The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. We do not provide access to STC engineering. For that you need to contact the STC holder directly. Our primary product is a comprehensive library of aviation regulations and standards, including tools for generating Airworthiness Directive compliance reports.

No. of STCs: 20

STC Holder: Rock Island Oil & Refining Co. Inc. 1128 Airport Road, Hutchinson, KS 67501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-534	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Sperry 615150 engine analyzer.
TC Nos.: L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C
ACO: AIR-760: Central Certification Branch WI

STC Holder: Rock Island Oil & Refining Co. Inc. 1128 Airport Road, Hutchinson, KS 67501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-536	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Deletion of carburetor air filter, closing of air filter door and installation of crankcase breather.
TC Nos.: L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C
ACO: AIR-760: Central Certification Branch WI

STC Holder: Rock Island Oil & Refining Co. Inc. 321 West Douglas, Wichita, KS 67202, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-538	Status: Current	App Date: 08/06/1965	Rev Date: 06/25/1965
Description: Install 95 gallon Outboard Wing Fuel Tanks in each wing.
TC Nos.: L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C
ACO: AIR-760: Central Certification Branch WI

STC Holder: Rock Island Oil & Refining Co. Inc. 1128 Airport Road, Hutchinson, KS 67501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-539	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Oil tank modification.
TC Nos.: L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C
ACO: AIR-760: Central Certification Branch WI

STC Holder: Rock Island Oil & Refining Co. Inc. 1128 Airport Road, Hutchinson, KS 67501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-541	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Oil cooler door position transmitter.
TC Nos.: L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C
ACO: AIR-760: Central Certification Branch WI

STC Holder: Rock Island Oil & Refining Co. Inc. 1128 Airport Road, Hutchinson, KS 67501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-542	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Cockpit and cabin oxygen system (Only applicable to aircraft previously modified per STC SA4-1227.)
TC Nos.: L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C
ACO: AIR-760: Central Certification Branch WI

STC Holder: Rock Island Oil & Refining Co. Inc. 1128 Airport Road, Hutchinson, KS 67501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-543	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Forward Janitrol S-50 heater and ventilation system. (Only appli- cable to aircraft modified per STC SA4-1227.)
TC Nos.: L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C
ACO: AIR-760: Central Certification Branch WI

STC Holder: Rock Island Oil & Refining Co. Inc. 1128 Airport Road, Hutchinson, KS 67501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-544	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Functional cockpit assemblies.
TC Nos.: L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C
ACO: AIR-760: Central Certification Branch WI

STC Holder: Rock Island Oil & Refining Co. Inc. 1128 Airport Road, Hutchinson, KS 67501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-545	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Grimes G8400A-8-24 rotating beacon (bottom fuselage).
TC Nos.: L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C
ACO: AIR-760: Central Certification Branch WI

STC Holder: Rock Island Oil & Refining Co. Inc. 1128 Airport Road, Hutchinson, KS 67501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-546	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Aft cockpit and cabin Janitrol S-50 heater and ventilating system.
TC Nos.: L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C
ACO: AIR-760: Central Certification Branch WI

STC Holder: Rock Island Oil & Refining Co. Inc. 1128 Airport Road, Hutchinson, KS 67501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-547	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Eclipse Pioneer 6300 fuel flow meter.
TC Nos.: L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C
ACO: AIR-760: Central Certification Branch WI

STC Holder: Rock Island Oil & Refining Co. Inc. 1128 Airport Road, Hutchinson, KS 67501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-548	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Rear deck seat mount for two passenger seats.
TC Nos.: L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C
ACO: AIR-760: Central Certification Branch WI

STC Holder: Rock Island Oil & Refining Co. Inc. 1128 Airport Road, Hutchinson, KS 67501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-549	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Navigation light modification.
TC Nos.: L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C
ACO: AIR-760: Central Certification Branch WI

STC Holder: Rock Island Oil & Refining Co. Inc. 1128 Airport Road, Hutchinson, KS 67501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-588	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Fenwal fire detection system.
TC Nos.: L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C
ACO: AIR-760: Central Certification Branch WI

STC Holder: Rock Island Oil & Refining Co. Inc. 1128 Airport Road, Hutchinson, KS 67501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-609	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Modification of canopy.
TC Nos.: L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C
ACO: AIR-760: Central Certification Branch WI

STC Holder: Rock Island Oil & Refining Co. Inc. 1128 Airport Road, Hutchinson, KS 67501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA316CE	Status: Historical	App Date:	Rev Date: 01/01/1960
Description: Airstair door and close bomb bay, nose compartment door latches, rear spar carry-through structure in cabin.
TC Nos.: L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C
ACO: Wichita ACO Branch, Tel: +1 (316) 946-4100

STC Holder: Rock Island Oil & Refining Co. Inc. 1128 Airport Road, Hutchinson, KS 67501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA316CE	Status: Current	App Date: 07/11/1966	Rev Date: 07/15/1966
Description: Airstair door and close bomb bay, nose compartment door latches, rear spar carry-through structure in cabin.
TC Nos.: L-3
Models: P. V. Shields TCSA-26B (Army), A-26C (Army)
ACO: AIR-760: Central Certification Branch WI

STC Holder: Rock Island Oil & Refining Co. Inc. 1128 Airport Road, Hutchinson, KS 67501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA316CE	Status: Historical	App Date:	Rev Date:
Description: Airstair door and close bomb bay, nose compartment door latches, rear spar carry-through structure in cabin.
TC Nos.: L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C
ACO: Wichita ACO Branch, Tel: +1 (316) 946-4100

STC Holder: Rock Island Oil & Refining Co. Inc. 321 West Douglas, Wichita, KS 67202, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1227	Status: Historical	App Date:	Rev Date:
Description: Fuselage modification.
TC Nos.: L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C
ACO: Wichita ACO Branch, Tel: +1 (316) 946-4100

STC Holder: Rock Island Oil & Refining Co. Inc. 321 West Douglas, Wichita, KS 67202, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1227	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Fuselage modification.
TC Nos.: L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C
ACO: AIR-760: Central Certification Branch WI