STC Holder: STC Twenty One, Ltd.

The Aviation DataBase -- STC Selection System
Aviation DataSource, Inc.

No. of STCs: 11

STC Holder: STC Twenty One, Ltd. Address: The Waldorf Centre, 1290 London Road, Alvaston, Derby, DE24 8QP, United Kingdom		Contact us to have your company added here!
STC No.: ST03560NY	Status: Current	App Date: 08/03/2013	Rev Date: 10/06/2015
TC Nos.: A16WE,
Models: The Boeing Company: 737-300 Series, 737-400 Series, 737-500 Series, 737-600 Series, 737-700 Series, 737-800 Series
ACO: AIR-750: East Certification Branch NY
Activation of Controller-Pilot Data-Link Communications (CPDLC) capability on Spectralux "D-LINK" ACARS VDL Mode\n2 transceiver

STC Holder: STC Twenty One, Ltd. Address: The Waldorf Centre, 1290 London Road, Alvaston, Derby, DE24 8QP, United Kingdom		Contact us to have your company added here!
STC No.: ST03574NY	Status: Current	App Date: 04/22/2015	Rev Date: 10/21/2015
TC Nos.: A1NM,
Models: The Boeing Company: 767-200 Series, 767-300 Series
ACO: AIR-750: East Certification Branch NY
Installation of antenna provisions

STC Holder: STC Twenty One, Ltd. Address: The Waldorf Centre, 1290 London Road, Alvaston, Derby, DE24 8QP, United Kingdom		Contact us to have your company added here!
STC No.: ST03687NY	Status: Historical	App Date: 10/23/2013	Rev Date: 04/05/2016
TC Nos.: A52EU,
Models: Saab AB Saab Aeronautics: 340A (SAAB SF340A), SAAB 340B
ACO: New York ACO Branch, Tel: +1 (516) 228-7300
Installation of bulk cargo restraint system with transverse nets at discrete positions in the aircraft main cabin converted to class E cargo compartment

STC Holder: STC Twenty One, Ltd. Address: The Waldorf Centre, 1290 London Road, Alvaston, Derby, DE24 8QP, United Kingdom		Contact us to have your company added here!
STC No.: ST03688NY	Status: Historical	App Date: 10/23/2013	Rev Date: 04/05/2016
TC Nos.: A52EU,
Models: Saab AB Saab Aeronautics: 340A (SAAB SF340A), SAAB 340B
ACO: New York ACO Branch, Tel: +1 (516) 228-7300
Conversion of the main passenger cabin to a class E cargo compartment for the carriage of freight and change to the location of rapid decompression vents for planned future bulk cargo loading operations

STC Holder: STC Twenty One, Ltd. Address: The Waldorf Centre, 1290 London Road, Alvaston, Derby, DE24 8QP, United Kingdom		Contact us to have your company added here!
STC No.: ST03718NY	Status: Current	App Date: 04/06/2016	Rev Date: 06/28/2016
TC Nos.: T00003NY,
Models: Bombardier Inc.: BD-700-1A10
ACO: AIR-750: East Certification Branch NY
Introduction of upgraded IFE, Cabin lighting and universal outlets

STC Holder: STC Twenty One, Ltd. Address: The Waldorf Centre, 1290 London Road, Alvaston, Derby, DE24 8QP, United Kingdom		Contact us to have your company added here!
STC No.: ST03862NY	Status: Historical	App Date: 12/13/2016	Rev Date: 01/31/2017
TC Nos.: A20WE,
Models: The Boeing Company: 747-400 Series
ACO: New York ACO Branch, Tel: +1 (516) 228-7300
Installation of Gogo 2KU-Structural and Electrical Provisions

STC Holder: STC Twenty One, Ltd. Address: The Waldorf Centre, 1290 London Road, Alvaston, Derby, DE24 8QP, United Kingdom		Contact us to have your company added here!
STC No.: ST03880NY	Status: Current	App Date: 01/26/2015	Rev Date: 03/29/2017
TC Nos.: A16WE,
Models: The Boeing Company: 737-700 Series
ACO: AIR-750: East Certification Branch NY
Installation of Corporate VIP Interior

STC Holder: STC Twenty One, Ltd. Address: The Waldorf Centre, 1290 London Road, Alvaston, Derby, DE24 8QP, United Kingdom		Contact us to have your company added here!
STC No.: ST04037NY	Status: Historical	App Date: 12/21/2017	Rev Date: 01/17/2018
TC Nos.: A46NM,
Models: Airbus SAS: A330-343
ACO: New York ACO Branch, Tel: +1 (516) 228-7300
Installation of Gogo 2KU-Structural and Electrical Provisions

STC Holder: STC Twenty One, Ltd. Address: The Waldorf Centre, 1290 London Road, Alvaston, Derby, DE24 8QP, United Kingdom		Contact us to have your company added here!
STC No.: ST04232NY	Status: Historical	App Date: 07/18/2017	Rev Date: 12/13/2018
TC Nos.: A20WE,
Models: The Boeing Company: 747-400 Series
ACO: New York ACO Branch, Tel: +1 (516) 228-7300
Installation & activation of GOGO 2 Ku Band Antenna system

STC Holder: STC Twenty One, Ltd. Address: The Waldorf Centre, 1290 London Road, Alvaston, Derby, DE24 8QP, United Kingdom		Contact us to have your company added here!
STC No.: ST04241NY	Status: Current	App Date: 07/17/2014	Rev Date: 10/29/2018
TC Nos.: A2NM,
Models: The Boeing Company: 757-200 Series
ACO: AIR-750: East Certification Branch NY
Installation of a custom corporate interior

STC Holder: STC Twenty One, Ltd. Address: The Waldorf Centre, 1290 London Road, Alvaston, Derby, DE24 8QP, United Kingdom		Contact us to have your company added here!
STC No.: ST04277NY	Status: Current	App Date: 05/12/2017	Rev Date: 11/23/2018
TC Nos.: A2NM,
Models: The Boeing Company: 757-200 Series, 757-300 Series
ACO: AIR-750: East Certification Branch NY
Installation of Air Conditioning Filter