Current	App Date: 01/27/2021	Rev Date: 06/30/2022
Description: Replacement of the original Pratt and Whitney PT6A-41 or -42 engines and propellers
TC Nos.: A24CE
Models: Textron Aviation Inc.B200, B200C
ACO: AIR-770: West Certification Branch LA

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02658LA	Status: Current	App Date: 10/03/2016	Rev Date: 07/11/2019
Description: Replacement of the original Pratt and Whitney PT6A-60A engines and propellers with Pratt and Whitney PT6A-67A engines and MT Propeller MTV-227-1-N-C-F-R(P)/CFR260-65b or Hartzell HC-E5A -3A/NC10245B propellers
TC Nos.: A24CE
Models: Textron Aviation Inc.300, 300LW, B300, B300C
ACO: AIR-770: West Certification Branch LA

STC Holder: Blackhawk Modifications Inc. 7601 Karl May Drive, Waco, TX 76708-5570, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST8563SC	Status: Current	App Date: 09/11/2006	Rev Date: 09/11/2006
Description: Installation of Pratt & Whitney Canada PT6A-61Engines and Hartzell (Raisbeck) HC-D4N3A/D9383K-1 Propellers
TC Nos.: A24CE
Models: Hawker Beechcraft Corporation200, 200C, 200CT, 200T, B200, B200C, B200CT, B200T
ACO: AIR-760: Central Certification Branch FTW