ST04672CHAvionics
Installation of FreeFlight Systems RA-5500 Radio Altimeter system.
FAA holder: IFL Group Inc.
Aircraft STC directory
Kelowna Flightcraft R & D 440 STCs
The Jun 30, 2026 FAA DRS snapshot contains 37 selected supplemental type certificates with status Current whose public applicability data names the Kelowna Flightcraft R & D 440. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
37
listed Current at snapshot
13
holder directories
10
modification categories
May 21, 2025
latest recorded revision
Modification demand surface
Other aircraft modifications10
Avionics8
Aircraft structures4
Safety and emergency equipment3
Electrical systems3
Cargo and special mission2
Aircraft connectivity2
Cabin and interiors2
Propellers2
Engine and powerplant1
Recorded holders
Kelowna Flightcraft Ltd7IFL Group Inc.4Sabreliner Aviation LLC4ROBERT W. MURRAY3Signature Flight Support Corporation3Contact Aviation LLC2BF Goodrich Aerospace2Honeywell International Inc1Associated Air Center, Inc. - c/o CT Corporation System1Rezich and Rezich Aviation Consulting Inc.1Northern Airborne Technology Ltd1Quiet Wing Technologies, Inc.1DeVore Aviation Corporation of America, a New Mexico Corporation1
Recently revised 440 STCs
Showing the 37 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA3276SOAvionics
Installation of a dual TRA-67 mode S transponder system.
FAA holder: Honeywell International Inc
ST00870NYCargo and special mission
Installation of a Fruehauf Floor and Cargo Net.
FAA holder: Kelowna Flightcraft Ltd
SA195SWAircraft connectivity
Structural installation of Bendix ANA-12A-1 doppler antenna.
FAA holder: Associated Air Center, Inc. - c/o CT Corporation System
ST02632LAAvionics
Modification to replace the existing Mode S Transponder system with ACSS NXT-700 Mode S Transponder with ADS-B Out and optionally install ACSS NXG-900 GPS as a position source for ADS-B Out.
FAA holder: Aviation Communications and Surveillance Systems
ST04220CHAvionics
Installation of a FreeFlight 2101 I/O Approach Plus GPS Navigation System.
FAA holder: IFL Group Inc.
ST03410CHAvionics
Modification from a dual autopilot to a single autopilot configuration, by installing a configuration adapter in place of the existing FZ-450.
FAA holder: IFL Group Inc.
ST03006ATSafety and emergency equipment
Installation of the Honeywell MK VI Enhanced Ground Proximity Warning System (EGPWS) to a Kelowna Flightcraft (Convair) Model 340/440.
FAA holder: Contact Aviation LLC
ST03005ATOther aircraft modifications
Installation of the Collins Traffic Collision Avoidance System 4000 (TCAS II).
FAA holder: Contact Aviation LLC
ST03340NYAvionics
Installation of Dual CMA-5024 GPS/SBAS Landing System Sensor Units, Dual CMA-5025 SBAS Control Panels, and an Enhanced Airborne Data Loader Unit.
FAA holder: William J. Hughes FAA Technical Center
SA3-420Cabin and interiors
Main cabin seat installations(including divan and seat belts).
FAA holder: Sabreliner Aviation LLC
SA3-486Cabin and interiors
Interior cabin configuration - general floor plan (20 passenger configuration).
FAA holder: Sabreliner Aviation LLC
SA3-487Other aircraft modifications
Janitrol heater installation(100,000 BTU).
FAA holder: Sabreliner Aviation LLC
SA3-488Aircraft connectivity
Installation of radar nose, Bendix ANT-1B antenna and pitot modification (including Radome fabrication).
FAA holder: Sabreliner Aviation LLC
ST02839CHOther aircraft modifications
Reduction of payload to 7500 lbs. Installation of placard per Rezich & Rezich drawing RR002.
FAA holder: Rezich and Rezich Aviation Consulting Inc.
SA5002NMAvionics
Installation of provisions for side looking radar.
FAA holder: General Dynamics Advanced Information systems
ST01824NYOther aircraft modifications
Installation of Northern Airborne Technology Satphone.
