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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