FAA holder: Northern Airborne Technology Ltd
SA1992NMEngine and powerplant
Installation of a de-icing system on Rolls Royce RK45524A engine inlet cowl.
FAA holder: ROBERT W. MURRAY
SA2220NMOther aircraft modifications
This modification splits the nose fairing assembly P/N 906425-201, Rev. M P/N 9064135-1, Rev. A, and P/N 1914-1, Rev. C. (440 MILITARY C-131E MODIFIED IN ACCORDANCE WITH STC SA4-1100).
FAA holder: ROBERT W. MURRAY
SA3105NMPropellers
Installation of a de-icing system externally on the Dowty Rotol Part Number (C) 4CM/71 Propeller Spinner.
FAA holder: ROBERT W. MURRAY
ST01798LAAircraft structures
Installation of a flight deck door.
FAA holder: Quiet Wing Technologies, Inc.
SA125CEAircraft structures
Installation of Hoskins Supplemental Model B of F High Intensity Wing Tip Lights, Model C or 30-0329-3 Dual Tail Light, with or without Model 2 High Intensity Fuselage Lights.
FAA holder: BF Goodrich Aerospace
SA379CEElectrical systems
Installation of Hoskins Twilighter MK V High Intensity Aircraft Lighting System. This is a Supplemental Condenser Discharge (Strobe) Light System, consisting of five (5) Light Units and a Power Supply.
FAA holder: BF Goodrich Aerospace
ST03004NYAircraft structures
Installation of new MIL-C-5015 connectors at the wing to fuselage interface must be in accordance with Kelowna Flightcraft Ltd.Master Drawing List K116-00002 Revision NC, dated March 20, 2009 or later Transport Canada approved revision.
FAA holder: Kelowna Flightcraft Ltd
ST02737NYOther aircraft modifications
The installation of new annunciator hood.
FAA holder: Kelowna Flightcraft Ltd
SA6088NMAircraft structures
Conversion of the 6A6 Type Certified Aircraft into a Model CV 5800 by installation of Allison 501-D22G Engines per STC SA4-1100, Hamilton Standard Propellers per STC SA1825NM and lengthening the fuselage 14 ft. 3.0 inches with all design changes.
FAA holder: Kelowna Flightcraft Ltd.
ST02591CHAvionics
Installation of dual Honeywell TRA-45A TDU/Radio Altimeter Indicators.
FAA holder: IFL Group Inc.
ST02488NYOther aircraft modifications
The installation of Honeywell TCAS II System.
FAA holder: Kelowna Flightcraft Ltd
ST02489NYSafety and emergency equipment
The installation of Honeywell Mark VI Enhanced Ground Proximity Warning System.
FAA holder: Kelowna Flightcraft Ltd
ST03062ATSafety and emergency equipment
Installation of a single Sandel P/N ST3400-001 Terrain Awareness and Warning System with Remote Magnetic Indicator (TAWS/RMI) in accordance with DC Aerospace Report No. MDL-2524, Revision A, dated March 4, 2005 or later FAA approved revision.
FAA holder: Air Tahoma
SA7772SWOther aircraft modifications
Replacement of existing torquemeters.
FAA holder: AVMAR a Michigan Corporation
ST02782ATCargo and special mission
Modification of a cargo restraint system in accordance with DER Services Master Document List No. MDL-2003-228-1, dated December 1, 2003, or later FAA approved revision.
FAA holder: DER Services
SA2-286Other aircraft modifications
Installation of three-place divan.
FAA holder: Signature Flight Support Corporation
SA2-843Electrical systems
Installation of Jack and Heintz 30 volt 400 amp. generator.
FAA holder: Signature Flight Support Corporation
SA2SWElectrical systems
Auxiliary power battery (emergency D.C. power and emergency feathering system).
FAA holder: Signature Flight Support Corporation
SA2302WEOther aircraft modifications
Modification of pedestal flight idle stop and lift to reverse system.
FAA holder: DeVore Aviation Corporation of America, a New Mexico Corporation